close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3034419

код для вставки
May 15, 1962
A. FlNKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
j“
mam
M
“iAI
\\
OWM‘m..GwWQmER\\WmtDwmmmwbw
‘u/Ww
dt. q.>/
3wwW
W
m
\\\\@
\\
m
E
$/.,./
.QLF
/w\
/m\
u
m
M
.Qw
A,
W
,w/ %
U
5
May 15, 1962
A. FINKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Shee’cs—Sheet 2
IN vi/vra?s
A R NO F l N K E
SIEGFR/ED A’O57'ERL/7'ZKY
May 15, 1962
A. FINKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
mmBax“
14 Sheets-Sheet 3
May 15, 1962
A. FlNKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Sheets-Sheet 4
May 15, 1962
A. FlNKE ETAL.
.
3,034,409
METHOD'AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Sheets-Sheet 5
2/!
1476/7 F/a/a
,
-
I
E3‘ "1 1.
Z
-
INVENTOFj
“Wu;
298
ARA/O F/NKE
5/EGFR/ED KOSTERL/VKY
225
k
' @WQW
Afar/revs
May 15, 1962
A. FINKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
5/ MW
May 15, 1962
A. FlNKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG ‘HANDLES '
Filed May 14, 1959
'
l4 Sheets-Sheet 7
,445
lNl/EA/TOA’
ARNO F/NKE
lGFR/[ED KOSERL/TZKY
May 15, 1962
A. FlNKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Sheets-Sheet 8
/-76 29c
lNVf/VTOIRS
ARNO F/NKE
G/EGFR/ED KCBTERLITZKY
a] Wang/W
Af/ofnaxs
May 15, 1962
A. FlNKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Sheets-Sheet 9
F/G. 30av
INVE/Vi'O/FS
ARNO F/NKE
S/EGFR/ED KOSTERZJTZKY
May 15, 1962
A. FINKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
l4 Sheets-Sheet 10
a
30/
aqa 3? 394 ) 3,08
309
lNVi/VTO/RS
ARA/O F/.N KE
S/EGFR/ED KOSTERL/TZK Y
15)/ W' ,W
May 15, 1962
A. FINKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Sheets-Sheet l1
F76. 30c
ARNO F/NKE
S/EGFR/ED K057'ERL/7ZKY
May 15, 1962
3,034,409
A. FINKE ETAL
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
l4 Sheets-Sheet 12
awn/70495
/ ARNO F/NKE
'
S/EGFP/ED KQSTERL/TZKV
WW
May 15, 1962
3,034,409
A. FINKE ETAL
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
14 Sheets-Sheet 13
Filed May 14, 1959
u9knlQ
D‘ilru
\\
\
LE
\l
Ea‘J.RE-.
awn/r535
ARNO F/NKE
SIEGFR/ED xosrmurz/(r
By W
Afar/rays
May 15, 1962
A. FINKE ETAL
3,034,409
METHOD AND APPARATUS FOR PRODUCING AND APPLYING BAG HANDLES
Filed May 14, 1959
14 Sheets-Sheet 14
/ea
I69
ARNO FIN/(E
S/EGFR/ED KOSTERL/TZKY
United States Patent 0 "' 1C6
3,034,409
Patented May 15, 1962
2.
FIGURE 13 is a somewhat schematic side elevational
View of the machine of the invention shown in FIG
3,034,409
METHOD AND APPARATUS FOR PRODUCING
AND APPLYING BAG HANDLES
Arno Finke, Muhlenweg 5, and Siegfried Kosterlitzky,
Hohne 413, both of Lengerich, Germany
Filed May 14, 1959, Ser. No. 813,302
Claims priority, application Germany May 14, 1958
13 Claims. (Cl. 93-—8)
URE 12;
FIGURE 14 is a partial sectional view seen in the
direction of arrow A in FIGURE 13;
FIGURES 15a and 15b are partly overlapping side
elevational views of the handle strip conveying and
processing unit of another embodiment of the machine of
the invention;
FIGURE 16 is a sectional view taken along lines 16
The present invention relates to bags from paper and 10
16 in FIGURE 15a and shows the strip supplying unit
the like material. More in particular, the present in
with the feed roll;
vention relates to a new and useful method for pro
FIGURE 17 is a sectional view taken along lines
ducing and applying to bags handles, and an apparatus
17—-17 in FIGURE 15a and shows part of guide- and
for producing and applying to bags handles therefor.
It is known to provide handles for bags, particularly 15 deviating-means for the strip;
FIGURE 18 is a sectional view taken along lines
paper bags, which are U-shaped and have a grip por
18—18 in FIGURE 15a and shows part of guide- and
tion which is folded both downwardly and inwardly, with
deviating-means for the strip;
respect to the bag proper, by one single fold.
FIGURE 19 is a sectional view taken along lines
There are also known in the art machines for pro
19——19 in FIGURE 15a and shows part of glue-apply
ducing and applying handles of a less advantageous type
ing means;
than the one just referred to. These machines are, how
FIGURE 20 is a sectional view taken along lines
ever, not susceptible to producing and applying to the
20—20 in FIGURE 15a and shows a further part of the
bags handles which have a downwardly ‘and inwardly
folded grip portion.
'
Furthermore, the known machines are not susceptible
to producing and applying to bags handles having a dou
ble folded grip portion. It has been found, however,
that, advantageous as the above mentioned handle with
the single although downwardly and inwardly effected
glue-applying means;
FIGURE 21 is a partly sectional view taken along
lines 21-21 in FIGURE 15a, and shows the unit for
folding the side portions of the strip;
FIGURE 22 is a sectional view taken along lines
22-22 in FIGURE 15a, and shows the advancing means
fold may be as compared with other known handles, it 30 for the strip;
FIGURE 23 is a sectional view taken along lines
still is susceptible to further improvement, as far as its
23-23 in FIGURE 15b, and shows the cutting means;
stability and sturdiness and its capability of carrying great
FIGURE 24 is a sectional view taken along lines
loads as well as its adjustability to the size of the carry
24-44 in FIGURE 15b, and shows segment-shaped ac
ing person’s hand are concerned.
celerating advancing means;
In addition, the known machines are unsatisfactory in
FIGURE 25 is a sectional view taken along lines
that their operating speed is comparatively low.
25-25 in FIGURE 15b, and shows guide means for
It is an object of the present invention to provide a
the upper belt of a belt conveyor system;
method and an apparatus for producing and applying to
FIGURE 26 is a sectional view taken along lines
bags handles having a grip portion which is folded down
26—26 in FIGURE 15!), and shows guide means for
wardly and inwardly with respect to the bag proper.
the lower belt of the belt conveyor system;
It is another object of the present invention to pro
FIGURE 27 is a sectional view taken along lines 27
vide a method and an apparatus for producing and ap
27
in FIGURE 15b, and shows actuating means for a
plying to bags handles which are sturdier and capable
strip arresting member;
_
of carrying a greater load and more adjustable to the
FIGURE 28 is a sectional view taken along lines 28--,
size of the carrying person’s hand than known handles. 45
28 in FIGURE 15b, and shows strip guiding means;
It is further an object of the present invention to pro
FIGURES 29a, 29b, 290, are partly overlapping sec
vide a method and an apparatus for producing and ap
tional views taken along lines 29—29 in FIGURE 31,;
FIGURE 29a showing the bag applying unit, FIGURE
50 29b showing the handle applying unit, and FIGURE 29c
to the bag proper.
showing the bag depositing unit;
It is still another object of the present invention to
FIGURES 30a, 30b and 300, are partly overlapping
provide a method and an apparatus for producing and
plying to bags handles having a grip portion which is
double folded downwardly and inwardly, with respect
applying to bags handles which operate faster and more
side views of the machine as shown in FIGURE 31 by,
accurately than known apparatus.
arrow C, FIGURE 30a showing the bag depositing unit,
the present invention, according to which the strip of
entire machine, and more particularly, the preferred em-,
These objects as well as further objects and advan 55 FIGURE 30b showing the handle applying unit, and
FIGURE 30c showing the bag applying unit;
,
tages which will become apparent as the description pro
FIGURE 31 is a largely schematic top view of the
ceeds are achieved by the method and the apparatus of
material from which the handle is to be produced, is
?rst double folded in its grip portion, whereupon the 60
end portions are folded so as to form an angle with the
grip portion contrary to the direction in which the strip
bodiment illustrated in FIGURES 15 through 30c;
‘
FIGURE 32 is a somewhat schematic side elevational
view of another embodiment of the machine of the inven
tion, and shows the upper portion of the handle forming
unit;
is conveyed; the strips are then turned over and applied
FIGURE 33 is a somewhat schematic top view of the
with the side that is now the upper side to the bags.
unit
shown in FIGURE 32;
The invention will be better understood upon the fol 65
FIGURE 34 is a somewhat schematic side view of part
lowing detailed description of the accompanying draw
of the embodiment shown in FIGURES 32 and 33;
ings, wherein,
FIGURE 35 is a front view of the part of the unit
FIGURES 1 through 11 are schematic views illustrat
ing, in reference, the various steps comprised by the
70
method of the present invention;
FIGURE 12 is a somewhat schematic, elevational view
of a basic embodiment of the machine of the invention;
shown in FIGURE 34.
.
The method of the invention is as follows:
,
A strip of paper or the like material is pulled off a‘
feed roll. Preferably crepe paper is used for producing.
2,034,409
3
at
the bag handle. The strip of material has twice the width
of the width of the handle produced therefrom or its
portions to be glued to the bag. .If crepe paper is used,
it will be found of advantage to smooth the surface of
the paper at the locations which are to be attached by
The strip of material is stored on a feed roll 24; There
is provided a pair of advancing rolls 21, 22, driven by
a motor (not shown) at a predetermined, constant speed.
Between the advancing rolls 21, 22 and the feed roll 24,
the machine has a pair of smoothening rolls 25, 26,
gluing, as at 3. Thereafter, glue is applied to the side
whereof roll 25 has a segment-shaped cross-section, and
portions of the paper strip as at 4 and 5, and these por
a glue applying unit with the glue vessel 27, the roll 28,
tions are then folded inwardly towards the middle of
partly projecting into the glue vessel, and thereabove
the strip, thereby obtaining a strip of material 6, having
the roll 29. A longitudinal folding ?ap 30 and a'further
twice the thickness and half the width of the original 10 pair of rolls 3]., 32, are disposed between the glue apply
paper strip. The strip 6 is then provided with grooves
ing unit 27, 23, 29, and the advancing rolls 21, 22. The
7 through 10, that is angular grooves 7 and 8 upon the
roll 31 has two projections 31a, 31b, whereas the counter
visible side of the side strips now folded over the center
roll 32 has two corresponding recesses 32a, 32b, adapted
of the strip and a short transverse groove 9 and 10 reaoh- '
to receive the projections 31a, 31b, in the course of rota
ing from the top of the angular grooves 7 and 8 in the
tion of ‘the two drums.
strip center towards the edge of the strip on the invisible
On the opposite side of the advancing rolls 21, 22, the
side of the strip. These grooves are provided for the
. machine has the cutting unit with rotating body 33 bear
corner foldings which will be referred to presently.
ing the cutting blade 34 which acts together with the sta
The strip of material 6 is then cut into a plurality of
tionary blade 34a and, thereafter, a further pair of con
individual portions 11, each having the required length 20 veying
rolls 35, 36, and a third pair of conveying rolls
for further producing ‘the bag handle.
37, 33. The roll 37 has a segment-shaped and somewhat
The strip which heretofore had travelled in the direc
larger cross-section than the other conveying rolls. The
tion of arrow 1a is now moved in the directions of arrows
rolls 37, 38, have a greater circumferential speed than the
1b, its motion thus being changed by an angle of 90 de
?rst and second pair of conveying rolls.
,
grees.
Next,
there
are
provided
four
pairs
of
conveying
rolls
Thereafter the strips are double-folded in their grip
39, 40; 411, 42; 43, 44; and 45, 46, all having the same
portions 14, as. shown in FIGURE 3. They are then
circumferential speed as the pair 37, 38. The upper
turned by an angle of 90 degrees about their longitudinal
rolls can be lifted from the lower rolls of the four pairs
axis and contrary to the directions of arrows 1b, as shown
conveying rolls by the side bars 39a, 41a, 43a, 45a.
in FIGURE 4, whereupon the respective end portions 15 30 of
Next to the four pairs of rolls, a reciprocahle bar 47 is
and 16 are folded hackwardly and the corner foldings 17
adapted for arresting the movement of the strip of mate
and 18 are effected, thus obtaining a U-shaped con?gura
rial (23).
tion (see FIGURES 5 and 6). Thereafter, the handles
are again turned by 90 degrees as shown in FIGURE 7,
The Handle Strip Transfer‘ Mechanism of the Basic
and then again by 90 degrees as shown in FIGURE 8,
Embodiment
so that the under-side is now turned upwardly. The end
. portions are then provided with a layer of glue as at =19
The machine further has a transfer unit comprising a
displaceable lever 51 bearing three needles 48, 49, 50 (see
and 20 for attaching the handles to the bags. There
FIGURE 13). The reciprocating lever 51 is fulcrumed
after, the handles can be attached to the bags which is
as
at 55 on a reciprocating lever 56 which, inturn, is
preferably done by again turning the handle by a total 40
mounted on the shaft of a curved disc 52. The lever 51
of 180 degrees as illustrated in FIGURES 9 and 10 and
is hingedly connected to a lever 54 also fulcrumed as
bringing the handles and the bags together and then press
at 55 and bearing at its opposite end a feeling roll 53
ring the glued portions 19 and 20 upon the bag (see FIG
scanning
the curved disc 52.
'
URE Ill).
The Basic Embodiment of the Machine
The Handle Forming and Applying Mechanism of the
Basic Embodiment
Next to the three needles, there is disposed a cylinder
58 rotating in the direction of arrow 63 hearing at its
periphery opposite to each other the grippers 59 and 60,
rial, and for cutting it into portions of the requisite
lengths, folding means, corner folding means, means for 50 and adjacent thereto, the folding clamps 61 and 62, re
spectively. Close to the cylinder 58 there is mounted
turning and applying the handle to the bag, and transfer
the folding knife 64 rotating in the circle 64a in the di
means between the latter and the strip-preparing-‘and
rection of arrow 64b. The folding knife 64 cooperates
cutting means.
with the folding clamps 61, 62 in a manner described fur
The apparatus is adapted for simultaneously producing
ther below. Adjacent to cylinder 58 there are further
two handles for each bag to be applied to either side of
provided pressure rolls 67 and 68, and the oblique bars
the bag. Consequently, the apparatus is provided with
65, 66, as well as the tongues 69 and 70. Guide blades
two means for forming the handles and applying the
71, 72, are positioned adjacent to the portion of cylin
same to the bag which are symmetrically disposed with
der 53 opposite to the folding knife 64. Next thereto
respect to the bag-conveying means, the latter being, for
and also adjacent to cylinder 58, a cylinder 73 rotates in
example, arranged horizontally in between the upper and
an opposite sense with respect to cylinder 58 and bears
the lower handle-forming and applying means, each apply
grippers 74. The cylinder 73 also has a plurality of suc
ing simultaneously a handle on the upper and the lower
tion nozzles 75. Further glue-applying means next to
sides 'of the bags, respectively.
According to a basic embodiment of the apparatus for
practising the method of the invention there are provided
means for preparing the strip of paper or the like mate
The upper and the lower handlefocrming and applying
means are substantially alike and, consequently, it suffices
to describe only one of these symmetrically disposed, sub
stantially identical means.
The Handle Strip Producing Mechanism of the Basic
Embodiment
'
The basic embodiment of the machine of the inven
tion comprises the following units and elements, always
in duplicate so as to produce two handles simultaneous
cylinder 73 comprise the rolls 79, 78, 77, the latter partly
projecting into a glue vessel 76 and with the roll 79 be
ing positioned adjacent to cylinder 73.
The Bag Conveying Mechanism 0]‘ the Basic Embodiment
The machine also has bag conveying means with an
70 upper pair of conveyor belts 32 running on rolls 90, 91,
and tightened by pressure rolls 92, 93, and a lower pair
of conveyor belts 83 running on rolls 94, 95, and tight
ened by pressure rolls 96, 97, 98. The belts pass between
ly, but of which only one is described for the sake of
the cylinders 73 and 80. At one end of this conveyor
conciseness.
75 system there is another conveyor system for passing the
3,034,409
n
D
bags to the aforementioned conveyor belts, and
ing the conveyor belt 84 running on rolls 84a,
bearing a plurality of transverse push bars 85
at predetermined distances from each other.
compris
84b, and
arranged
Between
the conveyor belts 82, 83, on the one hand, and the con
veyor belt 84, on the other hand, there are disposed op
on a driving shaft 169, and the cylinder 58 has two cor
responding diagonal grooves 172 and 173 into which the
grooving tools 167 and 168 are adapted to reach.
Furthermore, this embodiment has ?xed plates 174, 175,
close to the portion of cylinder '58 having the grooves
172, 173. These plates have enlarged end portions 176,
1757, respectively. Between the plates there are provided
posite to each other two advancing rolls 86 and 87, the
interior
guide plates 178 and 179 (see FIGURES 34 and
roll 86 having a segment-shaped cross-section. These two
35 of the drawings).
rolls revolve at substantially the same circumferential
In addition, the cylinder 58 has suction nozzles 181
speed as the rolls 90, 91, and 94, 95, for the conveyor
and 182 in its wall, and associated ‘with a resilient plate
belts 82 and 83, respectively, whereas the circumferen
180 for pressing the strip of material against the suction
tial speed of the rolls 84a and 84b for the conveyor belt
nozzles.
84 is somewhat slower.
At the opposite end of the conveyor belts 82, 83, there
Operation of the Basic Embodiment of the Machine
is arranged a rack 81 for receiving the bags conveyed 15
The strip of material, for example and preferably, a
by the belts 82, 83.
strip of crepe paper 23, is pulled off a ‘feed roll 24 by
The East Containing Handle Embodiment of the Machine
means of the pair of rolls 21, 22. The strip of crepe
According to another embodiment of the present in
paper passes between the smoothening rolls 25, 26 the
vention shown in FIGURES 32 and 33, the apparatus
roll 25 being in the shape of a segment, thereby smoothen
comprises means for preparing the strip, means for cut
ing only predetermined sections, as 3. From there the
ting the strips so as to obtain strip portions of the required
strip passes between the rolls 28 and 29 of the glue apply
length for a handle, handle forming means, and means
ing unit and glue is applied to the side portions of the
for applying the handle to the bags, conveying means for
paper strip as at 4 and 5. Then the strip is drawn through
conveying the bags, and transfer means for transferring
the longitudinal folding flap device 30, where the sides
the strips from the strip-preparing-and-cutting-means to
of the strip which have the glue ‘4 and 5 applied thereto
are folded inwardly towards the middle of the strip,
the hand1e-forrning-and-applying-means.
'
thereby obtaining a strip of material 6, having twice the
The Handle Strip Producing Mechanism of the Bast
thickness and half the width of the original paper strip.
Containing Handle Embodimelnt
30 The thus formed strip is then ‘guided underneath the
The machine has a I011 123 on which there is stored a
creasing roll 31 with the projections 31a and 31b and over
strip of material for producing the bag handle, e.g. paper,
the roll 32, having corresponding recesses 32a and 32b.
and a second feed roll 125 on which there is coiled a
Thereby the strip is provided with the angular grooves
supply of hast, also used for producing the bag handle
7 and 8 upon its upper ‘side and the short transverse
top
as explained further below. Two guide rods 126 and 35 grooves 9 and 10 on its under side, reaching from the
12.7 are associated with the feed roll 123; and are equipped
of the angular grooves in the strip center towards
with lateral guide rings 128, 129 (see FIGURE 33).
edge of the doubled strip. From the creasing unit
Between the rods 126, 127, there is disposed an ad
strip passes between the pull and forwarding rolls
the
the
21,
vancing roll 130.
22, which advance the strip through the cutting unit 33,
The glue applying means of the machine comprise 40 34, 34a towards the conveying rolls 35, 36. Each time
the glue vessel 134, and, partly projecting into the glue
the revolving knife 34 of the knifeholder 33 reaches the
vessel, a central glue-applying disc 135 and before as well
lower stationary knife 34a (as shown in FIGURE 12).
as behind the same, glue-applying discs 137 and 138,
The transfer means comprising the three needles 48,
respectively, the latter having partly interrupted portions
as at 136. A counter roll 131 revolves oppositely with
respect to the sense of rotation of the glue-applying discs
135, 137, 138.
A guide rod 140 provided with adjustable lateral guide
rings 141 and 142 is associated with the bast feed roll
125 and disposed between the latter and the counter roll
131 of the glue-applying means for the strip of material,
e.g. the paper strip 122.
Next to the glue-applying means the machine is
equipped with cutting means 143 composed of the ?xed
knife 144 mounted on the stationary body 144a, and,
arranged thereabove, two rotating ‘knives 146 and 147 on
the rotary body 145. As shown in FIGURE 33 of the
drawings, the rotating knives 146 and 147 each have a
recess portion 148 disposed in the central edge portion
49 and 50 mounted on displaceable lever ‘51 (see FIG
URE 13) now pierce the strip of material momentarily
at rest.
The reciprocating movement ‘of the lever 51
for introducing the needles into the strip of material and
reducing the same therefrom is effected about the fulcrum
55, and is controlled -by a curved disc 52 via the feeling
roll 53 and the further lever 54. The fulcrum 55 is dis
posed on a third lever 56 which latter performs a re
ciprocating movement in the direction of the double
headed arrow 57, via a further lever not shown.
By
the reciprocating movement of the needles the strip of
material is transferred to the cylinder 58. Here it is
grasped by grippers 59 and 69, respectively. The center
of the strip is now disposed over the folding clamps 61
and 62, respectively. The cylinder rotates in the direc
tion of the arrow ‘63 and the folding clamps rotate there
of the knife blades.
with until they meet with the folding knife 64, rotating
Next to the cutting unit 143, the machine has another 60 in the direction of arrow 64b in the circle 64a, the knife
guide rod 151 provided with two lateral, adjustable guide
rings 152, 153. Thereafter, the folding device 154 is
thus rotating in the opposite direction with respect to
folding clamps 61, ‘62.
As soon as one of the folding
provided, with the shoe 155 having the same width as
clamps encounters the ‘folding knife 64 the grip portion
the bast strip, the rotating segment discs 156, 157, dis
14 of the strips between the grooves 7, 9, and 8, 10
posed at either side of the shoe 155, a ?rst folding bar 65 (FIGURE 1) is double-folded as illustrated in FIGURE
168 and a second folding bar 161.
3.
The Handle Strip Transfer, Forming and Applying
leased the strip.
The portions 15 and 16 (see FIGURE 14) laterally
In the meantime, the grippers 59 and 60 have re
Mechanism of the East Containing Handle Embodiment
project from the cylinder 58 and are folded by the ob
The remaining elements of the machine are identical 70 lique bars 65 and 66 about the corner folds 17 and ‘18.
to those of the basic embodiment of the apparatus of
the invention, as described further above.
The corner portions which come to rest upon one an
other are ?rmly pressed against each other by the pres
However, instead of the folding knife 64, this embodi
sure
rolls 67 and 68. The exact positioning of the folds
ment of the apparatus according to the invention is
equipped with two grooving tools 167 and 168 mounted 75 is guaranteed by tongues 69 and 76 which come to rest
spaaaoe
.
8
7
against the transverse grooves 9 and 10 (FIGURE 1) of
the strip of material illustrated by the dash-dotted lines
in FIGURE 14.
The guide blades 71 and 72 receive the end pieces 15,
which are partly interrupted as at 136. After having ap
plied the glue portions the paper strip ‘11212 is united with
the strip of bast »1-24. 'For this purpose, the strip of bast
is guided over the guide rod .149 provided with the ad
justable lateral guide rings 141 and 142. Due to these
guide rings, the strip of bast is united with the paper strip
as at 139 exactly in the central portion of the latter
16 of the handles and bring the same into the necessary
position when the strip is transferred from the cylinder
58 to the cylinder 73.
The central portion 14 of the
handle is gripped by the grippers 74 and the end portions
15, 16 are ?rmly held against the cylinder by the suction
nozzles 75.
After having rotated with the ?rst cylinder 58 and
having been transferred to the second cylinder 73, the
handle has been turned due to this transfer to the cylinder
bearing the central longitudinal uninterrupted strip of
glue.
10.
The united web, composed of the paper strip and the
bast strip is then advanced to the cutting means 143
comprising the ?xed knife 144 and the two rotating
knives 146 and 147, mounted on the rotary body 145.
73 rotating oppositely to the rotation of cylinder 58. The
The rotating knives 146 and 147 have a central recess
lower side of the handle is now accessible and can thus be 15 portion 148, as shown in \FIGURE 33, so that the paper
glued to the bag with its glued end portion, while having
strip is cut at the two sides of the bast strip as at 149 and
. an inwardly folded grip portion. If the handle would
150 only. The same effect can be achieved by providing
' not be transferred in this manner from the cylinder 58 to
the cylinder 73, the grip portion of the handle would be
outwardly folded with respect to the ?nished bag.
The accessible side of the end pieces 15 and 16 of the
handle is now advanced to the glue-applying means 76,
77, 78, 79. It is thereby provided with the glued portions
the ?xed knife with a recess portion.
The rotating knives 1146 and 147 are irregularly spaced
on the circumference of the rotary body 1145 in such a
manner, that the cuts are alternatingly spaced with the
longer and the shorter distances, respectively, from each
other on the paper strip. The rotary body 145 is so posi
19 and 20, as shown irr-ETGURE 8. Thereafter, it con
tioned with respect to the glue-applying discs 137 and 138
tinues to rotate with cylinder 73 down to the lowermost 25 that the cuts are produced at the beginning and at the
end of the latter where the handle encounters the bags.
end of the interrupted lateral longitudinal glue strips 132
The bags pass between the cylinder 73, supplying the
and 133. The glue-applying discs perform one revolu~
upper handle and the cylinder 80 supplying the under
The bags move with the same speed as the
tion during each full rotation of the knives; however,
their circumferential speed is greater than the speed of
handles and are advanced in the predetermined intervals,
the knives as well as the speed of the web, due to the
so that the two handles are applied at the proper moment
?rmly attached to the bag, the gripper 74 releases the
greater diameter of the glue-applying discs. For that
reason the glue is well pressed against the paper.
The web which has now been provided with the lateral
same and the suction of the suction jets 75 is discon
cuts 149 and 150 is then guided over a rod 151 with
handle.
in the proper position. As soon as the handles have been
tinned, thereby allowing the bags with the handle to pass 03 Ur adjustable lateral guide rings 152 and 153 and is then
on to the rack 81 where the bags are stored.
advanced to the device 154 which folds the lateral glued
The bags are advanced and kept in the requisite posi
portions '132 and 133 of the paper strip and attaches
tion bythe upper pair and the lower pair of conveyor
the same to the bast strip. For that purpose, the web
belts 82 and 83, respectively, FIGURE 13 showing only
is guided underneath the shoe 155 having the same width
one of each pair. The two belts of each pair come into 40 as the bast strip and advanced to rotating segment discs
contact with the bags at either side of the portion where
156 and 157 disposed at either side of the shoe 155,
the handles are to be attached. The bags are supplied
to'the conveyor belts at the proper predetermined inter
'so cooperating with the latter as to Vertically fold up
wardly the lateral portions 158‘ and 159 of the Web
vals by conveyor belt 84, having bars ‘85 taking along the
which are provided with the glued strips 132 and 133
bags. The conveyor system moves at a somewhat slower
and which are separated from the remaining portion of
speed than the transport belts 82 and 83. The two ad
the web by the cuts 149 and 150. Thereupon the lateral
vancing rolls 87 and 86,.roll'86 having a segment-shaped
portion of the strip v158 is folded down upon the bast strip
cross section, grasp the bags supplied by the conveyor sys
by means of the ?rst folding bar 160. Thereupon, the
tem 84 and 85, bring them up to the higher speed of the
lateral portion 159 is folded on top of the lateral portion
transport belts ‘82, >83, and feed the bags to the latter. 50 158 by means of the second folding bar 161, as shown
Due to the accelerated speed of the rolls 86, 87, the bags
at the extreme left end of FIGURE 33. The lengths of
are safely taken over from the bars 85 before the same
are moved to the lower side of the conveyor system 84.
The bags are then passed between the cylinders 73, 80,
each of which applies a handle to the bag whereupon the
?nished bags are passed onto the rack 81.
the segments 156 and 157 are so chosen that only the
lateral portions provided with glue are folded, whereas
the non-glued portions remain unfolded.
Thereafter, the strip which had thus been prepared is
advanced by analogous means as shown with respect
to the embodiment of FIGURES 12 through 14, and is
Operation of the East Containing Handle Embodiment
cut so as to obtain individual portions of the required
of the ll/Iachine
lengths for one handle. The individual portions are cut
The strip of material, for example the paper strip 122, 60 by the transverse cut in the middle of the'non-folded
is pulled 011 the feed roll i123. Simultaneously therewith,
strip portion 160a and along the dash-dotted lines 161
a strip of bast 124 is pulled off the feed roll v‘125. The
162a. Thus, the strip portions are provided with a por
paper strip is guided over the rods 126 and 127, between
tion to be glued at either side, that is portions 163 and
the adjustable lateral guide rings 1&8 and 129, as shown
164, as shown in ‘FIGURE 35, whereas the portion in
in FIGURE 33. From the rod 126 to the rod 127 the
between, that is the portion 165, is folded around the bast
strip and glued therewith.
strip is advanced over, the roll 130 and then to the glue
applying means, comprising the glue vessel 1-34 and the
The separated strips, each having the required length
disks 135, 137, 138 and counter roll 1311. 'In these glue
for a handle, are then advanced to a plate 166 as shown
applying means the strip receives an uninterrupted cen
in FIGURE 34 where they are conveyed to the cylinder
tral longitudinal strip of glue and two lateral interrupted
58 by means of needles 48 and 50, as described with
longitudinal side strips of glue 132 and 133. These glue
respect to the basic embodiment, supra, and schematically
portions are applied by guiding the paper strip over the
illustrated again in FIGURE 34. The needles are in
counter roll 131. Within the glue vessel 134 there rotate
serted into the non-folded portions 163 and 164. After
a central’ glue-applying disc 135 and before as well as
having reached the cylinder 58 the strips are grasped by
behind the same the glue-applying discs 137 and 7133 75 grippers 59 and 60, respectively.
a
3,034,409
9
The grooves in the strip are produced by the two groov
113
as shown with respect to the deviating roll v196 in FIG
ing tools 167 and 168, cooperating with corresponding
URE 18.
grooves 170 and 171 within the cylinder 58 instead of
the folding knife of the basic embodiment described fur
ther above. Thus, two diagonal grooves 172 and 173
within the strip are produced, which grooves are inclined
with respect to the longitudinal axis of the strips by
an angle of 4-5 degrees.
Thereafter, the strips are further carried on by the
The glue-applying means of the machine comprise the
glue-applying counter roller 29, the glue-applying discs 28
and the glue vessel 27, which will next be described in
detail.
The glue-applying counter roller 29 is equipped with
between the ?anges of the plates 174 and ‘175 and the
two interior guide plates 178 and 179. (Compare also
the dash-dotted lines in FIGURE 35.)
The strips are then pressed against the suction nozzles
lever 283. By actuating hand lever 205 the lever 203
means for lifting the same, shown in detail in FIG
URE 19. The roller is mounted on a bolt 280, positioned
cylinder 58, and the portions of the strip situated outside 10 on ball bearings 201, 282 in a hollow lever 203. The lever
283 is tiltably positioned upon a bolt 284 which has been
the diagonal grooves 172, 173, are pulled over ?xed
screwed into the machine frame. A hand lever 205 is
plates 174 and 175, and are thereby folded upwardly
rotatably positioned upon a bolt 2% attached to the
about the diagonal grooves. The end portions 163 and
machine frame. A cam disc 207 is positioned on the
164 are then pulled over the enlarged portions 176 and
177 of the plates 174 and 175, and are thereby brought 15 hub of hand lever 205. A flat iron 288 is screwed into
181, 182, respectively, provided in the cylinder 58, by
means of the plate 180, whereupon the strips are con
can be lifted or lowered and, hence, the roller 29 is
also lifted or lowered accordingly. Furthermore, pro
vision is made for a knurl ring 209 in the ?at iron 288,
20 ‘whose lowermost tip comes to rest upon the cam 207.
Thus, the resting position of lever 293 and, hence, the
glue-applying counter roller 29 can be adjusted by turn
ing the knurl screw 209.
The strips are then processed in a manner and by
The roll 29 is resiliently pulled in downward direction
means described with respect to the basic embodiment fur
by
a spring (not shown) attached to the spring bolt 210
25
ther above.
screwed into the lever 283.
The Preferred Embodiment of the Machine
The roll 29 is driven by a gear 211, which gear is
mounted ‘on the bolt 208 and meshes with another gear
According to another, preferred embodiment of the
mounted upon bolt 215. This latter gear and bolt 215‘
apparatus of the invention, the groove applying elements
31, 32 as well as the members 25‘, 26 for producing a 30 form part of the other elements of the glue-applying
unit which will next be described.
smooth surface portion on the strips of material, can be
The glue-applying discs 28 are mounted on a bolt
dispensed with. Furthermore, the advancing rolls 35, 36,
veyed to the turning and gluing cylinder 73.
215 positioned below the roll 29. A ?ange bearing 212
is screwed against the machine frame and the bolt 215
presently. The preferred embodiment is further char 35 is rotatably positioned on ball bearings 2113, 214 in
?ange bearing 212. A gear 216 is mounted on bolt 215,
acterized by certain changes of the folding elements 65
the central pin 49 and the pairs .of rolls 41, 42 and 43,
44 are replaced by a pair of belts, as will be explained
through 70, and in that the folding cylinder is equipped
whereas a gear 238 is mounted upon the shaft of the
advancing roll 22. The two gears are connected via
with air suction means, and in that provision is made
inter-mediate
gears 31!), 311, and the gear 238 thus drives
for automatic means for applying the bags to be equipped
40 the gear 216 and, hence, the bolt 215 bearing the glue
with the handles.
applying discs 28. These discs partly project into the
This preferred embodiment of the machine according
interior
of the glue vessel 27 and rotate therein. The glue
to the invention will now be described in detail by re
vessel 27 is hingedly mounted on two levers 217, 218,
ferring ?rst to FIGURES 15a, 15b through 28 of the
which are rotatably positioned on fixed bolts 219, 220.
drawings.
Consequently, the glue vessel can be displaced about bolts
The Handle Strip Producing Mechanism of the
Preferred Embodiment
45 219, 220 so as to be removed from the glue-applying
discs 28.
Close to the glue vessel 27 there is disposed a stop
member 221, against which the vessel comes to rest
on the feed roll 24, which latter is mounted upon a
bushing 186 by means of the discs 183, 184, and an ad 50 in its working position. On either side of the glue-apply
ing discs there are provided bars ‘222 and 223 to keep the
justing ring 1185 positioned upon the disc 184. A knurl
side surfaces of the glue-discs free from glue. These
screw 187 is revolvably positioned in a cover 188 which
lateral bars 222 and 223 are mounted on a bolt 226,
is screwed upon the bushing 186. The knurl screw is
the latter being screwed into the frame 225, by means
thus prevented from lateral displacement while being
capable of rotary motion. The knurl screw 187 is screwed 55 of a knurl ring 224 and can thus be easily removed. Fur
thermore, the bolt 226 supports a third bar 227 extend
into a stationary bolt 189, which is disposed in another
ing transversely in regard to the glue-applying discs and
bushing 194), the latter being, in turn, mounted within
above the respective peripheries of the same, as illus
the bushing 186. By means of the screw ring 187 the
trated in FIGURE 20. The bar 227 has longitudinal
bushing 186 can thus be displaced in axial direction
slots 228.
along the stationary bolt .189.
60
Next to theroll 29, the machine has a guide roll 230
A braking belt 191 is attached with one end to a
having lateral guide margins 231 (see FIGURE 21), and
?xed bolt 192a screwed into the machine frame. The
positioned in a like manner as the deviating rolls 196,
braking belt is partly coiled about the feed roll 24 and
197, 1918, i.e. it is rotatably positioned on bail bear
connected with its other end to a weight 192 so as to be
tensioned and exercise a braking effect upon the feed 65 ings on a bolt attached to the machine frame. After
the guide roll 23% there is provided a shoe 30 having
roll 24.
the same width as the handle. The shoe 30 is screwed
Next to the feed roll the machine comprises a guide
against the machine frame, as shown in FIGURES 15a
bolt 193 beming lateral, adjustable guide rings 194 and
and 21. Furthermore, a guide bolt 232 is also screwed
195 for guiding the strip of material. After the bolt
The strip of material 23, for example paper, is stored
193, there are provided deviating guide rolls 196, v197, 70 to the machine frame.
The shoe 30 and the guide bolt effect a folding of the
198, and, thereafter, a bolt 199 also having lateral, ad
justable guide rings just as the guide bolt 193, for guid
paper strip as described further below.
ing the strip of materal between them. Each of the de
The machine further comprises the advancing means
viating guide rolls 196, 197, 198 consists of a bushing
21, 22, shown in detail in FIGURE 22, whose construc
1960 which is rotatably mounted on a bolt 196i; screwed
tion is generally known in the art and therefore need not
into the machine frame by means of ball bearings 196a, 75
r
3,034,409
1i
12
be described in detail. Su?ice it to say that the upper
advancing roll 21 is positioned in a lever 233, which, in
portion 272 is slid over a recess 274 .so as to permit of
horizontal, reciprocating movement of the ?at iron 273
but keeping the same from falling. Apulley 275 is rotat
‘turn, is mounted on a bolt 234 fastened to the machine
frame, and which can be swivelled. The roll 21 is also
provided with a hand lever 235' connected with a cam
a'bly mounted on the ?at iron 273'. The pulley runs along
a curved disc 276, it being pressed against the latter by
conventional spring means (not shown). The curved disc
disc, 2352:, an adjusting screw 236, and a further lever
237 connected with lever 233, and the upper advancing
176 is mounted on a shaft 277 which latter is driven by
roll 21 can thus be swivelled in an entirely analogous
gear 249 via gear 278 at the requisite speed and the proper
manner as the roll 29 (see further above). The advanc
interval so as to arrest the strip at the requisite location.
ing rolls 21 and 22' are connected with each other by 10
The table sheet 268 has bulged elongated portions 281
means of gears 238 and 2,39 and are driven through an
and 282 with slots 279 and 280 provided therein, through
intermediate gear 240 which, in turn, is impelled through
which the transferring needles are allowed to pass.
It is further necessary to provide for means allowing
the further intermediate gear 241.
The cutting means ‘33, 34 of this preferred embodi
ment of the machine according to the invention is shown
in detail in FIGURE 23. The lower knife 242 is mounted
on block 34 which latter is screwed to the machine frame,
whereas the upper knife 243 is screwed to a body 33,
which latter is clamped upon a shaft 244 by means of
for removing the handle strip from between the belts 250,
251, by the two needles 48 and 50 (to be described pres
ently; see FIGURES 29b and, 30b), and transferring the
strip to a processing cylinder, such as cylinder 58 in the
afore-described basic embodiment, which was, however,
omitted in FIGURE 15b for the sake of clarity. Provi
the screw 245. The shaft 244 bears a gear 246 meshing
sion is therefore made for means for lifting the upper belt
250, which will now be described. The rolls 45 and 39
with the intermediate gear 241 and transferring the driv
ing motion to ‘knife 243. Gear 241 is driven by gear
247, which is ?xedly connected with gear 248 and rotat
are rotatably positioned on angular levers 283 and 284,
which are, in turn, fulcrumed as at 285 and 286, respec
tivelyk The angular levers 283 and 284 are connected
with each other by rod 287 which can be elongated or
ably positioned on a bolt attached to the machine frame.
The gear '248 meshes with a further gear 249, as shown in
FIGURE 15b.
Next to the cutting means 33, 34, the machine com
shortened by turning the knurl screw 287a. The elongated
arm of the angular lever 283 is hingedly connected with
a lever 290 fulcrumed at 289, via a further rod 283,
which can also ‘be elongated or ‘shortened, by turning the
‘-knurl screw 288a. A roll 291 is rotatably mounted
on the lever 290 and runs along the curved rim of-a disc
prises further advancing means 37, 38 consisting of the
lower advancing roll 38 and, peripherally adjacent thereto,
a disc 37 with segment members 252 screwed against the
disc 37 at either ?at side of the latter. The disc 37 is
. positioned on a shaft 253, the latter being positioned in a
292 (see also FIGURE 3%).
A tension spring (not shown) ‘presses roll 291 against
lever 254. The lever 254 is positioned on a bolt 255
screwed to the machine frame, and can be swivelled. The
lever 254 can be ?nely adjusted by the knurl screw 256
via the lever 258 connected with lever 254. The disc 37
and the roll 38 are provided with a recess 26G, adapted to
receive an upper and a lower belt 250, 251, respectively.
The disc 37 is driven through gear 249 via the gear 259
mounted on shaft 253. Through the disc 37 the upper
and the lower belt 250, 251, respectively, are driven.
Associated with the upper belt there are provided a roll
45 and, between the latter and disc 47, a guide roll 39
and a pair of tension pulleys 261, 262. Associated ‘with
the lower belt is a roll 263 and, between the latter and
disc 37 and roll 38, a pair of guide pulleys 264, 265 and
two ‘further rolls 266, 267.
The upper belt moves ’from disc 37 to the roll 45 and
back to the disc 37, via the roll 39 and the pair of guide
pulleys v261, 262. The lower belt moves towards the
deviating roll 263 and back to the lower advancing roll 38,
via the pair of guide pulleys 264, 265 and the two rolls
266, 267.
The machine is ‘further equipped with guide means for
. the handle strips, as shown in FIGURE 28, and consist
the curved rim of disc 292. The disc 292 is mounted
rotatably on the shaft 293 ‘and is impelled by the common
driving means of the machine via gear 294.
The disc 292 thus rotates at the speed and with the
intervals set by the machine and its driving means, and
40
lifts the rolls 45 and 39 at the requisite moment, via the
curved disc 292, the roll 291, the lever 290, the rod 288,
the angular lever 283, or the rod 287, the angular lever
284, respectively.
The Handle Strip Transfer Mechanism 0]‘ the
Preferred Embodiment
Turning now to the two transferring needles 48 and 59,
referred to above, the same are shown in FIGURES 29b
and 30b in the position in which they pierce the handle
strip in order to transfer the same. For this piercing
motion, the following structure is provided. The needles
48 and 50 are mounted on the levers 51, which latter are
mounted on shaft 55. The shaft 55 also bears a lever 54
with a roll 53, running along the edge of disc 52. As
shown in FIGURE 15b, the curved disc 52 is connected
with disc 292 and rotates together with the latter. The
ing of a ‘base plate 295, upon which there are laterally
configuration of curve 52 is so adapted, that the insertion
mounted rails 296 and 297 reaching over the strip from
of the needles 48, 50 into the strip and their removal
‘both sides of the latter so that there is su?icientspace for
from the same is effected at the required moment, taking
‘guiding the upper belt 250. The guide means with the
into consideration the time used for one ‘reciprocation
base plate and the rails is attached to the machine frame
225 ‘by means of angle irons 298. The guide rails are 60 of levers 56.
FIGURE 3% shows the drive for the reciprocating
interrupted at the location of the advancing means 37, 38.
movement of lever 56. The drive is attached to the out
The rail 297 only is remaining within the range of the
side of the machine frame. The shaft 293 bearing the
rolls 39 and 45, so that it is possible to remove the strip
levers 56 projects from the frame. A lever 299 is clamped
by means of needles which have been omitted in FIGURE
to the projecting portion of the shaft 293 and is hingedly
15b for the sake of clarity.
connected with a link 360, the latter again being hingedly
There is also provided a stop member 47 adapted for
connected with a lever 391. The lever 301 is fulcrumed
arresting the movement of the paper strips by pressing
at 382 and supports a roll 3G3 running in a curved disc
the strip to the left and to the right of upper belt 250 on
304. The curved'disc 384 is mounted on the portion of
a table sheet 268. At this location the guide rails 296 70 the holding knife shaft 305 projecting from the frame.
and 297 are again interrupted. The stop member 47 is
The curved disc 384 can be displaced in longitudinal
attached to an angular lever 269, 270, fulcrumed as at
slots 306 and rotates at the rhythm of the machine.
271. At the lower end of lever arm 270 there is hingedly
Thereby, the required swivelling motion is imparted by
mounted a ?at iron 273 having a fork~shaped end por
the curved disc 334 via the lever connection 360, 299,
tion 272. (See also FIGURE 27.) The vfork-shaped end
to the shaft 293 and hence to the lever 56.
Документ
Категория
Без категории
Просмотров
0
Размер файла
2 658 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа