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Патент USA US3045411

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July 24, 1962
H, GANZ
3,045,40 1
MACHINE FOR PACKAGING ARTICLES
Filed Sept. 21, 1960
4 Sheets~$heet 1
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INVENTOR
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July 24, 1962
H. GANZ
3,045,401
MACHINE FOR PACKAGING ARTICLES
Filed Sept. 21, 1960
'
4 Sheets~Sheet 2
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July 24, 1962
3,045,401
H.\GANZ
MACHINE FOR PACKAGING ARTICLES
Filed Sept. 21, 1960
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July 24, 1962
H. GANZ
3,045,401
MACHINE FOR PACKAGING ARTICLES
Filed Sept. 21, 1960
4 Sheets~Sheet 4
INVENTOR
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Uited States Patent‘
Free
d?dilihl
Patented July 24, 1962
2
1
3,045,401
Henry Ganz, Teaneck, N.J., assignor to Continental Can
Company, Inc., New York, N.Y., a corporation of
MACHINE FOR PACKAGING ARTECLES
New York
Filed Sept. 21, 1960, Ser. No. 57,493
3 Claims. (CI. 53-48)
The application of force by the reciprocating members
at these locations draws the wraparound blank tightly
about the containers and positions the bottom closure
panels so that the path of travel of the latching ?ap will
carry the catches into engagement with the latch openings.
The reciprocating motion enables the tightening members
to slowly and progressively advance into contact with
the side panels and then to steadily apply the tightening
The invention relates to the tightening of a wrap-around
forces to the carton blank. A plurality of tightener mem
paperboard carrier about the containers which are to be 10 bers can be employed which are spaced apart at dis
packaged Within it.
tances from one another corresponding to the interval
My invention has special application for use‘with the
between the containers.
paperboard cartons which have closure and locking means
The reciprocating tightening members then are moved
or the type disclosed in patent of Arthur J. Weiss, Num
along with the containers and carton blank as the closure
ber 2,990,997, granted July 4,1961. To close and lock 15 of the blank is completed.
such a carton my invention can make use of a form of
By moving the tightening
members at the same speed as the containers and!‘ carton
closing and locking means similar to- that of the machine
disclosed in my Patent Number 2,986,857, granted June
6, 1961.
blank, the tightening forces are maintained during the
entire closing operation. After closure of the canton
blank ihas been completed, the tightening members are
20 reciprocated away from contact with the side panels so
Summary
that the package is ‘free to be advanced through the exit
In packaging articles in wrap-around paperboard car
pontion of the machine.
'
riers, experience has taught that there are many advan
In one form of the machine the reciprocating tighteners
tages to be obtained by producing a tight package. By
tightening the carton blank about the articles, the blank 25 are operated by cam means. The cam operating means
enables the approach of the tighteners toward the carton
grips the articles and prevents them from accidentally
blank to have a controlled motion so that force may be
falling out of the open end portion of the package.
, Furthermore, tightening the carton blank during the clos
applied‘in a predetermined manner. The cam operating
means for the tightening members has the additional ad
vantage in that it provides an integrated and compact
ing operation insures the proper engagement of the carton
closure arrangement. A further advantage of producing 30
tightening means which can be readily adjusted to tighten
a tight package is that it prevents relative motion between
the articles which can mar their surfaces and labels or
otherwise injure the articles.
'
In accordance with my invention a conveyer is pro
carton blanks about containers of varying dimensions.
Other features and advantages of my invention will ap
pear as the description proceeds.
Description
vided for moving the containers to be packaged through 35
the machine. The carton blanks which are to be applied
to groups of the containers include a top panel, side
In the drawings, I have illustrated a machine to show
the ‘best mode contemplated by me for carrying out my
panels, and bottom closure panels. One of the bottom
invention as to the tightening of a wraparound carton
closure panels is provided with a latching flap having
lank labout containers to be packaged within it.
catches disposed along the fold lines from which the flap 40
FiG. l is a plan view of the machine showing the tight
extends. Opposite to the catches the latching flap is pro
ening members and their cam operating means.
vided with tab members. The other bottom. closure
FIG. 2. is a sectional view showing the chain drive for
panel is provided with a plurality of latch ‘openings each
moving the tightening members.
'
being adapted to receive and engage the catches and
FIG. 3 is an enlarged fragmentary sectional view of
upon completion of the closure to receive and engage 45 one of the tightening members.
the tab portions.
FIG. 4 is an enlarged sectional View taken along the
The carton blanks are applied to the groups of con
line ‘4——4 in FIG. 1, showing the initial upward folding
tainers being conveyed through the machine. Subse
of the bottom closure panel.
quently the side panels of the blank are folded down
FIG. 5 is an enlarged fragmentary sectional view taken
wardly along the outer sides of the containers. As the 50 along the lines 5——5 in MG. 1, showing the tightening of
travel of the carton and the group of containers con
the carbon blank about the containers.
tinues, the carton blank is folded about the containers to
FIG. 6 is an enlarged fragmentary sectional view taken
form the package. As the carton blank is being folded
along the lines 6—6 in FIG. 1, further showing the appli
about the containers, tightening forces are applied to- the
cation of the tightening forces to the container.
side panels of the carton blank in a lateral direction in 55
FIG. 7 is an enlarged fragmentary plan view of the
order to tighten the blank ‘about the containers prior to
tightening members engaged with the slide panels of the
the ?nal closing operation.
.
carton blanks.
As the carton blank and the group ofcontainers ad—
:FIG. 8 is an enlarged perspective view of the group of
vance, a folding bar swings the bottom closure panel
containers packaged in the wrap-around carton blank.
having the latch openings in an upward direction beneath
Bottles 1t? which are to be packaged are delivered into
the containers. At the same time an additional folding
the machine along support plates '12. (FIG. 1). The bot
bar initiates the upward swinging of the other bottom
tles are delivered into and conveyed through the machine
closure panel and the directing of the catches in the direc
by means of pushers 13 which are pivotally attached to
tion ‘of the latch openings.
drive chains 14. As the bottles are delivered along sup
To close the package it is essential that the catches be 65 port plates 12, carton blanks 11 are placed upon the in
inserted into the latch openings. To perform this‘ ops
coming bottles with top panel 15 of the blank positioned
erat-i'on in a smooth and efficient manner it is necessary
to tighten the wrap-around carton blank ?rmly about the
containers. This operation is performed by tightening
members which are reciprocated into contact with the
portions of ‘the side panels of the carton blank between
the containers and ‘adjacent to the bottom closure panels.
above the bottles.
’
The top panel of carton 11 is provided with openings
16 adaptedgto receive necks 17 of bottles 10 (FIG. 8). In
addition, carton blank 11 has side panels 18 and 19 and
bottom closure panels 20‘ and 21. Side panels 18 and 19
may be’provided with cuts 22 and 23 as well as fold lines
3,045,401
4
24 so that the side panels can ?t tightly about the lower
cam means are provided to reciprocate the tighteners
with respect to the carton blank. The cam means includes
cam members 44 having ramp portions 45 and 46 at their
portions of the bottles adjacent to their bottoms.
The closure arrangement of carton blank 11 may be
similar to that described in the patent of Arthur J. Weiss,
opposite ends.
Number 2,990,997, granted July 4, 1961. The closure
includes latching ?ap 25 extending from bottom closure
panel 21 (FIGS. 4, 5 and 6). Bottom closure panel 20‘ is
Roller followers 43 are biased against
earns 44 by means of springs 47 attached to pins 48 ex
tending from rods 42 and pins 49 extending from supports
36. Whenever a roller follower passes beyond ramp por
tion 46, spring 47 retracts rod 42 until pin 48 bears upon
provided with latch openings 26 which are adapted to re
ceive catches 27 extending from latching ?ap 25 adjacent
support 36, thereby preventing further outward move
to bottom closure panel 21. Upon engaging catches 27 10 ment of the rod. The rod remains in this position until
within latch openings 26 (FIGS. 5 and 6), the closure is
the roller follower again enters upon ramp portion 45.
completed by swinging the ‘latching ?ap upwardly and
As the bottles and cartons are advanced beyond
passing tabs 28 through latch openings 26 until the latch
tapered portion 34 of support plate 12, bottom closure
ing ?ap is against bottom closure panel 28. During the
panel 20 travels along the straight portion 50 of folding
closing operation catches 27 remain engaged with the 15 bar 32 (FIG. 1). At the same time, bottom closure
portion of latch openings 26 adjacent to bottom closure
panel 21 is folded beneath straight portion 51 extending
panel 21 so that the two bottom closure panels remain in
from support plate 12 by the action of folding bar 33.
contact with one another.
At this point the leading tightener of a pair is advanced
As the bottles are advanced along support plate 12,
about sprocket 38 and onto the upper reaches of chains
carton blank 11 is deposited upon the bottles so that necks
20 37. As tightener 35 travels upwardly about sprocket 38,
17 pass through openings 16 in top panel 15. Side panels
roller follower 43 contacts ramp portion 45 with the
18 and 19 are then folded downwardly along the outer
result that tightener 35 is moved with respect to support
side portions of the bottles. The arrangement for deposit
36 toward the carton blank. Due to the synchroniza
ing the carton blanks onto the bottles may be similar to
tion of drive chains 14 and 37, the leading tighteners are
that of the patent of Robert H. Ganz, Number 2,998,685, 25 advanced between the forward and center bottles of a
granted September 5, 1961. Hooked portions 29 of push
group until head members 38 contact the side panels of
ers 13 convey the group, while at the same time surfaces
the carton blank and initiate the tightening operation.
30 of the pushers contact the trailing edges of side panels
As roller followers 43 advance beyond ramp portions 45
18 and 19 and urge the carton blank in the direction of
and onto the straight portion of cams 44, the trailing
travel. Drive chains 14 to which pushers 13 are pivotally 30 tighteners are reciprocated inwardly by ramps 45 until
attached are driven by sprockets 31.
they also come into contact with the side panels of the
carton. In this manner the tightening forces are applied
in succession to the portions of the carton blank side
As a group of bottles and a carton blank advance along
' support plates 12, folding bar 32 (FIGS. 1 and 4) initiates
the upward folding of panel 20. With further movement
walls disposed between ‘fold lines 24 adjacent to the junc
along support plate 12 the leading edge of bottom closure 35 tion of the side panels and the bottom closure panels.
panel 21 contacts folding bar 33 and in turn is folded up
The sequential operation of the tightener provides a
wardly (FIGS. 1 and 4). As the bottom closure panels
gradual tightening of the carton blank. The pro?le of
continue to be folded upwardly the bottles and carton
blanks are advanced along tapered portion 34 of support
plate 12. At this location the carton blank is approach
ing the point at which catch 27 must be directed through
latch openings 26 in order to initiate the closing operation
of carton blank 12. Consequently at this location it is
necessary that side panels 18 and 19 be pressed tightly
about the bottles and that the bottles be positioned against 45
ment of tighteners 35 in the direction of the carton blank,
head members 38 force the side panels inwardly between
the bottles and thereby urge the bottom closure panels
catches and latch openings may be insured.
To insure that carton blank 11 is drawn tightly about
the bottles as the closure of the bottom panels is initiated,
toward one another. This operation serves to tighten
the package and at the same time insure the free align
ment of catches 27 with latch openings 26 (FIG. 5).
With roller followers 43 of tighteners 35 travelling
the bottles in the adjacent row so that alignment of the
ramp portions 45 may be varied to control the rate of
movement of the tighteners and therefore the rate of
application of the tightening forces.
Side rails 52 initially hold the carton blank side panels
adjacent to the bottles (FIG. 4). Upon the advance
tighteners 35 mounted in a reciprocating manner in sup 50 along the straight portions of cam 44, the closure of
ports 36 are provided (FIGS. 2 and 3). Supports 36 are
carton blank 11 is completed by means of the type dis
attached to drive chains 37 and are spaced apart at an
closed in my Patent Number 2,986,857, granted June 6,
interval substantially corresponding to the distance be
1961. Blade 53 forces bottom closure panel 20' against
tween the bottles of the group within a carton blank. To
the bottom of the bottles adjacent to it. The action of
assures that tighteners 35 are maintained in a position
straddling the central bottle of a group of bottles, drive
chains 37 which are disposed about sprockets 38 and 39
. folding blade 54 and edge 55 then serve to direct catches
27 through latch openings 26. During the remainder of
the travel of the carton blanks, latching ?ap 25 is rotated
travel in substantially vertical planes. By suitable drives
upwardly and tabs 28 are directed through latch open
the path velocity of chains 37 is maintained substantially
ings 26 so as to complete the closing operation.
equal to that of chains 14 by means of which the syn 60 As the carton advances adjacent to the end portion 56
chronism of the tighteners and the carton is maintained
of the closure apparatus, the ‘application of the carton to
throughout the travel of a package through the machine. - the containers is substantially completed and there is no
Each of the tighteners 35 are provided with head mem~
further need of maintaining the tightening forces of
bers 38 which have both sloping surfaces 39 and 40 adapt
tighteners 35. Consequently at this point cam 44 is pro
ed to maintain clearance with the bottles and end surface 65 videdwith ramp portion 46 which enables the tighteners
41 adapted to be substantially parallel to the side panels
to disengage from contact with the side panels of the
of the carton blank. Tighteners 35 include rod 42 to one
carton. Springs 47 urge the roller followers 43 to remain
end of which is attached head 38 and to the opposite end
in contact with cam portions 46 to complete the disen
of which is attached roller follower 43. In order that the
gagement of the tighteners. The retraction of the
tighteners perform their tightening function, it is necessary 0 tighteners is su?iciently rapid to permit a free exit of the
that they be made to bear upon the carton blank and exert
carton blank and bottle assembly from the machine along
support plates 57 and 58.
inwardly directed forces against the carton blank and
bottles. It is also necessary that the tighteners be free
Operation
of the carton blank prior to the point at which the tighten
ing pressure is to be applied. To ful?ll these requirements 75 Bottles 10' are advanced into the machine along with
3,045,401
5
6
carton blank 11 disposed over them by the conveying
action of pushers 13 driven by chains 14. As the assem
bly of bottles and carton blank advances, the bottom
closure panel is folded upwardly by means of folding
upwardly for tight interlocking engagement under the
bar 32.
At the same time folding bar 33 initiates the
upward folding of bottom closure panel 19. As the
carton blank and bottles advance along tapered portion
34 of support plate 12, it becomes necessary to apply
lateral forces to the carton blank side panels to tighten
the blank about the bottles in order that catches 27 may 10
be engaged with latch openings 26.
bottoms of the containers, and means for tightening the
carton blank ‘against the containers,
'
(a) said tightening means including a plurality of
pairs of tightening members and means for moving
?rst the members of one pair and then the members
of another pair successively ‘against portions of the
side panels, and
(b) the means for folding said other bottom panel
upwardly into interlocking engagement with said
?rst panel being timed to effect the interlock when
said tightening members are in tightening position
against said portions of the side panels.
The means of tightening the carton blank and bottles
include tighteners 35 which are mounted for reciproca
2. In a machine for applying a wrap-around carton
tion by supports 36 attached to chains 37. Chains 37
operate over sprockets 38 and 39‘ in substantially vertical 15 blank to containers and the like arranged in rows, said
planes. Tighteners 35 include head members 38 at
carton blank having a top panel, side panels, and inter
locking bottom closure panels, means for conveying the
tached to rod members 42 and adapted to intersect a
portion of the side panels of the carton between the
‘containers through the machine, means for wrapping the
end and center bottles of the group to be packaged. The
carton blank about the containers, including means for
drive to chain 37 and ‘chains 13 are synchronized so that
tighteners 35 can be actuated as they travel along with
the group of bottles and cartons and apply lateral pres
sure thereto as the closure of the carton is being com
folding the side panels downwardly along the outer sides
of the containers and means for folding ?rst one bottom
closure panel and then the other bottom closure panel
upwardly for tight interlocking engagement under the
pleted.
bottoms of the containers, and means for tightening the
As the bottles advance from tapered portion 34 of 25 carton blank against the containers,
supports plate 12 toward straight portion 511, roller
(a) said tightening means including a plurality of pairs
followers 43 of the leading tighteners of a pair contact
of tightening members and means for moving said
ramp portions 45 of cam members 44 as they travel up
members in straight lines normal to the side panels
wardly and about sprockets 38.‘ As the followers leave
when the latter are in their positions along the outer
the ramp portions, the tighteners are sufficiently ad
sides of the containers to bring said members against.
vanced that head members 38 contact the portions of the
portions of the side panels, and
side panel of the carton disposed between the leading
(b) the means for folding said other bottom panel
and middle bottles of the group adjacent to the junc
upwardly into interlocking engagement with said ?rst
tion between the side panels and bottom closure panels.
panel being timed to effect the interlock when said
Subsequently the succeeding tighteners of the pair are 35
tightening members are in tightening position against
similarly advanced by the action of ramp portions 45 so
said portions of the side panels.
that their head members contact the side panels of carton
blank between the middle and the trailing bottles of
the group. The tighteners maintain pressure substan
3. In a machine for applying a wrap-around carton
blank to containers and the like arranged in rows, said
carton blank having a top panel, side panels, and inter
tially adjacent to the plane of the bottom closure panels 40 locking bottom closure panels, means for conveying the
so that the carton blank is drawn tightly about the bottles
containers through the machine, means for wrapping the
and the bottom outside portions of the bottles project
carton blank about the containers, including means for
into the region of the carton blank including cuts 23
folding the side panels downwardly along the outer sides
and 22 as well as fold lines 24.
'
,
of the containers and means for folding ?rst one bottom
While the tighteners maintain side pressure on the 45 closure panel and then the other. bottom closure panel
upwardly for tight interlocking engagement under the
cartons, the group'is advanced and the closure of the
carton blank is completed. Roller followers 43 then
bottoms of the containers, and means for tightening the
move onto ramp portions 46 of cam member 44, there
carton blank against the containers,
by retracting and relieving the side pressure on the
(a) said tightening means including a plurality of
cartons. The withdrawal action of the tighteners insures 50
pairs of tightening members and means for'moving
that the carton blank and bottles have complete freedom
first the members of one pair and then the members
to travel through the exit portion of the machine.
of another pair successively against portions of the
The terms and expressions which have been employed
side panels, said last-named means including guides
are used in a descriptive and not a limiting sense, and
in which said members move in straight lines normal
there is no intention of excluding such equivalents of 55
‘to the side panels when the latter are in their posi
the invention described as fall within the scope of the
tions along the outer sides of the containers, and
claims.
(b) the means for folding said other bottom panel
I claim:
upwardly into interlocking engagement with said
1. In a machine for applying a wrap-around carton
?rst panel being timed to effect the interlock when
blank to containers and the like arranged in rows, said 60
said tightening members are in tightening position
carton blank having a top panehside panels, and inter
against said portions of the side panels.
locking bottom closure panel's, means for ‘conveying the
References Cited in the ?le of this patent
containers through the machine, means for wrapping the
carton blank about the containers, including means for
UNITED STATES PATENTS
folding the side panels downwardly along the outer sides 65 2,817,196
2,817,197
closure panel and then the other bottom closure panel
2,860,461
of the containers and means for folding ?rst one bottom
Ringler _____________ __ Dec, 24, 1957
Anness _____________ __ Dec. 24, 1957
Arneson ____________ __ Nov. 18, 1958
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