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Патент USA US3024079

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March 6, 1962
w. |__ GROSS
3,024,069
MACHINE FOR COMBING EDGES OF STEEL WOOL STRIPS AND PROCESS
Filed March 3, 1959
4 Sheets-Sheet 1
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4644 4
40
50/25 M //”///6
I
as
541
INVENTOR
14km)»; Z. '6/P066
BY
¢W
ATTORNEYS
March 6, 1962
w; L GROSS
3,024,069
MACHINE FOR COMBING EDGES OF STEEL WOOL STRIPS AND PROCESS
Filed March 3, 1959
4 Sheets-Sheet 2
BY
WWW
ATTORNEY5
March 6, 1962
w. L\ GROSS
3,024,069
MACHINE FOR COMBING EDGES OF STEEL WOOL STRIPS AND PROCESS
Filed March 3, 1959
4 Sheets-Sheet 3
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If
INVENTOR
Wan/n Z fem:
BY
WWW/W
ATTORNEYS
March 6, 1962
w. L» GROSS
3,024,069
MACHINE FOR COMBING EDGES OF‘ STEEL WOOL STRIPS AND PROCESS
I Filed March 5, 1959
4 Sheets-Sheet 4
E5
J
Willim Lawrence Gross
J % 1, M
' ATTORNEY$
grates Patent
3,®Z4,%9
Patented Mar. 6, 1962
1
2
portion of FIGURE 3 illustrating the advancing and
3,024,069
' combing mechanisms, and
MACHINE FOR COMEING EDGES OF STEEL
WOOL STRWS AND PROCESS
William L. Gross, New York, N.Y., assignor to Colgate
Palmolive Company, New York, N.Y., a corporation of
Delaware
Filed Mar. 3, 1959, Ser. No. 796,976
17 Claims. (Cl. 300-—21)
FIGURES 6, 7 and 8 diagrammatically illustrate pro
gressive steps of a manner of beading the ends of the
metallic wool pads.
Referring now in detail to FIGURES 1-5, the comb
ing apparatus 10 embodying the principles of the present
invention is illustrated as comprising a rectangular table
like framework 12 which may be built up from angle irons
or other suitable structural forms, and advancing mecha
nism 14 for conveying the metallic wool rolls through the
apparatus 10 and a combing mechanism 16 ‘for providing
This invention relates to automatically producing a
combed ?nish on the open ends of rolled metallic wool
and is more particularly concerned with a method and
apparatus wherein the ?bers of the edge areas of metallic
wool rolls are combed to produce a desired ragged combed
?nish so as to facilitate the productionof a more com
pact pressed metallic wool pad.
the wool rolls with the special ragged combed ?nish edge
structure as they are being advanced.
15
This is accomplished in accordance with the present
invention by providing a pair of belts spaced apart in back
to back relationship for advancing under pressure metallic
wool rolls between a plurality of revolving wire brush
The framework 12 has four vertically standing legs 18
rigidly secured together by crosspiece angle irons indi
cated at 22 or other structural forms so as to provide for
a rigid ?rm structure for supporting the advancing and
combing mechanisms 14 and 16.
Mounted above the framework 12 on a frame extension
wheels which are arranged to engage the ?bers of the open
ends of the rolls and to card the ?bers thereof so as to
24 of suitable construction is the metallic wool roll ad~
vancing mechanism 14 which advances the metallic wool
rolls to be carded from a horizontal feeding platform 26
produce the desired ragged combed ?nish. The construc
tion embodying the principles of the present invention
through the apparatus 10 to a sloped discharge platform
may be applied to metallic wool rolls in general. For
28. This advancing mechanism 14 for conveying the wool
example, the principles of the present invention may be 25 rolls through the apparatus 10 comprises a pair of verti
applied to rolls of steel wool, aluminum wool, copper
cally opposed continuous belts 30 and 32 which are spaced
wool or other metals suitable in the production of metallic
apart in back to back relationship and which are movable
wool pads.
in opposed parallel spaced apart paths. These belts 3t} and
It is, therefore, a major object of this invention to pro 30 32 are positioned between the feed platform 26 and the
vide a novel apparatus and method for providing a metal
discharge platform station 28 and are adjustably spaced
lic wool roll with a special edge structure that facilitates
the production of a more compact metallic wool pad by
densi?cation of the open edges of the pad before it is
compacted.
Accordingly, a further object of this invention is to
apart by a selected distance so as to form a throat 29 for
receiving the metallic wool rolls as they are pushed oil of
the feed platform 26.
35
The upper continuous belt 30 passes around a tubular
guide roll 34 and a companion tubular guide roll 36
provide a novel apparatus and method wherein a roll of
(FIGURE 1) spaced horizontally apart from the guide
metallic Wool is fed to a station that combs the open ends
roll 34 in parallel relation thereto. The guide roll 34 is
of the roll to produce a ragged combed ?nish.
non-rotatably mounted on a shaft 38 which is suitably
A more speci?c object of this invention is to provide a 40 journalled in bearings (not shown) secured or formed in
novel apparatus and method wherein metallic wool rolls
a support frame 40. The frame 40 is a?ixed to a longi~
are squashed ?at between two surfaces and advanced under
tudinally extending channel 42 which is mounted on the
pressure through a combing station wherein the open ends
rectangular frame 12 and secured thereto by welding or
of the rolls are combed to produce a ragged combed
other suitable means. The companion guide roll 36 is
?nish.
A further object of this invention is to provide an ap
paratus for advancing metallic wool rolls in succession
into endwise engagement with a plurality of rotating wire
45 non-rotatably mounted on shaft 44 which is journalled in
bearings (not shown) suitably secured or formed in
aligned spaced apart bearing supports generally indicated
at 46. These bearing supports 46 are adjustably mounted
brush wheels so that the wire brush wheels engage the
on a base plate ‘48 so that they are capable of movement
edges of the rolls to comb the ?brous edge areas of the 50 for aligning and tensioning the belt 30. The base plate 48
rolls at right angles to the axes thereof toward a diametri
may be of any suitable conventional construction for
cal centerline to produce a ragged combed ?nish.
facilitating the movement of the supports 46 and is a?ixed
A further object of this invention is to provide a novel
to a channel section 50 which is, in turn, secured to the
apparatus wherein a pair of belts spaced apart in back to
frame extension 24 by angles 52 or other suitable struc
back relationship advance under pressure metallic wool 55 tural forms.
rolls in succession between a plurality of driven revolving
The lower continuous belt 32 passes around a tubular
wire brush wheels arranged to engage the open ends of
drive roll 54 (FIGURE 1) and a tubular guide roll 56
the rolls to thereby comb the ?bers thereof so as to pro
spaced horizontally apart from the drive roll in parallel
duce the desired ragged combed ?nish.
relation thereto. These tubular rolls 54 and 56 are re
Further objects of the invention will presently appear
spectively equidistantly align ed vertically below the axes
as the description proceeds in connection with the ap
of guide rolls 34 and 36, so that the clearance between
pended claims and the annexed drawings wherein:
adjacent opposed portions of the belts forming the throat
FIGURE 1 is a side elevation of a combing apparatus
embodying the principles of the present invention;
29 is substantially uniform. The tubular drive roll ‘54 is
non-rotatably mounted on a horizontal drive shaft 58
FIGURE 2 is an end elevation of the combing apparatus 65 which is suitably journalled in bearings (not shown) se
cured or formed in the support frame 40. The guide
of FIGURE 1;
FIGURE 3 is a partial vertical section substantially . roll 56 is non-rotatably mounted on a shaft '69 which
is journalled in bearings (not shown) suitably secured or
along the line 3—-—3 of FIGURE 1;
formed in aligned spaced apart bearing ‘supports 62.
FIGURE 4 is a partial plan section substantially along
70 These bearing supports 62 are adjustably mounted on a
the line 4-4 of FIGURE 1;
base plate ‘64 and are capable of movement for aligning
FIGURE 5 is an enlarged ‘fragmentary view of upper
and tensioning the lower belt 32. The base plate 64 may
3,024,069
3
4
be of any suitable conventional structure similar to that
shown in detail, to secure the member 106 against move
of the bearing support base plate 48 and is affixed to the
underside of the channel section 50 below the base plate
48.
The driving mechanism for the tubular drive roll 54- is
ment.
generally indicated at 66 as best illustrated in FIGURE 2
and constitutes a motor 68 or other suitable prime mover
Similar to the construction of the upper belt support 98
and with continued reference to FIGURE 5, the lower belt
support 100 is built up from suitable structure bars to
form a T in cross section having a downwardly depending
leg 114 perpendicularly ai?xed by welding or other suit
able means to a ?at head plate 116. The head plate ex
which is suitably fastened to a rigid frame base 70 below
tends between the tubular drive roll 54 and the tubular
the tubular drive roll 54. The armature drive shaft (not
shown) of the motor 68 is drivingly connected to a speed 10 guide roll 56 and is positioned to ?rmly press upwardly
in facial abutting relationship against the underside of
reduction gear mechanism of any convention construc
the portion of belt 32 forming the lower portion of throat
tion such as a conventional worm wheel reduction drive,
29. This reinforcing belt support 100 is secured against
not shown in detail, for selectively varying the speed at
vmovement by suitable structural forms, not shown in de
which the tubular drive roll v54 is driven and is generally
indicated at 72. The output of the speed reduction mech 15 tail, which may be a?ixed to the frame 12. Consequently,
anism 72 drives a shaft 74 which is coupled at 76 to a
driven stub shaft 78 journalled in bearings (not shown)
formed or secured in aligned spaced apart supports 80
and 81. vThese supports 80 and 81 are rigidly a?ixed by
angles 82 to the base 70. Between the shaft supports 80
and ‘81 a toothed sprocket wheel is ?xed for rotation on
the driven shaft 78 and is drivingly connected by a con
tinuous chain drive 86 to a toothed sprocket wheel 88
at?xed on the end of the drive roll shaft ‘58.
To provide for tensioning adjustment of the chain 86,
by this structure, the throat 29 is formed by belt portions
which are held vertically rigid by the belt supports 98
and 100.
With continued reference to FIGURES 1-5, to provide
for the ragged combed ?nish on the metallic wool rolls
as they are advanced from the feed station 26 to the dis
charge station 28 between the belts '30 and 32, two pairs
of opposed rotatable wire brush wheels are provided and
are designated at 122, 124, 126 and 128. The first pair
25 of wire brush wheels :1'22 and 124 are rotatable about
the motor base is pivotally mounted at its left side as
viewed from FIGURE 1 on a rod 90 which extends paral
parallel axes spaced apart in the same horizontal plane a
selected distance below the center of the throat 29 one
on either side of the belts 30 and 32 and which axes are
lel to the longitudinal axis of the motor 68 below the
parallel to the movement of the belt. The second pair
motor base and which is secured to the frame 12 by
angles indicated at 92 or other suitable structural ‘forms. 30 of wire brush wheels 126 and 128‘ also are rotatable about
parallel ‘axes spaced apart in the same horizontal plane
The right side of the motor base 70 as viewed from FIG
a selected distance above the center of the throat 29 one
URE 1 is supported above the frame 12 by adjusting
on either side thereof. These axes of wire brush wheels
screws 94 which extend upwardly through the frame 12
126 and 128 also are parallel to the movement of the belts
and the motor base 70 to threadedly receive nuts indicated
at 96 above and below the base so as to support and se 35 30 and 32. The upper pair of wire brush wheels 126
and 128 are o?set to the left of the lower set of wheels
cure the base 70 in adjusted position.
122 and 124 as viewed from FIGURE 1 and when all
By this construction, adjustment of the tension on chain
the wheels used are ‘all of equal diameter, the vertical
86 is effected by loosening nuts 96, pivoting the base 70
spacing from the center of the throat 29 and the horizon
and the toothed sprocket 84 carried thereon about the rod
90, and re-tightening nuts 96 to secure the motor base 70 40 tal spacing from the belts 30 and 32 are preferably the
same for each wheel. Consequently, the area of contact
in a desired position for the proper tensioning of the
chain
86.
~
.
t
t
of each wire brush wheel on the metallic wool roll as it
is advanced between the belts ‘30 and 32 is the same to
In order to hold the metallic wool rolls squashed flat
assure uniformity of combing action on the ?bers form
between the belts 30 and 32, top and bottom reinforcing
belt supports 98 and 100 are provided to prevent the 45 ing the open ends of the wool rolls from above and
below the rolls.
belt portions, which engage and compressthe wool rolls
Accordingly, the structure for mounting the wire brush
from being vertically displaced by the rolls as they are
wheel 122 comprises a spindle 130 (FIGURES 1 and 3)
fed into the throat 29. Referring to ‘FIGURE 5, the top
on which the wheel 122 is non-rotatably af?xed near one
belt ‘support 978 is built up from suitable structural bars
to form an inverted T in cross section having an up 50 end thereof. The spindle 130 is journalled for rotation in
standing leg 102 perpendicularly af?xed by welding or
other suitable means to a ?at head plate 104. The head
a bearing (not shown) formed or secured in the upper
enlarged portion of a support arm 132 and is supported
by the arm 132 so that its axis is parallel to and spaced
apart from the belts 30 and ‘32 at a selected distance above
plate 104 extends between the tubular belt guide rolls
34 and 3,6 in reinforcing facial abutment with the inner
surface of the lower portion of belt 30 which forms the 55 the throat 29.
By this structure, the peripheral edges
upper portion of throat 29 so as to prevent the belt 30
of the wire brush wheel 122 face the sides of the belts 30
from being vertically displaced by the metallic wool rolls
and 32 at a preselected distance therefrom so as not to
as they are fed off of the platform 26 and advanced, to
engage the belts.
The support arm 132 is pivotally connected at its lower
the discharge station 28.
The leg 102 of belt support 98 is af?xed to a stationary 60 end to a support plate 134 as by pin 136 which is passed
through the base of the support plate 134 and the arm 132
structural plate member 106 by bolts 108 which extend
through the leg 102 and through elongated slots 110
and which is threaded to receive nut 138 which secures
the arm 132 facially against support plate 134. This sup
(FIGURE 1) formed near the lower edge of plate mem
port plate 134 extends upwardly in facial abutting rela
her 106 and which are threaded to receive nuts 112 so
as to secure the support 98 against movement relative to 65 tionship with the support arm 132 so as to brace the
latter from lateral movement and terminates in a ?ared
portion 140‘ below the upper end of the arm 132. The
the plate member 106.
From this construction, it will be appreciated that the
elongated slots 110 provided in plate member 106 facili
tate vertical adjustment of belt support 98 by loosening
flared portion 140 of the support plate 134 is provided
with an elongated horizontal slot 142 through which the
nuts 112 and sliding the support 98 up or down. In this 70 threaded legs of a U-bolt 1'44 extend and pass around
support arm 132 in supporting engagement therewith to
manner, the reinforced height of the throat 29 is selec
tively adjusted to accommodate different sizes of vmetallic
wool rolls and to obtain desired operating conditions.
The supporting stationary plate member 106 may be
affixed to the frame 12 by suitable structural forms, not 75
secure the support arm 132 against movement relative to
the support plate 134 during operation. By this structure,
it will be appreciated that arcuate movement of the sup
port arm 132 is facilitated to swingably adjust the wire
3,024,069
brush wheel 1122 toward or away from the belts Y30 and
32 by loosening the nut 138 and the U-bolt 144, pivoting
the support arm 132 and the wire brush wheel 122 about
pin 136, and then tightening the nut 138 and U-bolt 144
to secure the arm 1.312 and the wire brush wheel 122 in a
desired position relative to- the belts ‘30 and 32.
Vertical adjustment of the wire brush wheel 122 is
facilitated by suitably securing the support plate 134 to a
6
‘fore described in relation to the lower pair of wire brush
wheels 122 and 124. Since the component parts of the
structure for mounting and driving the upper pair of wire
brush wheels 126 and 128 are provided with the same
reference numerals as the component parts of the mount
ing and driving structure and apparatus for the lower pair
of wire brush wheels, no further disclosure or explanation
is required herein.
?at horizontal ‘base 148 which is mounted for vertical
In preparation to operation of the combing apparatus
adjustment on the frame 12 by a series: of bolts 150 hav 10 10, the wire brush wheels 122, 124, 126 and 128 are ver—
ing threaded shanks. The bolts 150' extend upwardly
tically and arcuately adjusted to accommodate the me
through the frame 12 and the ‘base 148, and threadedly
tallic wool rolls about to be processed so that they engage
receive support and lock nut assemblies indicated at 152.
uniform and equal areas of the metallic wool rolls ad
By this construction it is apparent that vertical adjustment
vanced between the belts 38’ and 32 as hereinafter de
of the base 148 and consequently the support plate 134, 15 scribed. The height of the throat also is adjusted to ac
the support arm 1132 and the wire brush wheel 122 is
commodate the desired magnitude of compression of the
facilitated by loosening nuts 152, vertically shifting the
rolls between the belts 301 and 32. The speeds at which
base 148 and the parts thereon, and retightening the nuts
the lower belt drive roll 54 and the wire brush wheels 122,
152 to secure the base 148 and consequently the‘ wire
124, 126 and 128 are rotated are also adjusted by their re
brush wheel 122 in a desired vertical position relative to
spective speed reduction mechanisms 72 and ‘170 to meet
the throat 29 as operating conditions demand.
operating conditions.
Referring now to FIGURES 2-5, on the other side of
In operation, the motors indicated at 68 and 168
the belts 38 and 32 from wire brush wheel 122, the wire
are started to respectively rotate the drive roll 54 and
brush wheel 124 is mounted on the end of a spindle 156
the wire brush wheels 122, 124, 126 and 128. Opera
in the same fashion as the wheel 122. The spindle 156 25 tion of the two motors indicated at 168 function to
with its axis parallel to that of spindle 130‘ is similarly
mounted for rotation in a support arm 158 which is iden
tical to the support arm 122. In the same fashion as
support arm 132 is pivotally mounted, the support arm
separately drive the lower pair of wire brush wheels
122 and 124 and the upper pair of wire brush wheels
126 and 128 through their respective drive trains. As
viewed from FIGURE 3, each of the motors indicated
158‘ also is pivotally mounted at its ‘lower end by pin 1160 30 at 168 are rotated in such a manner so as to cause the
(FIGURE 4) on ‘a support 1162 which is identical to the
upper .pair of wire brush Wheels 126 and 128- to rotate
support plate 134. The support plate 134 also is mounted
clockwise and counterclockwise respectively and the
on the base 148 and is secured thereto by the bolt and
lower pair of wire brush wheels 122 and 124 to respec
nut assemblies indicated at 150V and 152 respectively.
tively rotate counterclockwise and clockwise.
By this construction, the vertical adjustment of the base 35 The operation of the motor 68 through the drive train
148 hereinbefore described serves to vertically adjust both
generally indicated at ‘66 rotates the tubular drive roll
the wire brush wheels 122 and 124 at the same time.
54 so as to cause the lower belt 32 to move in a clock
The driving mechanism for the lower pair of wire
Wise direction. The metallic wool rolls indicated at
brush wheels 122 ‘and 124 is generally indicated at 166
202 are fed in succession from the teed platform 26 into
and constitutes a motor 168 or other prime mover suitably 40 the throat 29 and between the belts 30 and 32 with
fastened to the rigid base 148. The armature drive shaft
their longitudinal axes at right angles to the belt move
(not shown) of the motor 168 is drivingly connected to
ment. As the metallic wool rolls 202 are fed between
a speed reduction gear mechanism of any conventional
the belts 30 and 32, they are carried forward by the
construction as hereinbefore described for selectively
lower moving belt 32 into the throat section 29 where they
varying the speed of the wire brush wheels 122 and 124
are compressed and squashed flat between the belts ‘30
and is generally indicated at 170. Referring now to
and 32. This engagement of the upper and lower belts
FIGURE 4, the output of the speed reduction mechanism
30 and 32 by the metallic wool rolls 282 causes the
170 drives a shaft 172 which extends at right angles to
upper belt 34) to move concomitantly with the lower
the longitudinal axis of the motor 168 and is coupled at
belt 30 so as to advance the metallic wool rolls toward
the discharge station 28.
174 to a driven stub shaft 176 which is journalled near
its coupled end in a bearing support 177. The opposite
As the metallic wool rolls are advanced, squashed
end of the stub shaft 176 is journalled in a bearing cap
?at between the belts 30 and 32, the open ends move
178 suitably secured to- a horizontally inwardly projected
into engagement ?rst with the upper pair of wire brush
portion of pin 160. Keyed or otherwise suitably af?xed
wheels 126 and 128 and then the lower pair of wire
to the shaft 176 near the bearing cap end thereof is a 55 brush wheels 122 and 124.
pulley 1841 which is drivingly connected by a suitable drive
The upper pair of wire brush wheels 126 and 128
belt 182 to a driven pulley 1'84 a?ixed to the spindle 156.
respectively rotating clockwise and counterclockwise as
Mounted for rotation on the stub shaft 176 intermedi
viewed from FIGURE 3, comb down through the fibrous
ate the coupling 174 and the pulley 180 is a gear wheel
edge areas of the wool rolls so as to outwardly comb the
186 of any conventional type which meshes with a gear 60 ?brous edge areas forming the open ends of the wool
wheel 188 of similar construction. The gear wheel 188
rolls at substantially right angles to the longitudinal axes
is keyed to a shaft 1'90 which extends parallel to the stub
thereof to produce the desired ragged combed ?nish along
the upper half of the wool rolls. The lower pair of
shaft 176 in the same horizontal plane therewith. This
wire brush wheels 122 and 124 respectively rotating
shaft 190‘ is journalled at the end adjacent the support
plate 134 in a bearing cap 192 secured to the inwardly 65 counterclockwise and clockwise, as viewed vfrom FIGURE
3, comb up through the ?brous edge areas of the wool
projecting end of pin 136 and at its opposite end in a hear
ing bracket 194.
roll so as to outwardly comb the ?brous edge areas form
ing the open ends of the wool rolls at substantially right
Af?xed to the shaft 190‘ between the bearing cap 178
and the gear wheel 188 is a pulley 196 which is drivingly 70 angles to the longitudinal axes thereof to produce the
desired ragged combed ?nish along the lower half of the
connected by a suitable drive belt 198 to a driven pulley
wool rolls.
2W mounted for rotation on the spindle 130.
The metallic wool rolls provided with the specially
With continued reference now to FIGURES 1-4, the
combed edge structure are then successively discharged
structure for mounting and driving the upper pair of wire
from between the belts 3t} and 32 onto the discharge plat
brush wheels 126 and 128 is identical to that hereinbe 75 form 28 from- which they may be conveyed to a suitable
3,024,069
7
machine (not shown) which presses the rolls into the
form of a pad. By virtue of the ragged combed ?nish, a
greater densi?cation of the open edges of the pressed
pads is facilitated so as to produce a more compact
8
about substantially parallel transversely spaced apart axes,
means for advancing said rolls under pressure at right
angles to the axes of said rolls to engage said members
at opposite ends, and means for rotating said members
in opposite directions for combing the ?bers along the
edge areas of said rolls towards the longitudinal axis
After the metallic wool rolls have been pressed into
thereof to produce a ragged combed ?nish on the open
pad form, the edge areas along the open ends thereof
ends thereof.
may be crimped together and beaded.
5. In an apparatus for combing the edges of metallic
FIGURES 6, 7 and 8 illustrate successive steps in a
method that can be used to bead the pad edge areas. In 10 wool rolls, at least one pair of combing members ro
tatably mounted about opposed parallel transversely
FIGURE 6 a pad 203 is disposed upon a support 204
spaced apart axes, conveyor means for advancing said
with its open ends compressed between the support and
rolls with their longitudinal axes at right angles to and
a pair of motor driven rollers 205 and 206 to thereby
between the axes of said members in predetermined re
compress the metallic wool edges at 207 and 208. During
this operation the support and roller pair 205, 206 rela 15 lationship thereto to effectuate engagement of the edge
areas of said rolls with said carding members and means.
tively move perpendicularly to the plane of the drawing so
for rotating said combing members in opposite directions
that parallel compressed edge areas 207 and 208 are
for combing the edge are-as of said rolls continuously
formed on opposite edges of the pad 203.
outwardly in the direction of longitudinal axes thereof
Then the pad 203 moves to a second station where
the compressed edge areas ‘207 and 208‘ are crimped into 20 to produce a ragged combed ?nish on the open ends
thereof.
substantially J-shape as shown in FIGURE 7, by the
6. The apparatus as de?ned in claim 5, wherein said
action of motor driven crimping rollers 209 and 211 and
members comprise wire brush wheels.
coacting grooves 212 and 213 in the support 214 below.
7. The apparatus as de?ned in claim 5, wherein said
Finally the crimped pad product of FIGURE 7 enters
conveyor
means comprises conveyor belts movable in
the station shown in FIGURE 8 wherein the support 215
parallel opposed paths and spaced apart in back to back
underlies the pad 203 except at the crimped ends, and the
relation by a distance that is smaller than the uncom
crimped sections are compressed horizontally between the
pressed
diameter of said rolls whereby said rolls being
side edges of the support and motor driven beading
advanced between said belts are compressed along their
rollers 216 and 217 that rotate on parallel vertical axes.
longitudinal axes.
This closes the crimped edge areas and ‘forms compressed
8. In an apparatus for combing the edges of metallic
edge beads 218 and '219 on the pad. During the beading
wool rolls, a plurality of opposed spaced apart rotatable
operation, it is preferred to compress edge areas of the
combing members, means for continuously advancing said
pad just inwardly of each crimped edge by motor driven
rolls in succession between said combing members so
holding rollers 221 and 222 as shown, which feeds the
that the ends of said rolls engage said combing members,
pad along the beading path.
means for rotating said combing members to comb the op
Obviously other conventional methods of beading the
posite edge areas of said advancing rolls substantially at
pad ends may be equivalently employed.
right angles to the longitudinal axes thereof to produce a
The invention may be embodied in other speci?c forms
ragged combed ?nish on the open ends thereof and means
without departing from the spirit or essential character
for compressing said advancing rolls transversely of the
istics thereof. The present embodiment is therefore to be
longitudinal axis thereof to restrain movement of said
considered in all respects as illustrative and not restric
rolls relative to said advancing means.
tive, the scope of the invention being indicated by the
9. The apparatus as de?ned in claim 8, wherein said
appended claims rather than by the foregoing descrip
combing members comprise wire brushes rotatably
tion, and all changes which come within the meaning and
product.
range of equivalency of the claims are therefore intended
to be embraced therein.
What is claimed and desired to be secured by United
States Letters Patent is:
mounted on axes which intersect the axes of said wool
rolls substantially at right angles.
10. The apparatus as de?ned in claim 8, wherein the
1. In an apparatus for combing the opposite edges of
advancing and compressing means comprise a pair of
continuous conveyor belts movable in unidirectional par
metallic wool rolls, means for advancing said rolls be— ’
tween two spaced ‘apart stations, and means intermediate
a distance which is less than the uncompressed diameter
said stations for transversely combing the edge areas
of said advancing rolls to produce a ragged combed ?nish
on the open ends thereof.
2. In an apparatus for combing the edges of metallic
wool rolls, means for advancing said rolls between two
allel spaced apart paths, said belts being spaced apart by
of said rolls by a preselected magnitude.
11. ‘In an apparatus for combing the edges of ?brous
metallic wool rolls, a plurality of opposed spaced apart
wire brush wheels rotatably mounted about parallel
spaced apart axes, a continuous conveyor belt extending
between said wire brush wheels and movable along a path
substantially parallel to the axes of said wire brush wheels
of said rolls relative to said advancing means and means
for continuously conveying said wool rolls between said
located on opposite sides of said advancing means in
termediate said stations for combing the edge areas of 60 wheels at right angles to the axes thereof, said wheels
being spaced apart by a predetermined distance to engage
said advancing rolls to produce a ragged combed ?nish
the open edge areas of said rolls, means for rotating said
on the open ends thereof.
3. In an apparatus for combing the edges of metallic
wheels to comb the ?bers forming the edge areas of said
wool rolls having metallic ?bers rolled on a longitudinal
rolls to produce a ragged combed ?nish on the open ends
axis, a plurality of opposed spaced apart rotatable comb 65 thereof, and a second conveyor belt movable in a path
ing members, means for ?atly squashing and continuously
opposed and parallel to the said ?rst conveyor belt, said
spaced apart stations, means for restraining movement
advancing said rolls between said combing ‘members, said
combing members being positioned to operatively engage
belts being uniformly spaced apart in back to back rela
tionship by a distance that is less than the diameter of
the ends of said rolls and means for rotating said cornb
the
uncompressed rolls by a selected magnitude whereby
ing members to comb the ?bers of said rolls at substan 70
said
rolls being advanced therebetween are compressed
tially right angles to the axis thereof to produce a ragged
by a predetermined magnitude along their longitudinal
combed ?nish on the open ends thereof.
axes so as to restrain said rolls against movement relative
4. In apparatus for combing the edges of metallic wool
to said belts.
rolls composed of a mass of tangled metallic ?bers, at
12. The apparatus as de?ned in claim 11, wherein said
least one pair of combing members rotatably mounted
3,024,069
conveyor belts are adjustable relative to one another for
varying the distance therebetween.
13. The apparatus as de?ned in claim 11, wherein said
wire brush wheels are individually adjustable relative to
said belts to vary the degree of the combing of said rolls.
14. The method for producing a combed ?nish on the
open ends of metallic wool rolls comprising continuously
advancing said rolls transversely of their longitudinal
10
combing the edge areas of the rolled section to produce
ragged combed edge areas and beading the open ends of
said rolled section after the edge areas are thus combed.
17. In apparatus for producing a metallic wool pad,
means for ?atly pressing and conveying along a path a
rolled section of said metallic wool with the opposite
edges of said section exposed at opposite sides of the
conveying means, and means disposed at least along one
axes in succession through a combing station, and comb
side of said path for laterally outwardly combing the
ing the opposite edge areas of said advancing rolls oppo 10 adjacent exposed edge area of said rolled section.
sitely outwardly in the direction of their longitudinal axes
to provide a ragged combed ?nish.
References Cited in the ?le of this patent
15. The method of producing a combed ?nish on the
UNITED STATES PATENTS
open ends of metallic wool rolls comprising gripping and
continuously advancing said rolls transversely of their 15
longitudinal axes through a combing station, and combing
the edge areas of said advancing rolls oppositely outward
ly as they are advanced through said station to provide
a ragged combed ?nish.
16. The method of producing a metallic Wool pad com 20
prising ?atly pressing a rolled section of metallic wool,
1,859,310
2,114,892
2,308,568
2,572,150
2,735,721
Martin ______________ __ May 24,
Vaughn ______________ __ Apr. 19,
Rogers _______________ __ Jan. 19,
Hood ________________ __ Oct. 23,
Rafferty _____________ __ Feb. 21,
1932
1938
1943
1951
1956
FOREIGN PATENTS
765,829
Great Britain _________ __ Jan. 16, 1957
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