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Патент USA US3040501

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June 26, 1962
3,040,491
v. K. VllTANEN
.METHOD OF‘ AND APPARATUS FOR HANDLING
CANS HAVING END BEADS
Filed March 25, 1959
4 Sheets-Sheet 1
INVENTOR
'
_
VEIKKO K. VIITANEN
In M
'
ATTORNEY
June 26, 1962
v. K. VHTANEN
3,040,491
METHOD OF‘ AND APPARATUS FOR HANDLI NG
v
CANS HAVING END BEADS
Filed March 25, 1959
4 Sheets-Sheet 2
78
/ql?
’ 111
ws6:?Q,,
I
24
28
INVENTOR
VEIKKO K. VIITANEN
“W‘wW
ATTORNEY
June 26, 1962
v. K. VIITANEN
3,040,491
METHOD OF AND APPARATUS FOR HANDLING
CANS HAVING END BEADS
Filed March 23, 1959
4 Sheets-Sheet 3
IO
INVENTOR
VEIKKO K. VIITANEN
‘Y W
ATTORNEY
June 26, 1962
v. K. VIITANEN
3,040,491
METHOD OF‘ AND APPARATUS FOR HANDLING
CANS HAVING END BEADS
Filed March 23, 1959
4 Sheets-Sheet 4
'8
14°
F'IE_E
l4
INVENTOR
VEIKKO K. VIITANEN
A'I'TO RNEY
“United? States
1
atent O C€
1
3,646,491
Patented June 26, I962
2
FIG. 4 is similar to FIG. 3 and illustrates the appa
s,04a,491
METHOD OF AND APPARATUS FOR HANDLING ‘
CANS HAVING END BEADS
Veikko K. Viitanen, Hoopeston, Ill.', assignor to FMC
~ ‘Corporation, a corporation of Delaware
Filed Mar. 23, 1959, Ser. No. 801,252
14' Claims. (Cl. 53-46)
ratus in a further advanced operational position.
'
FIG. 5 is an enlarged fragmentary elevation partly
in section showing several cans in rim locked condition.
FIG. 6 is an enlarged fragmentary elevation partly
in section showing cans positioned in accordance with
the teaching of the present invention.
'
The apparatus of the present invention is an improve:
The present invention appertains‘ in general to can
ment to the case loading machine fully disclosed in US.
casing machines and more particularly to a method of
Patent 2,650,009 of C. E. Kerr for Apparatus for Pack
preventing the interlocking of can end beads during can 10 ing Containers. The machine embodying the present in
casing operations and to apparatus for performing the
vention and the machine of the previously mentioned
method.
patent are constructed similarly and operate in a similar
The annular end seams or beads projecting from the
manner. Therefore, the patent mentioned above may be
sides of can bodies are a source of many problems dur
referred to for details of construction and operation of
ing certain can casing operations. In one such casing 15 the case loading machine presently disclosed. ‘
operation cans of the type mentioned are stacked in re
Cans 14 (FIG. 5) of the common cylindrical type and
clining position, one upon another and in juxtaposed
having ,end beads 16 (FIGS. 5 and 6) are delivered on
relation in the case or carton loading chute of a can
end to the case loading machine 17 (FIG. 1) where tiers
casing machine. Each can stack comprises one tier, and
18 comprising a predetermined number of cans arranged
20
a plurality of such tiers may be required to ?ll a ship
in rows are successively assembled at a tier pickup sta
ping case or carton. ‘ A plurality of such stacks or tiers
tion 20. After the assembly of each tier 18, it is picked
are collected in the chute with the‘cans of adjoining
up by transfer arms 22 of a rotary turret 24 moving in
stacks in end-to~end relation and extending lengthwise of
the direction of the arrow 26 (FIG. 1) and deposited
the chute. A case of the top opening variety and of ap
in a case loading chute 27 as indicated at 18'. It will
propriate size and shape to hold one or more tiers is 25 be noted that each tier 18’ in the chute 27 is disposed on
located in can receiving position about the discharge end
one edge of the tier, i.e., turned through approximately
of the chute. The ‘case is then ?lled by advancing all
90° in a clockwise direction (FIG. 1) from the position
the cans lengthwise in the chute until the correct num
of the tier at station 20, so that the cans are reclining.
ber of tiers have been pushed from the chute into the
When thus arranging tiers of cans successively in a
30
case to ?ll the same. '
‘
loading chute by previously known apparatus, the condi
While ?lling the chute with cans the rims or beads at
tion known as “rim lock” frequently develops. This
the ends of some of the cans in one tier frequently catch
condition of cans within a loading chute is illustrated in
over and become interlocked with the beads of adjacent
FIG. 5, which shows parts of two adjoining tiers
cans in an adjoining tier in a manner known in the trade
18a-18b of cans in a loading chute 27a. Each tier 18a
, as “rim lock.” Since the cans, at the time of the casing 35 and 18b consists of several superimposed rows extend
operation are ?lled with a product and are rather heavy
the interlocked cans cannot readilybe separated. Addi
tionally, the cans are under pressure exerted endwise
ing transversely of the chute. One can 14a in the next
to the lowest row in the tier 18a has been displaced
within the chute 27a rearwardly with regard to the direc
tion‘of can'advance, and the corresponding can 14b in
thereupon, and this is another factor that makes it di?i
cult to separate cans in rim-locked interengagement. If
this rim locked condition exists between the cans of the
the following tier 18b has been similarly displaced. Con
sequently, the bead 16a at the trailing end of the can
14a has become lodged behind the beads 16c and 16d
at the leading ends of cans 14c and 1401, respectively,
tier last to enter a ?lled case and the cans of ‘the ad
joining tier remaining in the chute, removal of the ?lled
case from the chute is seriously hindered. Cans will be 45 beside the can 14b in the tier 1812. Since the cans are
pulled from the case by cans in the chute interlocked
propelled through the chute 27a by pressure exerted from
therewith and/or from the chute as a consequence of '
behind, the can 14b presses forward against the can 14a.
their being interlocked with cans in the easel Thus, it is
Occasionally this causes the bead 16a of the can 14a to
evident that loading operations. are slowed by the prob
be gripped with considerable force between the beads
lems resulting from the interlocking of the end beads of 50 16b and 160 and between the beads 16b and 16d. How~
the cans.
ever, the principal‘ cause of di?iculty in separating two
An object, therefore, of the present invention is to
adjoining tiers such as those exempli?ed by tiers 18a and
provide an improved can casing machine.
18b in FIG. 5, is the lack of uniformity in the direction
Another object is to provide an improved can han
in which adjacent transverse rows are offset. Since the
dling method to prevent interference with separation of 55 can 14c is offset forward from the can 14b, its leading
adjoining tiers ‘by rim lock between the beads of cans
end overhangs the trailing end of the can 14a, and the
of the adjoining tiers during can casing operations.
'
bead 16a of the latter cannot readily be disengaged fromAnother object is to provide improved means in a can '
the bead 16d by raising the tier 18a relatively to ‘the tier
casing machine to prevent interference with separation of
18b. Similarly, the trailing end of the can 1411 over
adjoining tiers by rim lock between the beads of cans of
hangs the leading end of the can 14d, which interferes
60
the adjoining tiers.
with lowering the tier 18a relatively to the tier 18b to
These and other objects and advantages of the present
disengage the bead 1611 from the bead 160. Therefore,
invention will become apparent from the following de
when cans thus in a condition of rim lockiiare in adjoin- ,
scription and the accompanying drawings, in which:
ing tiers that must be separated from each other in the
FIG. 1 is a diagrammatic side elevation of a can ease
ing machine embodying the present invention.
FIG. 2 is an enlarged perspective of a portion of the
machine shown in FIG.,1 as viewed from above the
front of the machine and at one side.
FIG. 3 is a side elevation of a portion of the machine
shown in FIG. 1, and illustrates the apparatus in an ad
vanced operational position.
’
65
performance of a casing operation, di?'iculty arises from
the tendency for the can 146': to be pulled out of the tier
18a or for. one or both of the cans 14c and 14d to be
pulled out of their tier 18b.
The present invention avoids interference with separa
tion of adjoining tiers as a consequence of rim lock be
tween a can in one tier and one or more in the other
tier. In accordance with the present invention, as each
3,040,449 1
3
tier 18’ enters the chute 27, each transverse row of the ’
tier is moved into an offset position with respect to the
_ next lower row in a manner to be fully explained here
4
against the same by a retaining strip 65 to positively re
tain the ?nger surfaces 46 in vertical position. During
this time the can ends de?ning one face of the tier 18'
inbelow. Such offsetting of the rows is uniform, i.e., all
engaging the surfaces 46 are transversely aligned.
rows (except the lowermost row in each tier) are offset
the same distance from the respective next lower rows,
1) carried by the carrier 420 is deposited into the chute
an upper row with respect to the next lower row is for
is ?xed to the frame 28.
While the surfaces 46 are vertical the tier 18’ (FIG.
27 on the ?oor 78 thereof and advanced therealong a
and in the same direction. The distance of such off
certain distance. Advancement of the tier 18' by the
setting is at least as great as, and advantageously is slight
assembly 42c is stopped (FIG. 3) by engagement of the
ly greater than, the thickness of a can bead measured
parallel to the axis of the can, and, in the illustrated em 10 associated follower roller 58 with the camway 66 of a
cam 67. The cam 67 is located adjacent the cam 60 and
bodiment of the invention, the direction of offsetting of
During continued advance of '
the turret 24, beyond the position shown in FIG. 3, the
cam 67 effects pivoting of the assembly 420 in a counter
clockwise direction relative to the turret 24 so that the
15
After a plurality of can stacks or tiers 18’ are collected
?ngers 44 are moved out of engagement with the cans
in the chute 27, the case ?lling operation is performed.
14 deposited on the chute floor 70 (FIG. 4). As a
Referring in particular to FIG. 1, the case loading
result,
the carrier 42c is moved downwardly below the
machine 17 has a frame structure 28, only a fragment
chute 27 without disturbing the position of the cans
of which is shown. The turret 24 comprises two hori
zontally spaced spider members 30 (FIG. 2) ?xed to a 20 therein.
The chute floor 70 comprises an elongate can support
horizontal shaft 32 (FIG. 1) extending transversely of
ward, i.e., in the direction of can advance within the
chute 27.
the machine and journalled in opposite parts of the
plate located below the highest point in the travel of the
Each spider member 30 has three
thumbs 48 of the can carriers 42 (shown in phantom in
members 30 are positioned at opposite sides of the ma
chine 17 with corresponding arms 34, 36 and 38 of the
is bolted or otherwise ?xed to a base 72 (FIG. 2), is at
rods 40 pivoted in the arms 36——36. Each rod 40 car
the machine 17 at an angle of about 5°. The front end
frame structure 28.
FIG. 1) and toward the rear of the machine in the path
radially extending arms 34, 36 and 38 of equal length and
of the can carrier assemblies. The ?oor plate 70, which
25
spaced apart equal angular intervals. The two spider
tached by bolts 74 to opposite frame members 75 (only
one of which is shown in FIGS. 1, 2, 3, and 4) of the
two spiders in alignment with each other (FIG. 2). A
frame structure 28 for vertical angular adjustment about
pivot rod 40 extending in parallel relation to the shaft 32
is journalled in the outer ends of each two cooperating 30 a transverse axisj As shown in FlGS. 1, 3 and 4 the can
support plate 70 is inclined upward toward the rear of
arms as illustrated in FIG. 2, which shows one of the
ries four of the transfer arms 22, one for each row of
cans 14 which extends vertically in a tier 18' in the load
of the plate 70 (FIG. 2) has longitudinal, open ended
slots 76 through which the transfer arms 22 pass so that
the carriers 42 can deposit the tiers of cans carried there
ing chute 27, as shown in phantom in FIG. 2. Four
by onto the chute. Upstanding side walls 78 (FIG. 2)
transfer arms 22 ?xed to one pivot rod 40 comprises a
are secured to the frame structure 28 at each side of the
can carrier assembly, the three can carrier assemblies
can support plate 70 to con?ne the cans to the chute 27
being identi?ed by the numbers 42a, 42b and 42c, re
for
movement lengthwise thereof.
spectively (FIG. 1). Each transfer arm 22 of each car
Operation of the case loading machine is controlled
rier assembly 42 has an elongate transfer ?nger 44 pro 40
by a program clutch 80 (FIG. 1) so that the turret 24
vided with a straight can aligning surface 46 which faces
can be rotated intermittently. The drive or input end
upward when the associated carrier assembly 42 is at the
(not shown) of the clutch 80 is ?xed to a transverse
pick-up station 20. The surfaces 46 of each carrier are
countershaft 82 journalled in the frame structure 28.
in'a common transverse plane and are engaged by one
The shaft 82, during operation of the machine, is driven
end of each of the cans 14 of a tier carrier thereby. A
continuously by a motor (not shown) having a drive
retaining thumb 48, projecting from each ?nger 44 at a
belt 84 trained around a sheave 86 ?xed to the shaft 82.
right angle to the surface 46 and in the direction of
A sprocket chain 88 operatively connects a sprocket 90
turret movement, holds the cans carried by the ?nger
?xed on the driven end (not shown) of the program
from sliding radially inward of the turret 24 during opera
clutch 80 with a sprocket 92 keyed to the turret shaft 32.
tion thereof. The thumbs 48 of each carrier assembly
The clutch 80 is of a single revolution type and is nor
42 are aligned transversely of the machine 17 to hold
mally held with the driven end out of engagement with the
the cans of each transverse row in alignment. One end
shaft 82 by a clutch dog 94 so that the turret 24 is at rest.
of each pivot rod 40 has a bell crank 50 ?xed thereto
A
solenoid 96 is provided to temporarily withdraw the
for rotary movement with the rod. The arms 52 and 54
clutch dog 94-‘ from the clutch 80 to permit its driven end
of each bell crank 50 are provided with cam follower
and the sprocket 90 to make a single revolution when the
rollers 56 and 58, respectively.
solenoid
96 is energized. For this purpose, the armature
A stationary cam plate 60 for controlling the action of
98 of the solenoid 96 is pivotally connected to one end of
the carrier assemblies 42a, 42b and 420 is ?xed to the
a suitably mounted bell crank 100 connected to its op
frame structure 28 in such a location as to be contacted
by the‘rollers 56 on the bell cranks 50. One camming
surface 62 of the cam 60 (FIG. 1), when engaged by
one of the rollers 56, holds the associated carrier assem
bly 42 with the can aligning surfaces 46 thereof sub
stantially radially of the shaft 32 during the transfer of
the tiers 18 from the station 20 part way to the chute 27.
Another camming surface 64 encountered by each of the
follower rollers 56 as it leaves the surface 62, disposes
the associated carrier assembly 42 with its surfaces 46
substantially vertical as shown in the phantom and the
full line positions of the carrier assembly 42c (FIG. 1).
In this way, the tier 18 is turned 90° from the horizontal
arrangement in which it was assembled, to a vertical ar
rangement, wherein the cans 14 thereof are lying on
their sides, as indicated at 18’ (FIGS. 1, 3 and 4). Each
posite end to the clutch dog 94. A restore spring 102,
coiled about one end of the clutch dog 94 urges the same
into position to stop the driven end of the clutch 80 after
the same has made one full turn (FIG. 1). Means such
as a normally open, foot operated switch 104 (FIG. 1)
in the electrical control system (not shown) of the ma
cléine 17 is provided to close the circuit of the solenoid
9 .
Toward the end of one cycle of operation, when the
can carrier assembly 42c reaches the phantom position
(FIG. 1) the can aligning surfaces 46 thereof are vertical.
At such a time the tier 18' carried by the carrier 42c is
on edge and over the chute ?oor 70 with the leading ends
of the cans 14 in the bottom transverse row thereof ready
to make ?rst contact with the inclined can support plate
roller 56, while engaging the camming surface 64, is held 75 70. As movement of the carrier assembly 420 continues
5
3,040,491
from the phantom to the full line position (FIG. 1) the
tier 18’ is moved downward onto the ‘upwardly inclined
chute ?oor 70. When approaching the full line position
(FIG.1) the tier 18' is fully lowered until both ends of
the cans at the bottom. of the stack are supported by the
inclined plate 70. This action causes all the cans of the
tier to be tilted upward (FIG. 1) at their leading or down
stream, ends. All the cans of the tier, however, continue
to engage the abutment or can aligning surfaces 46 with
6
“The forwardly oifset relation of the beads at the lead
ing ends of all cans in the tier then remaining at the dis
charge end of the loading chute 27, with respect to the
beads ‘at the trailing ends of all cans in the tier in the
loaded case 110 is illustrated in FIG. 6. This relation
ship makes it possible forthe cans of these two tiers to
be separated from each other without consequential dis
placement of any can from either tier. In other words,
the beads 16 at their trailing ends during the tilting action. 10 due to the fact that all superimposed transverse rows of
cans in each tier are o?set in the same axial direction the
In this way each transverse can row (except the lower
beads 16 of laterally adjacent cans in adjoining tiers can
most) in the tier is offset from the next lower row in the
not interlock. Therefore, at no time is it possible for
direction of can advance within the loading chute 27.
cans to be pulled from the case and/ or from the loading
This uniformly olfsetrelation of the cans 14 of super
imposed rows in each tier spaces the lowermost parts of
the bead 16a (FIG. 6) at the leading ends of the cans Me
in each transverse row (except the lowermost row) in one
chute due to rim lock when removing a ?lled case in the
manner mentioned. Thus, the cans in the ?lled case are
readily separated from the cans remaining in the chute
27, and the ?lled case can easily be removed and routed
tier 18a far enough forward to receive loosely therebe
to other equipment such as a case closing machine.
hind the uppermost parts of the beads 16)‘ at the trailing
The cycle in progress during ?lling of the case 110* con
ends of the cans 147‘ in the next lower transverse row in 20
tinues and is completed after removal thereof. Further
the tier 18]‘ immediately in advance of said one tier 182.
advance of the carrier assemblys42c, beyond the FIG. 3
» Therefore, even though beads of certain caiis of one tier
position, vbrings the follower roller 58 into a down-,
are disposed behind beads of certain cans of a following
wardly inclined portion 114 (FIG. 4) of the camway 66
tier, the uniformity of such bead relationship permits in
as the follower roller '56 moves from between the cam
stantaneous separation of said tiers by lowering the lead—
,ming surface 64 and theretaining strip 65. The con
ing tier slightly before moving the same forward from
tour of the camway 66 is such that the carrier assembly
the next following tier. 'As a result, the cans of adjoin
420 is pivoted in a counterclockwise direction (FIG. 4)
ing tiers are so disposed that their beads cannot become
‘away from the cans 14-‘ of the tier 18-’ deposited thereby in
interengaged in such a manner as to cause consequential
the chute 27. The. cycle continues until the tier at the
displacement of, any of the cans of either tier as a result
of rim lock when one tier is separated from the other.
pickup station 20 is raised by the carrier 42a and deposited
in the chute 27 in the position of the last tier 18' to arrive
in the chute 27 (FIG. 1) with the cans offset as previously
described. This movement of the turret 24 advances all
the cans in the chute 27 preparatory to the next case ?lling
Let it be assumed that the chute 27 (FIG. 1) is ?lled
with tiers 18’ having the horizontal rows of cans 14 thereof
offset in an axial direction in accordance with the teach
ings of the present invention and that a case of the top
opening type capable of holding one tier 18' is to be
?lled with cans. The tier 18' last deposited 'on edge in
the chute 27 by the carrier 420, has advanced all the pre
ceding tiers 18’ in the chute until the cans of the leading
tier 18' project a short distance therefrom beyond the 40
dischargerend of the support plate 701 (FIG. 1). This
condition of the cans in the chute- and the position of the
tier 18' ‘at the discharge end of the chute 27 illustrate the
condition existing between successive cycles of operation
operation and brings the carrier 42bv into position be
neath the pickup station 20.
The carrier assemblies 42 are successively controlled
by the cam 66 and the camway 66 during successive
cycles of operation in the manner described in connec
tion with the assembly 420. The other can carriers 42a
and 4212 each perform similarly to the can carrier 42c
and in so doing each deposits a tier of cans in the in
clined chute 27 and advances all the tiers therein a cer
tain increment. It will be understood that cases of the
of the machine. A shipping case 110 of correct size is
put in place about the discharge end of the chute 27 (FIG. 45 top opening variety holding more than one tier can be
?lled by use of the machine 17 by repeating the described
1). The tier 18 at the pickup station 20 isready to be
cycle While a case remains in receiving position with
picked up by the can carrier 42a upon operation of the
relation to the chute 27.
turret 24. While the case 110‘ is held in place, the oper
An embodiment of the present invention wherein the
ator closes the switch 104 to momentarily energize the
can engaging surfaces 46 and the can support plate 70
solenoid 96 and thereby actuate the clutch 80 to drive
of the loading chute 27 form an acute angle has been
the turret 24 in the direction of the arrow 26 through
shown
and described. It is to be understood that inter
one-third of a revolution. During the early part of this
fcrence with separation of adjoining tiers by rim lock
cycle, with the cans 14 of all of the tiers 18' in axially
can as well be prevented when the ?oor plate 70 andv
offset relation and fully supported‘ by the plate 70, the
the can aligning surfaces 46 of the carrier assemblies 42
can carrier 42c advances, from the fullline position (FIG.
form an obtuse angle, i.e., by tilting the floor plate '74)
1) to the position shown inVFIG. 3. The can aligning
downward rather than upward as above described. In
surfaces 46'of the carrier 42c remain vertical during
such case, the ?lled cases can easily be removed by lift
such movement due to continued engagement of the fol
ing them slightly, rather than by lowering them.
lower roller 56 with the camming surface 64. Before the
The present invention is not to be limited to use with
roller 56 passes beyond the camming surface 64 the fol 60 cylindrical cans since it can be successfully employed in
lower 58 on the bell crank arm 54 associated with the
handling end beaded cans of non-circular shape.
carrier 42c enters the camway 66 and moves to the. lower
While a particular embodimnet of the present invention
end of a downwardly curved portion 112 thereof as
has been shown and described, it will be apparent that
shown in FIG. 3, which is so contoured that the associ
the method and apparatus of the present invention are
ated can aligning surfaces 46 continue to remain vertical. 65 capable of modi?cation and variation without departing
Thus, all the tiers 18’ are advanced in the chute and the
from the principles of the invention and that the scope
tier 18' at the discharge end of the chute 27 (FIG. 3)
of the invention should be limited only by the scope and
is advanced from the chute and into the case 110' to ?ll
proper interpretation of the claims appended hereto.
the same. The ?lled case 110 is next taken away from
The invention having thus been described, What is
the chute 27 (FIGS. 4 and 6) by lowering and pivoting
believed to be new and desired to be protected by Letters
the case 110 in a clockwise direction. In lowering the
case the cans therein are immediately moved downward
(FIG. 6) out of contact with the cans in the tier at
Patent is:
the discharge end of the chute.
\
1. In apparatus for handling cans having peripheral
laterally projecting end beads, an inclined case loading
chute for supporting stacks of cans with the axes of the
75 cans extending lengthwise of the chute, means mounted
3,040,491
7
8
6. In a can casing machine, a can carrier movable
adjacent the case loading chute for lowering a can stack
edgewise into stack supporting relation on the case load
ing chute, and vertical can aligning means on the stack
along a certain path, said can carrier being arranged to
support a stack of cans in side by side relation, can
carrier moving means operable to move said can carrier
downward in said path, said can carrier having a surface
lowering means engageable with corresponding ends of
the cans of the stack for holding each can against end
engaging and aligning corresponding ends of the cans
wise movement in one direction whereby upon engage
of the stack and disposed at a particular angle during
ment of the bottom of the stack with the case loading
downward movement of said can carrier, a can support
chute the cans of the stack are pivoted vertically to uni
plate
extending obliquely with respect to said can align
formly offset each can with respect to a next vertically
ing surface when the same is disposed at said particular
10
adjacent can.
angle, and means mounting said can support plate for
2. In a case loading machine, .a case loading chute
angular adjustment, said can carrier being arranged to
having a ?oor plate for slidably supporting within the
bring the bottom of the can stack against the support
chute a plurality of stacks of end beaded cans disposed
plate while the carrier is moving downward to pivot ver
on their sides with the cans of adjoining stacks in axially
tically all of the cans of the stack in engagement with
aligned end to end relation, and can pusher means en 15
the aligning surface of the can carrier and thereby offset
gageable with corresponding ends of the cans in one
each can of the stack with respect to a next vertically
stack and operable to advance all the stacks on the ?oor
adjacent can.
plate, said floor plate and said can pusher means having
7. In a machine for easing end beaded cans, a turret
a set inclination with respect to each other during ad
vancement of cans in said chute thereby retaining all 20 journalled for vertical rotation, a can carrier secured to
the turret for advancement thereby in a predetermined
path of travel, a case loading chute having a can sup
the cans in all the stacks uniformly axially offset from‘
all vertically adjacent cans to prevent interference with
separation of the stacks by rim lock between the beads
of cans in adjoining stacks.
porting ?oor intersecting said path, a drive connected to
the turret to turn the same and advance the can carrier
from a pickup station to a discharge location in the case
loading chute to transfer a tier of cans from the pickup
3. In a can casing machine, a case loading chute hav
ing a ?oor plate for supporting cans for movement there
station to the loading chute, ?rst control means engaging
along, said floor plate being inclined upward toward
the discharge end thereof, a movable can carrier for sup
porting a stack of cans lying on their sides with their
axes horizontal, said can carrier having a vertical surface
engaging all the cans in the stack at the ends thereof
remote from said end of the ?oor plate, and means con
nected to the can carrier for moving the same downward
the can carrier for holding the same in a ?rst position
with respect to the turret to receive the tier thereon at the
the can carrier at their other ends to uniformly offset
all the cans of the stack with respect to a next vertically
adjacent can.
disposed on edge on the carrier whereby as the tier is
deposited by the can carrier onto the chute floor the cans
of said tier are pivoted vertically against the can aligning
means into inclined positions relative to the aligning
means to offset each can of the tier endwise with respect
to a vertically adjacent can.
pickup station, second control means engaging the can
carrier prior to arrival thereof at said discharge location
for moving the can carrier with respect to the turret from
said ?rst position to a position wherein the tier is dis
posed on edge on the carrier, and can aligning means on
obliquely toward said end of the floor plate and toward
the floor plate for bringing the bottom of the stack into 35 the can carrier engaging one end of each of the cans
while the tier of cans is disposed on edge on the carrier,
engagement with the inclined ?oor to tilt all the cans
said loading chute ?oor being inclined at an acute angle
of the stack upward at the ends thereof toward said end
with said can aligning means when the tier of cans is
of the floor plate while engaging the vertical surface of
4. In a can casing machine, a can carrier movable
along a certain path, said can carrier having a can align
ing surface engaging and transversely aligning ends of
8. In. a machine for easing end beaded cans, a turret
journalled for rotation about a horizontal axis, a can car
rier secured to the turret for advancement thereby in a
the cans of a stack of cans in reclining positions on the
carrier, a case loading chute having a floor plate extend
ing lengthwise of the path for supporting stacks of cans
predetermined path of travel, a case loading chute having
deposited thereon by said can carrier, and means engag
ing the can carrier for disposing said can aligning surface
at a particular angle and for moving the same down
ward together the ?oor plate to bring the bottom of said
stack of cans against the ?oor, said can aligning surface
of the can carrier and the ?oor plate being inclined with
respect to each other when said aligning surface is dis
posed at said particular angle, to pivot vertically the cans
engaging said can aligning surface to thereby uniformly
offset each of said cans with respect to a next vertically
adjacent can.
Y
5. In a can casing machine, a can carrier movable
along a certain path, said can carrier having a can align
ing surface engaging and aligning transversely the ends
of the cans of a‘ stack of cans on the carrier, said cans
a can supporting ?oor located in said path, a drive con
nected to the turret to turn the same and advance the
can carrier from a pickup station to a discharge location
in the case loading chute to transfer a tier of cans from
the pickup station to the loading chute, ?rst control means
engaging the can carrier for holding the same in a ?rst
position with respect to the turret to receive a tier thereon
at the pickup station, second control means engaging the
can carrier prior to arrival thereof at said discharge loca
tion for moving the can carrier with respect to the turret
from said ?rst position to a position wherein the tier is
disposed on edge on the can carrier, can aligning means
60 on the can carrier engaging one end of each of the cans
while the tier of cans is disposed on edge on the carrier,
being in reclining positions, a case loading chute having
a floor plate extending longitudinally with respect to a
said loading chute ?oor being inclined at an acute angle
in said path portion to bring the bottom of the stack of
the ?oor of the loading chute while maintaining the offset
with said can aligning means when the tier of cans is dis
posed on edge on the carrier whereby as the tier is de
portion of the path for supporting can stacks deposited
on said floor plate by said can carrier, means for retain 65 posited by the can carrier onto the chute ?oor the cans of
the tier are pivoted vertically in engagement with the
ing said can aligning surface of the can carrier and the
can
aligning means into inclined positions relative to the
floor plate at a constant inclination with respect to each
aligning means to otfset each can of the tier endwise with
other when said carrier is moving along said path por
respect to a vertically adjacent can, and can pusher means
tion, and means for moving the can carrier obliquely
on said turret engaging the said one end of each of the
toward the ?oor plate and lengthwise of the ?oor plate 70 cans
to advance the tier longitudinally of the cans along
cans on the can carrier against the ?oor plate to pivot
each can of the stack into a uniformly offset position
with respect to a next vertically adjacent can and to ad
vance the stack along the floor plate.
condition of the cans in the tier.
9. In a machine for easing end beaded cans, a turret
75 journalled for rotation about a horizontal axis, a can car
3,040,491
rier secured to the turret to be advanced thereby in a
predetermined path, a case loading chute having a can
supporting ?oor adjacent said path, a drive connected to
the turret to turn the same and move the can carrier
from a pickup station to the case loading chute to trans
fer a tier of cans from the pickup station to the ?oor
-
10
ing the tiers of aligned cans in the chute to propel a pre
determined number of the tiers into a case.
12. The method of handling cans comprising succes
sively lowering’individual tiers of end beaded cans lying
on their sides in superposed relation with their axes hori
of the loading chute, ?rst control means engaging the can
zontal, vertically aligning all the cans of each of said tiers,
the tier carried thereby is disposed on edge with the cans
other, thereafter during the downward movement of each
aligning means and said chute ?oor being in inclined
relation with respect to each other when said can aligning
means is disposed at said certain angle, whereby each can
of the tier upon engagement thereof with said ?oor is
moved endwise and is o?fset with respect to any vertically
adjacent can.
in end¢to-end relation with the cans of the preceding tier.
13. The method of handling cans comprising succes
arresing all the ends of the cans at one face of each tier
carrier to hold the same in a ?rst position with respect to
While continuing downward movement of the opposite
the turret to receive a tier thereon at the pickup station,
second control means engaging the can carrier adjacent 10 ends of the cans thereof to tilt all of the cans in the tier
into inclined positions ‘and thereby uniformly o?set the
the loading chute for moving the can carrier with respect
Vertically aligned cans of the tier with respect to each
to the turret from said ?rst position to a position wherein
tier arresting downward movement of the other ends of
lying on their sides, and can aligning means on the can
carrier engaging one end of each of the cans and'arranged 15 the cans thereof to retain the cans of the tier with their
end beads spaced from each other, and advancing each
to be disposed at a certain angle during engagement of
succeeding tier with the cans thereof moving endwise and
said can carrier with said second control means, said can
sively lowering individual tiers of end beaded cans lying
on their sides in the tier, holding the cans of each suc
cessively lowered tier against endwise movement in one
direction, arresting downward movement of the ends of
the cans de?ning one face of each successively lowered
10. In a machine for casing end beaded cans, a turret
journalled for rotation about a horizontal axis, a can car 25 tier while continuing downward movement of the other
ends of the cans thereof to pivot vertically all the cans of
rier secured to the turret for advancement thereby in a
each stack and thereby to oifset each can of each tier
predetermined path, a case loading chute having a can
with respect to a next vertically adjacent can, thereafter
supporting ?oor adjacent said path, a drive connected to the turret to turn the same and move, the can carrier
' arresting the downward movement of the other ends of
from a pickup station to the case loading chute to trans 30 the cans to dispose the cans of each tier in axially 0&
set positions with their end beads spaced from each other
fer a tier of cans from the pickup station to the floor
in a direction parallel to the axes of the cans, and ad
of the loading chute, ?rst control means engaging the can
vancing each successively lowered tier of axially offset
carrier to hold the same in a ?rst position with respect to
cans in an axial direction ‘and in end-to-end relation with
the turret to receive a tier thereon at the pickup station,
second control means engaging the can carrier adjacent 35 the cans of a preceding tier.
14. The method of casing end beaded cans which com
the loading chute for moving the can carrier with respect
prises arranging on their edges in a case loading chute a
to the turret from said ?rst posit-ion to a position wherein
plurality of tiers of cans with the cans of each tier aligned
the tier carried thereby is disposed on edge with the cans
transversely in a predetermined plane and with the cans
lying on their sides, can aligning means on the can car
of adjoining tiers arranged in end-to-end abutting relation,
rier engaging one end of each of the cans and arranged
to be disposed at a particular angle by engagement of .40 the cans of each tier being inclined with respect to the
plane of alignment thereof whereby the vertically adja
said can carrier with said second‘ control means, said can
cent cans are o?set endwise with respect to each other
aligning means and said chute ?oor being inclined with ,
to space the end beads of vertically adjacent cans from
respect to each otherwhen said can aligning means is
disposed at said certain angle, whereby each can of the 45 each other longitudinally of the cans to prevent interfer
ence with separation of adjoining tiers by rim lock be
tier upon engagement thereof with said floor is moved
tween the beads of cans in adjoining tiers, and effecting
relative movement between the tiers of aligned cans and
the chute longitudinally of the cans to discharge a pre
along the ?oor of the loading chute while maintaining the 50 determined number of tiers of cans from the chute into,
a case.
endwise and is offset with respect to any vertically adja
cent can, and can pusher means on said turret engaging
the said one end‘ of each of the cans to advance the tier
‘ o?set condition of the cans in a tier.
11. The method of casing end beaded cans which com
prises arranging on their edges in a, case loading chute
a plurality of tiers of cans with the cans of each tier being
aligned transversely in a predetermined plane and the 55
cans of adjoining tiers being arranged in end-to-end abut
ting relation, the cans of each tier being inclined with
respect to the plane of alignment thereof whereby the
vertically adjacent cans are offset endwise with respect to
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,637,833
2,345,560
2,718,313
2,731,131
2,782,578,
2,809,484
each other to space the end beads of vertically adjacent 60
2,828,000
interference with separation of adjoining tiers by rim lock
2,857,721
between the beads of cans in adjoining tiers, and advano-'
cans from each other longitudinally of the cans to prevent
Mueller _____________ __ Aug. 2,
Albertoli _____________ .._ Apr. 4,
O’Neil _______________ __ Sept. 20,
51131111011 _____________ __ Jan. 17,
Madden ______________ __ Feb. 26,
Gentry _______________ __ Oct. 15,
192.7
1944
1955
1956
1957
1957
Herbert _____________ __ Mar. 25, 1958
Ardell et a1 ___________ __ Oct. 28, 1958
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