US3618550A - Method and apparatus for controlling the supply in a can end processing system - Google Patents

Method and apparatus for controlling the supply in a can end processing system Download PDF

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US3618550A
US3618550A US5540A US3618550DA US3618550A US 3618550 A US3618550 A US 3618550A US 5540 A US5540 A US 5540A US 3618550D A US3618550D A US 3618550DA US 3618550 A US3618550 A US 3618550A
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Prior art keywords
machine
gap
trough
level
control apparatus
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US5540A
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English (en)
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Wallace W Mojden
Norman J Chivas
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Fleetwood Systems Inc
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Fleetwood Systems Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2692—Manipulating, e.g. feeding and positioning devices; Control systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • monitoring means for detecting the level of the can ends in said gap.
  • Said monitoring means include first and second sensing units which detect the level of can ends at axially spaced locations in said gap, and adjust the output of said first machine and the rate of consumption of said second machine so that neither an oversupply, nor an undersupply of can ends of said second machine occurs.
  • the present invention relates to apparatus for handling can ends or the like. More particularly, this invention provides control apparatus for use with a can end handling system to regulate the transfer of can ends from one processing machine to another in said system.
  • the manufacture of can bodies has become a highly automated procedure, employing high speed manufacturing processes and requiring rapid transfer of articles from one work station to another.
  • the various processing machines for the can ends normally eject said ends in a continuous stream of stacked elements which then must be conveyed to the next adjacent work station in the system
  • the entire system may include various testing or assembling machines, as well as machines of of other known types which perform subassembly operations on the can ends prior to final assembly on the can bodies.
  • a good example of the subassembly type of machine is a machine which is tenned in the art Minster Press" which scores the can end and assembles a pull tab thereon, this type of can end being widely used by the beverage industry.
  • these can ends are transferred from station to station quite rapidly and almost always are supplied to the next succeeding station in the form of a continuous stream of stacked ends.
  • the conveyor means for the can ends do not include destacking operations but generally each instance of destacking is followed by a subsequent restacking procedure prior to delivery of the can ends to the next succeeding work station.
  • the present invention provides control apparatus capable of alleviating the oversupply problem in a manner superior to that of the prior art, while also assuring that a shortage or undersupply of can ends to the consuming machines does not result.
  • control apparatus comprising: means carried by a vertical trough section for engaging the can ends and retarding the flow thereof to the consuming machine to produce a gap in the stream of can ends being conveyed; and control means for monitoring the level of can ends in said gap, said control means being operably connected with said consuming and/or said supply machines to regulate the operation thereof as a function of the level of can ends in said trough in such a manner as to assure that neither an oversupply or an undersupply of can ends occurs.
  • FIG. I is a schematic illustration of a portion of a can end handling system embodying the present invention wherein the can ends are conveyed from one processing machine to another by conveyor apparatus;
  • FIG. 2 is a partial sectional view illustrating the general construction and operation of a power driven restacking device which delivers can ends to a vertically oriented trough having the control apparatus of the present invention operably associated therewith;
  • FIG. 3 is a sectional view taken along the line 3-3 of FIG. 2, in the direction indicated;
  • FIG. 4 is a sectional view taken along the line 4-4 of FIG. 2, in the direction indicated;
  • FIG. 5 is an enlarged sectional view taken along the line 5- 5 of FIG. 4 and illustrating how the control apparatus of the present invention functions;
  • FIG. 6 is an enlarged fragmentary sectional view of the spring-biased catch members of the present invention, which are employed to engage and retard movement of the can ends to define the control gap, and taken along the line 6-6 of FIG. 4;
  • FIG. 7 is a fragmentary sectional view taken along the line 7-7 ofFlG. 6;
  • FIG. 8 is a schematic illustration of a modified arrangement for the present invention where conveyor means alone control the rate of supply of can ends of the consuming machine.
  • FIG. 1 shows a portion of a can end handling system, which portion is designated generally 10 and employs control apparatus of the present invention.
  • the particular portion I0 is used to transfer can ends from a vertically oriented stack 12 that has just been processed at a first work station by a machine 16, and conveys said ends to a second work station defined by a machine 18.
  • the particular type of conveying means employed in transferring can ends from machine I6 to machine 18 is not critical to the present invention. However, for purposes of completeness of disclosure and understanding of the overall operation of a can end handling system and the problems involved, a brief discussion of the conveyor apparatus is given hereinafter.
  • the can ends are processed by the machine 16, which may be a Minster Press," as mentioned previously, a can end forming machine, or for that matter, any other type of machine employed in the processing of can ends.
  • the machine 16 expels the can ends 20 in a continuous stacked stream I2 which is vertically oriented, as shown.
  • the can ends 20 are removed from the stack I2 by destacking transfer apparatus 22 and delivered to a belt conveyor 24 in an unstaclted condition.
  • the can ends 20 are transported to apparatus 26 which restacks the can ends for supply to the machine 18, the can ends 20 being placed in face-toface engagement in a supply trough 23 which interconnects apparatus 26 with machine I8.
  • the configuration of trough 28 conforms substantially to the peripheral shape of the can ends 20, so that said can ends 20 will be maintained in a stacked relation.
  • FIGS. 2 and 3 the motorized or powered restacking apparatus 26 and its manner of operation are illustrated in detail.
  • the restacker 26 receives the can ends from the belt conveyor 24 and restacks them for supply to the machine I8 which may be in the form of a leak tester or any other can end processing machine.
  • the motorized restacker 26 includes an aerodynamic chamber or housing 30 which has the upper end segment of trough 28 positioned therein.
  • the housing or chamber 30 has a receiving opening 32 formed by the open end of a tubular portion 34 which, as illustrated, forms a portion of the trough 28.
  • said tube portion 34 is adapted to be connected with airevacuating means to facilitate the disposition of can ends in the open end 32 thereof.
  • a guide plate arrangement 36 is provided for directing the can ends 20 into alignment with the receiving opening 32.
  • the guide plate 36 is aligned with the discharge end of the belt conveyor 24 and receives the can ends 20 therefrom.
  • a driven belt 38 is provided for advancing the can ends along the length of guide plate 26.
  • the belt 38 is of an endless configuration being engaged over a roller 40 such that it contacts the can ends 20 along the lower reaches thereof. Said belt 38 is driven by a motor 42, FIG. 1, in the direction indicated, so that the can ends 20 will be positioned in direct alignment with opening 32 when they reach the far end of said belt.
  • Housing 30 includes an outlet portion or tube 44 which is associated with a high-volume fan or some other form of airevacuating means (not shown).
  • the upper end of the tube portion 34 includes a plurality of apertures 46 disposed radially and positioned slightly below the open end 32 thereof.
  • a can end 20 moves into alignment with opening 32, the stream of air provided by the air-evacuating means forces or pulls said can end downwardly into the tube portion 34.
  • can end drive means are provided, and designated generally 48.
  • the can end drive means 48 include a pair of spaced-apart, diametrically opposed gearlike members 50, best viewed in FIG. 3. These gearlike members 50 are mounted on spaced-apart shafts 52, each said shaft being carried on a pivotally mounted arm 54.
  • a motor 56 is operably connected to said gearlike members 50 by means of various sprocket gears and sprocket chain members, which are designated generally 58.
  • a pair of slots or openings 60 are formed in the wall of the tube 34 so as to partially receive the gearlike members 50 therein, with said members 50 extending inwardly of said tube portion 34 as shown in FIG. 3.
  • the gearlike members 50 include cogs or teeth 62 sized to receive can ends 20 therebetween.
  • the gearlike members 50 are rotated continuously by motor 56, so that upon entry into tube segment 34, the cogs 62 engage and grip the periphery of said can ends and force them axially downward, thereby providing a continuous stack thereof.
  • the mounting for the pivotal arms 54 is such that the gearlike members 50 are biased inwardly toward each other, which permits them to adjust and handle can ends 20 without the danger of clogging or otherwise fouling the continuous operation of the device.
  • the gearlike members preferably are formed of a plasticlike material having a specified degree of resiliency so as not to bend or otherwise distort the can ends.
  • control apparatus for handling an oversupply condition are known, although of an entirely different nature from the present invention.
  • said apparatus cannot effectively accommodate an underfeed condition.
  • control apparatus 70 which are designated generally 70, will now be discussed in detail in conjunction with FIGS. 4-7, and the lowermost portion of FIG. 2.
  • a catch member 74 is disposed in each said aperture 72. This disposition is effected by a pair of bolt members 76 which are connected to the segment 34 and extend through apertures 78 formed in the respective catch members 74, see FIG. 6.
  • Spring means in the form of coiled springs 80, coaxially mounted on bolts 76, are provided to bias the individual catch members 74 radially inward with said portion 82 extending into the interior of tube segment 34.
  • spring-biased mounting of catch members 74 they are free to move radially outward from the illustrated position.
  • catch members 74 are employed in conjunction with the illustrated embodiment, as seen in FIG. 4; however, this is but a preferred arrangement and more or less may be used.
  • the first can end falls through the tube segment 34, it will engage the inwardly extending portions 82 of said catch member 74.
  • the first can end 20 will not pass said catch member initially, such that the succeeding can ends form a stack 81 extending upwardly toward the drive members 50. Passage of can ends 20 past the catch member 74 will be precluded until the extent of the stack 81 reaches the drive means 50.
  • said drive means 50 continues to force can ends 20 inwardly onto the stack, there will be an increase in the pressure on the end portions 82 causing the catch members 74 to be biased radially outward against the force of springs 80.
  • This movement of the catch member 74 permits can ends to pass and fall into the lower region of the trough 28 to commence formation of a stack 81 to be consumed by the machine 18. Ideally, one can end at a time will pass said catch members 74; however, should several drop, no harm results.
  • FIG. 5 The conditions existing in the area of the control apparatus 70 during operation of the overall system are shown in FIG. 5. That is, there are provided two continuous stacks of can ends, 81 and 81', the former extending upwardly from the catch members 74 to the drive means 50, and the latter extending upwardly from the machine 18 toward said catch members 74.
  • the respective stacks 81 and 81' are separated by a gap 84 which will be discussed more fully and referred to hereinafter as the "control gap.”
  • the axial length or extent of control gap 84 will remain substantially constant. That is to say, the height of the stack 81' will not increase or decrease, obviously, stack 81 is of a constant height when ends 20 are passing through the control gap 84.
  • the rates of consumption and delivery vary, the height of stack 81' will increase or decrease as a function of this difference. More specifically, where the rate of consumption by machine 18 exceeds the rate of supply, stack 81 will decrease in height, with the opposite occurring when the rate of supply exceeds the rate of consumption.
  • control gap 84 It is desirable to maintain the axial length of the control gap 84 at a value that is less than one-half the diameter of the can ends 20. This assures that said can ends 20 will not turn over as they fall through said gap. Also, considering the condition shown in FIG. 5, it can be appreciated that if the length of control gap 84 is maintained at a selected value, an adequate supply of can ends for machine 18 is assured, and there exists no danger of an oversupply.
  • control apparatus 70 of the present invention further include monitoring or detecting means 90.
  • Said means 90 monitor the level of stack 81' in control gap 84 and are connected with machines 18 and 16 to adjust and coordinate the operations thereof.
  • detecting means 90 include a pair of diametrically opposed elongate slots 92 formed in the wall of the tube segment 34 and extending downwardly from the apertures 72.
  • a first sensing unit designated generally 93 and comprised of an emitter source of radiant energy 94 and a receiver 96. Said emitter and receiver, 94 and 96, are positioned in alignment with the slots 92, as shown in MG. 5, such that a beam of radiant energy 98 may be established through the control gap 84.
  • a second sensing unit, designated generally 93 is defined by an emitter and receiver 100 and 102, respectively.
  • Unit 93 is axially spaced from sensing unit 93 at a location below said unit, the spacing therebetween being approximately equal to one-half the diameter of can ends 20.
  • the emitter and receiver, 100 and 102, of the second sensing unit 93' are disposed in alignment with slots 92, and are capable of establishing a second beam of radiant energy 104 through said control gap 84.
  • the first sensing unit 93 is operably connected to the machine 16, such that the output of the receiver 96 provides a control signal for said machine 16.
  • the second sensing unit 93' is coupled with machine 18 so that the output of receiver 102 provides a control signal for said machine.
  • connection of unit 93 with machine 16 is such that when beam 98 exists and falls on receiver 96, the control signal emitted will produce the maximum or optimum operating rate for said machine.
  • the output or control signal from receiver 96 is such that the operating rate of machine 16 is reduced, or for that matter, machine 16 may be deenergized completely.
  • unit 93' and machine 18 The relationship between unit 93' and machine 18 is generally similar to that discussed above. However, upon the interruption of beam 104, which occurs when the level of stack 81' extends into control gap 84, the output of receiver 102 is applied to machine 18 to produce the optimum operating rate. When the level of stack 81' falls below unit 93' and beam 104 is established, the control signal from receiver 102 will reduce the operating rate of machine 18.
  • stack 81 When an oversupply condition exists, viz, rate of consumption of can ends 20 below the rate of supply, stack 81 will gradually increase. Clearly, the only danger in this instance exists when gap 84 is eliminated, and stacks 81 and 81' merge, thus permitting a buildup in the pressure exerted by the can ends in trough 28. However, before the respective stacks 81 and 81 merge, stack 81' will interrupt beam 98. When this happens, machine 16 is deenergized or otherwise controlled to reduce the rate of supply of can ends 20 to trough 28 to a level below the rate of consumption of machine 18.
  • the level of stack 81' will decrease until beam 98 is reestablished It should be noted that even after beam 98 is established, the level of stack 81 may continue to fall for a period of time. This is occasioned by the fact that machine 16 will have to go through a period of acceleration before reaching the previously normal operating speed.
  • the portion 82 of the catch member 74 which extends into the interior of trough 28, includes a plurality of ribs or protuberances 110.
  • the protuberances 110 are designed to grip or receive the edges of the can ends 20 therebetween, such that a plurality of said can ends 20 will be engaged by the respective catch members 74 at all times.
  • FIG. 8 a modified form or arrangement of the abovediscussed invention is shown. Since many of the elements employed in this embodiment are identical to those previously discussed, like reference characters will be employed.
  • conveyor apparatus 120 is used to supply can ends 20 to the consuming machine 18.
  • apparatus 120 is of the general type mentioned previously which may employ drive motor disabling means to accommodate conditions of oversupply to machine 18. Accordingly, the control apparatus 70 need only be employed to handle situations where an undersupply exists; however, this does not preclude the joint use of the drive motor disabling means of the apparatus 120 and control apparatus 70 for overload conditions.
  • the aforementioned drive motor disabling means for apparatus 120 may be disconnected, or eliminated, and only the control apparatus 70 used to accommodate oversupply conditions.
  • the conveyor apparatus 120 includes a frame 124 which is adapted to accommodate can ends 20 being supplied from a source, not shown, for conveyance to machine 18.
  • the can ends 20 are moved along the length of the frame 124 by means of a plurality of driven belt members 126 which are of the endless type and engaged over rollers 128, as shown in phantom in FIG. 8.
  • the can ends 20 will move along the length of frame 124 in the direction indicated by arrow 130 to the discharge end thereof where they are directed by an end roller 132 into trough 28.
  • a drive motor 134 is provided for the conveyor 120, which motor is operably connected to both the rollers 128 for the belt members 126 and the end roller 132 by a series of sprocket gears and sprocket chains.
  • conveyor 120 includes a control switch assembly N that is in circuit with the drive motor 134, and is positioned for actuation by a cam member 142 carried on the reciprocally mounted idler gear 138.
  • the supply of can ends 20 to trough 28 is terminated until such time as the tension in the lower reach 136' of said endless sprocket chain 136 is relieved to permit the reciprocal sprocket gear 138 to move back to the normal operating position, thus again permitting the drive-motor 134 to be energized.
  • control apparatus 70 of the embodiment of FIG. 8 it will be seen that a tubular segment 34 is coupled with the trough 28 so as to define a portion thereof.
  • the disposition of the control means 70 in this embodiment is identical to that as discussed with regard to FIG. 5, and is incorporated herein by reference, such that a further detailed description is deemed unnecessary.
  • sensing means 93 also may be operably coupled with the drive motor 134 for the conveyor apparatus such that the interruption of beam 98 deenergizes said motor.
  • the previously discussed disabling means for the apparatus 120 may be eliminated or rendered inoperative and only the sensing unit 93 employed to control delivery from conveyor 120.
  • the sensing unit 93 may be dispensed with altogether, and only the drive motor disabling means relied upon for control in an oversupply situation.
  • control apparatus 70 as hereinabove described with regard to the embodiments of H68. 1-7 and FIG. 8, may be used anywhere in a can end handling system where a vertical trough section is used to convey a stream of can ends to a consuming machine.
  • a vertical trough section is used to convey a stream of can ends to a consuming machine.
  • Control apparatus for use in a can end handling system of the type employing first and second can end handling machines, with the means employed for transporting can ends from said first machine to said second machine including a vertically disposed trough section that handles a stream of said can ends in stacked relation; said control apparatus comprising: means adapted to be carried by said vertical trough section for engaging the can ends and retarding the flow thereof to produce a gap in said stream of can ends; and control means for monitoring the level of can ends in said gap, said control means being operably connected with said second machine to regulate the operation thereof as a function of the level of can ends in said trough, whereby when the level of can ends in said gap falls below a preselected point, the rate of consumption of can ends by said second machine is reduced.
  • Control apparatus as defined in claim 1 wherein said means for engaging the can ends and retarding the flow thereof include, aperture means formed in said trough section, and a plurality of spring-biased catch members, each said member having a portion extending radially inward of said trough for engaging can ends to retard the passage thereof through said trough, said catch members being movable radially outward of said section when the force exerted thereon by said can ends reaches a prescribed level to permit individual can ends to pass through said gap.
  • control means include. aperture means formed in said trough section, and a photoelectric sensing unit associated therewith, said unit comprising an emitter and a receiver for a beam of radiant energy, said emitter being positioned diametrically opposite said receiver at said predetermined location for establishing a light beam through said trough by way of said aperture means.
  • Control apparatus as defined in claim 1 wherein said control means further monitors the level of can ends in said gap at a second point, axially spaced above said first-mentioned preselected point, said control means being operably coupled with said first machine to reduce the rate of supply therefrom when the level of can ends in said gap rises above said second point.
  • control apparatus as defined in claim 5 wherein said control means include a pair of photoelectric sensing units, said units being adapted to establish a pair of axially spaced beams of radiant energy passing through said gap, with the existence and interruption of said beams providing control signals to an associated one of said machines.
  • Control apparatus as defined in claim 5 wherein said means for engaging the can ends to provide said gap include a plurality of spring-biased catch members extending inwardly of said trough.
  • step of monitoring the level of can ends relative to said gap includes the step of; providing means for establishing a pair of beams of radiant energy passing through the gap at said first and second location, respectively.
  • steps of controlling the operation of said first and second machines include the step of; deriving a control signal from the existence or interruption of each said beam; and employing said signal to regulate the operation of said machines.
  • a method of regulating the supply of a stream of can ends being supplied from a first machine to a second machine through a vertically disposed trough portion comprising the steps of:
  • a method as defined in claim 12 wherein said step of controlling the operation of said first machine includes; providing means for detecting an increase in drag placed on a handling element of said machine by the can ends; and disabling said first machine when said drag reaches a specified level.
  • step of controlling the operation of said first machine includes the steps of; monitoring the level of can ends in said gap at a second location axially spaced from said first mentioned location in a direction opposite the fiow of can ends through said gap; and reducing the operating rate of said first machine when the said level rises above said second location.
  • a method as defined in claim 14 wherein said step of reducing the operating rate of said first machine includes deenergizing the drive means for said machine.
  • Control apparatus for use in a can end handling system of the type having first and second can end handling machines with the means employed in transporting can ends from said first machine to said second machine including, a trough which handles a stream of can ends in stacked relation, said control apparatus comprising: means operably connectable with said trough for retarding the flow of can ends therethrough to produce a gap in said stream; and detecting means for monitoring the level of can ends in said gap, said detecting means being operably coupled with both said first and said second machines, such that the rate of operation of said second machine is reduced when the level of can ends in said gap falls below a first preselected location, and correspondingly, the operation of said first machine will be reduced when the level of can ends in said gap rises above a second preselected location, whereby the How of can ends to said second machine is controlled to assure that neither an oversupply nor an undersupply of can ends occurs.
  • Control apparatus as defined in claim 16 wherein said produce said gap include a plurality of spring-biased catch members, each said member having a portion for extending radially inward of said trough and adapted to engage said can ends.
  • said detecting means comprise a pair of sensing units adapted for the detection of the level of can ends in said gap, one said unit being positioned at said first and at said second locations.
  • each said sensing unit includes an emitter and a receiver for radiant energy, such that said units are capable of establishing a pair of axially spaced beams of radiant energy passing through said gap, the existence or interruption of said beams providing control signals for said first and second machines.
  • control apparatus for regulating the flow of said can ends from said first machine to said second machine, said control apparatus comprising: a housing having a passage extending therethrough of a shape similar to that of said can ends, said housing defining a portion of said trough means, and having a first and a second set of circumferentially disposed apertures formed therein with said second set being axially spaced from said first set in the direction of movement of said can ends through said housing, said second set being defined by a pair of diametrically opposed elongate slots: a plurality of spring-biased catch members disposed in said first set of apertures, each said member having a portion extending radially inward of said passage for engaging can ends to retard their passage through the housing, whereby said
  • said units being axially spaced from each other and operably positioned relative to said elongate slots with an emitter of each said unit being positioned diametrically opposite its receiver, the upstream one of said units being operably connected with said first machine and the downstream one of said units being connected with said second machine, whereby the accumulation of can ends in said gap to a level sufficient to disrupt the beam of said upstream unit is effective to reduce the output of said

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Conveyors (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Secondary Cells (AREA)
  • De-Stacking Of Articles (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
US5540A 1970-01-26 1970-01-26 Method and apparatus for controlling the supply in a can end processing system Expired - Lifetime US3618550A (en)

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US (1) US3618550A (enrdf_load_stackoverflow)
JP (1) JPS5147956B1 (enrdf_load_stackoverflow)
CA (1) CA942780A (enrdf_load_stackoverflow)
DE (1) DE2047597C2 (enrdf_load_stackoverflow)

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US3850123A (en) * 1973-08-21 1974-11-26 Continental Can Co Can registration and position system
US4041853A (en) * 1975-11-17 1977-08-16 Precision Industries, Inc. Apparatus for organizing and arranging bundles into stacks
US4775274A (en) * 1984-10-03 1988-10-04 Hokkai Can Co., Ltd. Ring-shaped member supplying apparatus
US5335810A (en) * 1993-05-06 1994-08-09 Fleetwood Systems, Inc. Air actuated flow control/load breaker/gas seal unit
US20040028518A1 (en) * 2002-08-06 2004-02-12 Bowman Kenneth A. Apparatus for resisting rotation of can ends in a downstacker and method regarding same
EP3693097A4 (en) * 2017-10-05 2021-06-30 Showa Aluminum Can Corporation GUIDANCE DEVICE, DEVICE FOR MOVING A DISC-SHAPED ELEMENT, CAN LID MANUFACTURING SYSTEM AND BEVERAGE CAN MANUFACTURING SYSTEM
US20240025589A1 (en) * 2022-07-19 2024-01-25 Ferrum Packaging Ag Lid supply for a sealer and a sealer

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JPS54749U (enrdf_load_stackoverflow) * 1977-06-06 1979-01-06
US4262629A (en) * 1977-09-22 1981-04-21 Entech Corporation Apparatus for application of sealant to can lids
DE29513613U1 (de) 1994-10-28 1995-10-26 NSM Magnettechnik GmbH, 59399 Olfen Einrichtung zum Stapeln von Teilen aus elektrisch leitendem, nicht-ferromagnetischem Werkstoff, insbesondere von Aluminium-Dosendeckeln

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US2061589A (en) * 1934-03-13 1936-11-24 American Can Co Control device for can machinery
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US1784131A (en) * 1927-11-02 1930-12-09 American Can Co Can-making machinery and apparatus
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US2061589A (en) * 1934-03-13 1936-11-24 American Can Co Control device for can machinery
US3417853A (en) * 1966-12-06 1968-12-24 Fleetwood Syst Inc Conveyor assembly

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850123A (en) * 1973-08-21 1974-11-26 Continental Can Co Can registration and position system
US4041853A (en) * 1975-11-17 1977-08-16 Precision Industries, Inc. Apparatus for organizing and arranging bundles into stacks
US4775274A (en) * 1984-10-03 1988-10-04 Hokkai Can Co., Ltd. Ring-shaped member supplying apparatus
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US6887030B2 (en) * 2002-08-06 2005-05-03 Alcoa Inc. Apparatus for resisting rotation of can ends in a downstacker and method regarding same
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EP3693097A4 (en) * 2017-10-05 2021-06-30 Showa Aluminum Can Corporation GUIDANCE DEVICE, DEVICE FOR MOVING A DISC-SHAPED ELEMENT, CAN LID MANUFACTURING SYSTEM AND BEVERAGE CAN MANUFACTURING SYSTEM
US11213876B2 (en) * 2017-10-05 2022-01-04 Showa Aluminum Can Corporation Guidance device, device for moving disc-shaped member, can lid manufacturing system and beverage can manufacturing system
US20240025589A1 (en) * 2022-07-19 2024-01-25 Ferrum Packaging Ag Lid supply for a sealer and a sealer
US12371213B2 (en) * 2022-07-19 2025-07-29 Ferrum Packaging Ag Lid supply for a sealer and a sealer

Also Published As

Publication number Publication date
CA942780A (en) 1974-02-26
DE2047597A1 (de) 1971-08-12
JPS5147956B1 (enrdf_load_stackoverflow) 1976-12-17
DE2047597C2 (de) 1982-05-13

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