EP0755324A1 - A cushion producing machine - Google Patents
A cushion producing machineInfo
- Publication number
- EP0755324A1 EP0755324A1 EP95916388A EP95916388A EP0755324A1 EP 0755324 A1 EP0755324 A1 EP 0755324A1 EP 95916388 A EP95916388 A EP 95916388A EP 95916388 A EP95916388 A EP 95916388A EP 0755324 A1 EP0755324 A1 EP 0755324A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- assembly
- machine
- exit opening
- access
- set forth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0043—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material
- B31D5/0047—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material involving toothed wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0017—Providing stock material in a particular form
- B31D2205/0023—Providing stock material in a particular form as web from a roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0047—Feeding, guiding or shaping the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/007—Delivering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
- B31D2205/0088—Control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
- B31D2205/0094—Safety devices
Definitions
- This invention relates generally to a dunnage-creating machine such as a cushion producing machine for producing a dunnage product from sheet-like stock material supplied, for example, in roll form and, more particularly, to an assembly for such a machine which inhibits foreign objects from entering the cutting zone of the machine.
- a protective packaging material is typically placed in the shipping container to fill any voids and/or to cushion the item during the shipping process.
- Some commonly used protective packaging materials are plastic foam peanuts and plastic bubble pack. While these conventional plastic materials seem to perform adequately as cushioning products, they are not without disadvantages. Perhaps the most serious drawback of plastic bubble wrap and/or plastic foam peanuts is their effect on our environment. Quite simply, these plastic packaging materials are not biodegradable and thus they cannot avoid further multiplying our planet's already critical waste disposal problems. The non- biodegradability of these packaging materials has become increasingly important in light of many industries adopting more progressive policies in terms of environmental responsibility.
- One machine which converts paper into a packaging material includes a stock supply assembly, a forming assembly, a gear assembly, and a cutting assembly, all of which are mounted on the machine's frame.
- the stock supply assembly supplies the stock material to the forming assembly.
- the forming assembly causes the lateral edges of the sheet-like stock material to roll inwardly to form a continuous strip having lateral pillow-like portions and a thin central band.
- the gear assembly pulls the stock material through the machine and also coins the central band of the continuous strip to form a coined strip.
- the coined strip travels downstream to the cutting assembly which cuts the coined strip into pads of a desired length.
- a relatively long discharge path is arranged downstream of the cutting assembly so that so it is difficult for a foreign object to enter the cutting zone or to contact the cutting assembly.
- the present invention provides a cushion producing machine employing an access assembly downstream of the cutting assembly which is preferably open during the formation of a cushion and is closed prior to the initiation of a cutting process to inhibit access to the cutting assembly.
- the machine is provided with a sensor which senses whether the access assembly is in an open or closed condition and which permits control of the cutting operation so that a cutting operation can only take place when the access assembly is in a closed condition.
- the access assembly may include a pair of flaps or valves, the positions of which are controllable so as to effectuate open and closed or semi-closed conditions or states for the access assembly.
- the access assembly is arranged in the exit opening of the machine and is controlled in time-dependent relation with the actuation of the cutting assembly.
- a machine for manufacturing a cushioning product starting from a multi-ply stock material or the like includes a frame having a housing with an exit opening, a stock supply supported by the frame, a forming assembly causing the lateral edges of the stock material to roll inwardly to form a continuous strip having lateral pillow-like portions and a central band, a gear assembly for feeding the stock material through the forming assembly and out the exit opening, a cutting assembly intermediate the gear assembly and the exit opening for cutting a determined length of the continuous strip to produce a cushioning product and, an access assembly for permitting the cushioning product to be fed therethrough and inhibiting access to the cutting assembly from outside the housing.
- the access assembly includes at least one swivelling valve in the exit opening
- two swivelling valves are arranged in the exit opening for movement toward and away from each other, wherein the swivelling valves are moved synchronously by a joint coupling mechanism from the opened to the closed position.
- Figure 1 shows a perspective standing view of an embodiment of the device according to the invention
- Figure 2 is a schematic view of the different components within the housing of the device.
- Figures 3 and 4 show in each case a perspective view of two embodiments of the access assembly according to the invention.
- a cushion producing machine 10 which includes a frame 12 with a housing 14 arranged thereon which comprises a number of processing assemblies discussed more fully below for converting sheet-like stock material into a cushioning product.
- the illustrated embodiment of the frame 12 and the housing 14 is exemplary and that the frame and housing as well as other components of the machine 10 can be adapted to the particular place in which the machine will operate.
- the frame 12 is constructed from a number of profiles for support of the several components of the machine 10 including a rod 16 which supports a roll R of sheet-like stock material, such as Kraft paper.
- the paper 18 is unwound from the roll R and carried via reversing rollers 20 to the open underside of housing 14.
- the strip of paper 18 undergoes a conversion operation in the housing 14 and is discharged through the exit opening 22 in the top of housing.
- Figure 2 shows the different assemblies which cooperate to produce the cushioning product.
- the housing 14 of Figure 1 is omitted to reveal the assemblies within the housing.
- the machine 10 further includes a conversion assembly 24 for converting the strip of paper 18 received from the roll R into a continuous strip of cushioning product and a cutting assembly 26 which cuts the continuous strip of cushioning product into cut pads of a desired length.
- the conversion assembly 24 includes a forming assembly 28 comprised of chute 30 with a forming frame 32 partially disposed merewithin, and a gear assembly 34 which coacts with the forming assembly to convert the sheet-like material into a continuous strip of cushioning product.
- the strip of paper 18 is fed through the forming assembly 28 wherein the lateral edges of the paper are caused to roll inwardly, such as in a spiralling fashion, to form a continuous strip 36 having lateral pillow-like portions and a thin central band.
- the thickness of the strip of paper is tripled. When triple-ply paper is used as the stock material, nine layers then lie on one another.
- the gear assembly 34 includes a pair of enmeshed, toothed gears 38 forming a nip through which the strip of cushioning material 36 is fed and which coins the material as a result of the deformation by the teeth of the gears. It is also possible to use these toothed gears 38 to pull the strip of material upward in the direction of arrow PI.
- the gear assembly 34 is driven by the gear motor 40.
- the cutting assembly 26 arranged above or downstream of the gear assembly 34 preferably includes a fixed blade 42 and a movable blade 43 which is driven by a cut motor 44.
- an access assembly 46 in the form of two flaps, door or valves 48 is arranged above or downstream of cutting assembly 26, with the valves proximate the exit opening 22 of housing 14.
- the valves 48 serve to permit or to substantially close off access to the cutting zone of the cutting assembly 26 through the opening 22 depending upon whether the valves are in a relative open or closed position.
- the valves 48 have a trailing position relative to the transporting direction PI and leave a determined opening between the distal edges thereof when in a closed condition such that the formed paper strip 36 can be pulJed out therebetween after being cut into a pad of a desired length by the cutting assembly 26.
- the position of the valves 48 is determined by a valve motor or similar motive means 50 and sensed by a sensor 52 which transmits a signal indicating the position of the valves to a control circuit, which is shown schematically by block 54 in Figure 2.
- the control circuit 54 also serves to control the gear motor 40, the cut motor 44 and the valve motor 50.
- the access assembly 46 includes a front plate 56 and a parallel rear plate (not shown) which are mutually connected by spacer elements 58.
- the valves 48 swivel in the exit opening 22 on swivel shafts 60, 62 which have a parallel orientation.
- the swivel shafts 60, 62 are rotatably mounted in the plates with the end of the swivel shafts mounted in the front plate 56 protruding through the front plate in order to enable connection in each case to arms 64, 66, respectively.
- the other ends of the arms 64, 66 are mutually connected by an intermediate arm 68.
- Arranged on front plate 56 is the valve motor 50 which is connected pivotally to the arm 66 via a crank 70 and a crank arm 72.
- the valve motor 50 is energized and rotates in one direction so that the crank 70 turns, for instance, in the direction of arrow P3. This provides a reciprocating movement of crank arm 72 in the direction of arrow P4.
- the respective arms 64, 66 are thus caused to rotate about the axes of the swivel shafts 60, 62, respectively, thereby rotating the swivel shafts and causing the valves 48 mounted to the swivel shafts to be moved apart to a greater or lesser degree such that they are moved from a closed position, wherein the distal edges 74 of the valves lie substantially adjacent each other, to an open position, wherein the valves lie practically parallel to each other with their distal edges substantially separated.
- Figure 4 shows an alternate embodiment of the drive mechanism for the access assembly 46.
- a solenoid 76 which serves as motive means for driving the arms 78, 80 connected to the swivel shafts 60, 62.
- the arms 78, 80 are embodied here as gear segments, the toothing of which is in engagement with a gear rack 82 which is joined to the solenoid pin 84. It will be apparent from Figure 4 that by energizing the solenoid 76 the pin 84 is pulled inwardly, carrying with it the gear rack 82, which rotates the two gear segments 78 and 80 and therewith the valves 48 of the access assembly 46.
- the senor 52 is embodied as microswitch, the arm 86 of which senses the position of the gear segment 78 via a roller 88 and thereby determines whether the valves 48 are in an open or closed condition.
- the sensor 52 generates a signal which is transmitted to the control circuit 54 in Figure 2 which, when the access assembly 46 is in its open position, renders inoperative the energizing of cut motor 44 of cutting assembly 26.
- the gear motor 40 powering the gear assembly 34 for through- feed of the strip of paper 36 can however be energized so that a determined strip can be discharged through the opening.
- the control circuit 54 commands the gear motor to stop and energizes the valve motor 50 or solenoid 76 to close the valves 48 of the access assembly 46.
- the control circuit energizes the cut motor 44 to cause the blades 42, 43 of the cutting assembly 26 to cut the strip of paper 36 to result in the appropriately sized length of cushioning product. Thereafter the user can pull the cut pad outward between the valves 48 to remove it from the machine for packaging a given item.
- the valve motor 50 can be energized to open the access assembly and the feed motor 40 can be started for renewed feed of the strip of paper 36 through the machine 10. It is noted that when closing of the valves 48 of the access assembly is prevented, for instance because of the presence of a foreign object between them, the control circuit 54 will not energize the cut motor 44 despite the possibility that the valve motor 50 for the access assembly has energized to close the valves.
- the interaction of the access assembly and the cutting assembly and gear assembly as controlled by the control circuit may be based on sensing of the states of the assemblies or based on a time dependant operation wherein the control circuit commands the respective assemblies to perform their operations based on a time sequence, or a combination of these control methods.
- the sensor 52 may embodied as a different sensor or as multiple sensors, such as separate sensors to determine if the access assembly is in an open position or a closed position.
- opening or closing of the valves may be acmated by a variety of different actuation means.
- the crank and linkage mechanism of Figure 3 could be combined with a pair of enmeshed partial gears such as illustrated in Figure 4, but without the intermediate gear rack, to effectuate control of the valves.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9400606 | 1994-04-15 | ||
NL9400606A NL9400606A (en) | 1994-04-15 | 1994-04-15 | Device for manufacturing ribbon-shaped packaging material from laminated paper or the like. |
PCT/US1995/004607 WO1995028276A1 (en) | 1994-04-15 | 1995-04-14 | A cushion producing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0755324A1 true EP0755324A1 (en) | 1997-01-29 |
EP0755324B1 EP0755324B1 (en) | 1998-10-21 |
Family
ID=19864075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95916388A Expired - Lifetime EP0755324B1 (en) | 1994-04-15 | 1995-04-14 | A cushion producing machine |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0755324B1 (en) |
JP (1) | JPH10501752A (en) |
AU (1) | AU2290395A (en) |
CA (1) | CA2187195A1 (en) |
DE (1) | DE69505513T2 (en) |
NL (1) | NL9400606A (en) |
WO (1) | WO1995028276A1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990087388A (en) * | 1995-02-28 | 1999-12-27 | 코베트 제임스 제이. | Buffer conversion device |
US6217501B1 (en) | 1996-06-28 | 2001-04-17 | Ranpak Corp. | Cushioning conversion machine |
EP0958135A1 (en) * | 1996-06-28 | 1999-11-24 | Ranpak Corp. | Cushioning conversion machine |
AU6182398A (en) * | 1997-02-14 | 1998-09-08 | Ranpak Corp. | Cushioning conversion machine including a length measuring device |
FR2786124B1 (en) * | 1998-11-20 | 2000-12-29 | Naturembal Sa | MACHINE FOR THE PRODUCTION OF MATTRESSES OF DIFFERENT LENGTHS |
US7083560B2 (en) | 1999-09-09 | 2006-08-01 | Ranpak Corp. | Cushioning conversion machine having heavy duty characteristics |
FR2798920B1 (en) * | 1999-09-27 | 2001-12-28 | Naturembal Sa | GUIDING DEVICE PROVIDED AT THE OUTPUT OF A MACHINE FOR MANUFACTURING UPHOLSTERY IN PAPER MATERIAL |
AU6977501A (en) * | 2000-06-09 | 2001-12-17 | Ranpak Corp | Dunnage conversion machine with translating grippers, and method and product |
DE60331822D1 (en) * | 2002-04-22 | 2010-05-06 | Ranpak Corp | PAD CONVERSION MACHINE |
EP2669080B1 (en) | 2003-07-07 | 2015-01-14 | Ranpak Corp. | Dunnage converter and stand |
EP1858691B1 (en) | 2005-02-22 | 2012-08-01 | Ranpak Corp. | Dunnage conversion machine and output chute guard |
US8991141B2 (en) | 2009-04-06 | 2015-03-31 | Sealed Air Corporation (Us) | Machine for inflating and sealing an inflatable structure |
US8978345B2 (en) | 2009-04-06 | 2015-03-17 | Sealed Air Corporation (Us) | Machine for inflating and sealing an inflatable structure |
US9427928B2 (en) | 2009-08-25 | 2016-08-30 | Sealed Air Corporation (Us) | Method and machine for producing packaging cushioning |
GB2487771A (en) * | 2011-02-04 | 2012-08-08 | Easypack Ltd | Dunnage making |
GB2501260A (en) * | 2012-04-17 | 2013-10-23 | Easypack Ltd | Feeding paper to a dunnage forming machine |
CN105291485B (en) * | 2015-11-17 | 2017-07-14 | 台州利丰洁具有限公司 | A kind of rotatably folded film machine |
EP3515698A1 (en) | 2016-09-23 | 2019-07-31 | Karl Lindner | Method and device for producing packing chips, and packing chips produced thereby |
FR3061072B1 (en) * | 2016-12-22 | 2020-02-07 | Jacky Peterlini | DEVICE FOR DISPENSING PACKING AND PACKAGING ELEMENT |
CA3055611C (en) | 2017-02-28 | 2023-06-13 | Robert C. Cheich | Dunnage conversion machine, method, and product with a polygonal cross-section |
DE102017109330A1 (en) * | 2017-05-02 | 2018-11-08 | Storopack Hans Reichenecker Gmbh | Device for providing cushioning material for packaging purposes, and forming unit for such a device |
DE102018009679A1 (en) * | 2018-12-11 | 2020-06-18 | Sprick GmbH Papier- und Wellpappenwerke & Co. | Multi-drive device for manufacturing a packaging material product from a fiber raw material, method for manufacturing a packaging material product and method for removing packaging material blockages |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3234453C1 (en) * | 1982-09-17 | 1983-10-27 | Karl 7298 Loßburg Hehl | Protective shield on a work machine |
DE3421216A1 (en) * | 1984-06-07 | 1985-12-12 | Peter 6501 Sörgenloch Heinrichs | Motor-driven, moving glass shield for workplace protection on conveyor-belt operating points, pressing, stamping and welding installations, or the like |
US4619635A (en) * | 1985-11-04 | 1986-10-28 | Ranpak Corp. | Automatic feed circuit for dunnage converter |
US4761901A (en) * | 1986-10-22 | 1988-08-09 | Henry Szafarz | Safety guard for a power tool discharge chute |
US4884999A (en) * | 1988-01-04 | 1989-12-05 | Ranpak Corp. | Dunnage converter for producing narrow width cushioning pad product, conversion kit thereof, and method |
-
1994
- 1994-04-15 NL NL9400606A patent/NL9400606A/en not_active Application Discontinuation
-
1995
- 1995-04-14 JP JP7527107A patent/JPH10501752A/en not_active Ceased
- 1995-04-14 WO PCT/US1995/004607 patent/WO1995028276A1/en active IP Right Grant
- 1995-04-14 CA CA 2187195 patent/CA2187195A1/en not_active Abandoned
- 1995-04-14 DE DE69505513T patent/DE69505513T2/en not_active Expired - Fee Related
- 1995-04-14 AU AU22903/95A patent/AU2290395A/en not_active Abandoned
- 1995-04-14 EP EP95916388A patent/EP0755324B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9528276A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE69505513T2 (en) | 1999-05-06 |
WO1995028276A1 (en) | 1995-10-26 |
JPH10501752A (en) | 1998-02-17 |
NL9400606A (en) | 1995-11-01 |
AU2290395A (en) | 1995-11-10 |
DE69505513D1 (en) | 1998-11-26 |
CA2187195A1 (en) | 1995-10-26 |
EP0755324B1 (en) | 1998-10-21 |
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