EP0323296A1 - Verfahren zur Bildung von Zickzackstapeln, ausgehend von einer Endlosbahn aus biegsamem Material und Maschine zur Durchführung dieses Verfahrens - Google Patents

Verfahren zur Bildung von Zickzackstapeln, ausgehend von einer Endlosbahn aus biegsamem Material und Maschine zur Durchführung dieses Verfahrens Download PDF

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Publication number
EP0323296A1
EP0323296A1 EP88403143A EP88403143A EP0323296A1 EP 0323296 A1 EP0323296 A1 EP 0323296A1 EP 88403143 A EP88403143 A EP 88403143A EP 88403143 A EP88403143 A EP 88403143A EP 0323296 A1 EP0323296 A1 EP 0323296A1
Authority
EP
European Patent Office
Prior art keywords
strip
stack
machine according
flaps
flap
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
Application number
EP88403143A
Other languages
English (en)
French (fr)
Other versions
EP0323296B1 (de
Inventor
Martial Gaston Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FRAVER SA
Original Assignee
Syntone
FRAVER SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Syntone, FRAVER SA filed Critical Syntone
Priority to AT88403143T priority Critical patent/ATE89232T1/de
Publication of EP0323296A1 publication Critical patent/EP0323296A1/de
Application granted granted Critical
Publication of EP0323296B1 publication Critical patent/EP0323296B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/10—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with devices for breaking partially-cut or perforated webs, e.g. bursters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
    • B65H45/1015—Folding webs provided with predefined fold lines; Refolding prefolded webs, e.g. fanfolded continuous forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/30—Breaking or tearing apparatus
    • Y10T225/35—Work-parting pullers [bursters]

Definitions

  • the invention relates to a method for forming stacks from a continuous strip of flexible material, such as paper, by zigzag folding the strip along pre-established transverse fold lines, such as transverse perforation lines, and a machine for implementing this process.
  • the zigzag deposition of the flaps, from an endless band is carried out with the idea of a pendulum device which performs a pivoting movement above 'a stack support table.
  • This continuous strip is pre-cut at the edge of the fold line in the form of a line of weakening of the material constituting the strip and connecting the last flap of the stack in formation and the first flap of the next stack.
  • it is stopped when the separation line to be carried out is just upstream of the balance. Then pinch said last flap between two clamping rings and moves said first flap in the direction opposite to that of the movement of advancement of the strip.
  • the strip Under the effect of the tensile force thus imposed on the port [on of the strip which comprises the separation line, the strip is caused to rupture. Then the band advancing means are restarted, in its normal direction, until the front edge of said first flap comes out of the pendulum. Then the pil which has just been finished with the installation of the last flap is evacuated. After this operation, the movement for advancing the strip is retriggered with a view to the formation of a new stack.
  • the present invention aims to provide a method and a machine which no longer suffers from the drawbacks of the state of the art which has just been stated.
  • the method according to the invention is characterized in that the tensile breaking force of the strip is exerted during the advancing movement of the latter by applying the strip through one of its surfaces, advantageously at the center. at the predetermined breaking line, against fixed means, by deflection of the strip downstream and upstream of its part in application, from its normal path, substantially perpendicular to the plane of the strip, while guiding the band.
  • the movement of advancement of the strip is interrupted and the stack formed is evacuated, when the front edge of said first flap is in its position of the first flap of the new stack to be formed and is retained in this position by transient support means.
  • the aforementioned transient support means are part of the means for folding the strip in its zigzag configuration.
  • the machine for implementing the method according to the invention is characterized in that the separating means intended to cause the rupture of the strip at a predetermined breaking line comprise a device provided with breaking edges arranged so as to come in contact with one of the surfaces of the strip and located between two devices for deviating the strip from its normal trajectory, each comprising at least one roller whose axis extends perpendicularly to the longitudinal direction of the strip and parallel to the plane of the latter, on the side of the other surface of the strip and movable perpendicularly to the plane of the latter to come into contact with this surface to produce said deviation of the strip with forced application of the latter against said device with edges rupture, and in that means forming guide paths of the strip at and downstream of the point of rupture of the strip are provided.
  • the pendulum device intended for the formation of the stack in a zigzag configuration comprises elements for driving the strip of paper in the direction advancement.
  • the machine comprises a device for transient support and retention of the first folding flap of a new stack, which comprises four discs mounted to rotate in synchronism with the movement of the pendulum, in parallel planes in the plane of installation of the folding flaps for the formation of a stack, each at a corner of the stack to be formed, next to a longitudinal edge of the flaps, so as to be able to engage by a part of its surface in the loop formed by a folding flap during its installation for the formation of a stack, and, associated with each disc, a member mounted to rotate around an axis parallel to the folding lines of the flaps deposited, situated above said laying surface and of the part of the disc engaging in said loop, a distance from the upper surface of this part such that the part forming the front edge of said first flap can come into a position of tight engagement between the peripheral surface of said rotary member and said upper surface of the disc and advantageously be brought into the position it will occupy in the formed stack, each disc and its associated rotary member
  • an aforementioned rotary member is formed by a brush, the cross section of which is perpendicular to its axis of rotation advantageously has the shape of a segment of a circle.
  • Figure 1 schematically shows the machine according to the invention which is adapted to form on a support device 1 batteries 2 in a zigzag configuration, from an endless band 3 in one suitable flexible material, in particular paper, which is supplied by a preceding machine, not shown, for example a computer printer, of the laser type.
  • This endless strip has longitudinal perforations of the Caroll hole type and transverse weakening lines, such as perforation lines which constitute the fold lines of the strip in its zigzag configuration on the support 1.
  • the longitudinal and transverse perforations are known per se and are not shown.
  • the machine comprises, according to the embodiment shown, successively in the direction of the advancement movement of the ban 3, indicated by the arrow F1, essentially a device 5 comprising two toothed belts with spikes 6 intended to engage in the Caroll holes in the strip 3 to ensure the drive of the strip 3 forming upstream of the device 5 a loop 7, edge cutting ganes 8, a separation assembly 9 for the strip intended to break the strip along a predetermined breaking line formed by a transverse perforation line, a device 10 for returning the strip to a bala cier device 11 known per se which performs a pendulum movement in an angular zone ⁇ depending on the format of the flaps folding delimited between two lines of weakening and folding adjacent to the strip.
  • This balancing device has the function of depositing the endless belt 3 on the support 1 in a zigzag configuration for the formation of a stack.
  • the machine further comprises, at each lateral edge indicated at 12, a set of flattening and retaining the flaps on a stack in formation and the first flap of a new stack, as will be described in detail below.
  • the reference symbols 15 and 16 respectively designate means for moving the support device 1 and the means for discharging a completed battery from the machine according to the invention.
  • FIGS. 2 to the various important devices constituting the machine shown in FIG. 1 will be described in more detail below.
  • the device 9 for separating the strip S along the rupture line formed by the transverse perforation line connecting the last flap of the stack in formation to the first flap of the new stack comprises essentially two pairs 18 ′ 19 of rollers located respectively upstream and downstream of a certain number of elements 20 with breaking edges which are juxtaposed just below the strip 3 in the transverse direction relative to the strip.
  • the two rollers 21 22 of the two pairs of rollers 18, 10 are arranged respectively below and above the strip, at a predetermined distance, their axis extending perpendicularly to the direction of the movement of advance of the strip 3 , parallel to the plane of the latter when it is in its normal advancing position indicated in the form of a solid line.
  • the two lower rollers 21 are rotatably mounted around fixed axes and are advantageously driven in rotation by suitable motor means as indicated by arrows F2.
  • the two upper rollers 22 are rotatably mounted around movable axes perpendicular to the plane of the strip 3, using appropriate hydraulic cylinders mounted in a common support 23.
  • the rollers 22 are movable in translation between the position shown far from the upper surface of the strip 3 and a position in which they deflect the strip perpendicular to its normal position until it comes into close contact against the peripheral surface of the lower drive rollers 21.
  • roller 22 of the pair 19 must be able to carry out a slight sliding on the roller 21 until the moment when the transverse perforation line reaches the breaking device 20. It would then be advantageous to produce this roller in the form a brush.
  • a device 25 for guiding the strip at the top and at the bottom which extends from from a position upstream of the first pair 18 of rollers to the deflection device 10, widening in the direction perpendicular to the plane of the strip, as indicated in FIG. 2.
  • This guide channel 25 has recesses in its upper and lower walls which allow the rollers 21 and 22 to penetrate inside the channel.
  • the deflection device 10 comprises a drive roller 26 which advantageously extends over the entire width of the strip, like the rollers 21 and 22 and for example, two or more brushes 27 which are axially juxtaposed over the width of the strip 3, parallel to the axis of the rollers 26 and arranged so as to ensure the application of the strip against the peripheral surface of the drive roller 26 by coming into pressed contact with the other surface of the strip.
  • a drive roller 26 which advantageously extends over the entire width of the strip, like the rollers 21 and 22 and for example, two or more brushes 27 which are axially juxtaposed over the width of the strip 3, parallel to the axis of the rollers 26 and arranged so as to ensure the application of the strip against the peripheral surface of the drive roller 26 by coming into pressed contact with the other surface of the strip.
  • the guide channel 25 achieves a tape buffer guiding and storage effect up to the level of the band engagement between the roller 26 and the brushes 27.
  • the paper strip 3 pinched between the roller 26 and the brushes 27 is introduced into the balance assembly 11 essentially comprising flat belts 29 rotating at the speed of toothed belts 6 by guiding the band 3 between them and rollers 30, one of which is a motor, located at the free end of the balance Thus the band is driven up to the pendulum exit.
  • the balance assembly alternately distributes the folding flaps to the flattening and retaining 13 sets of the flaps.
  • each assembly 31 essentially comprises two disc-shaped members 31 mounted to rotate around axes situated on either side of the support device 1, in a plane parallel to the plane of poses flaps on this device, close to stop elements 32 of the folds of the flaps.
  • Each disc is rotated in the direction of arrow F3 and is produced, in the example shown, in the form of a substantially semi-circular disc, the front part 33 of which at an angle of 45 ° is folded upwards, according to a predetermined angle as a function of the format of the folding flaps and followed by a horizontal part 34.
  • the discs 31 are arranged in such a way that they engage during their rotation in the installation space flaps of the support device 1, for the purpose which will be explained in detail below.
  • Each of the discs 31 is associated with a rotary member 35 advantageously in the form of a segment of a circle with an angle equal to or somewhat greater than 180 ° and formed by a brush.
  • Each of these brushes 35 is rotated about an axis extending parallel to the laying plane and to the folds of the flaps located on the support 1, at a distance and a place above the plane of installation of the flaps and of the planes of the discs 31 so that they can come into contact with the peripheral zone of the planar upper surface 34 of the discs 31 when the disc in the shape of a semicircle engages in the space for fitting the flaps, as is clear from the figures. Thanks to this relative arrangement of the discs 31 and the brushes 35, the first flap of a new zigzag stack on the support 1 can be retained in a defined position, by being pinched between these members as will be explained below.
  • Each set 13 further comprises two members 36 called hammers arranged symmetrically with respect to the center line YY of the laying plane between the two brushes 35.
  • Each hammer is mounted to rotate about an axis advantageously coincident with the axis of rotation of the brushes 35.
  • Each hammer has a part 37 forming a head and a part forming a shank 38.
  • the shank has a substantially cylindrical peripheral surface whose diameter is substantially equal to the diameter of the brushes 35, while the part forming head 37 is eccentric towards the axis of rotation of the hammer.
  • the radius of curvature of the head portion increases progressively towards the tail 38.
  • This configuration of the hammers makes it possible, during their rotation, to flatten the loops of the strip progressively during its zigzag deposition on the support 1.
  • the hammers are driven in rotation by motor means, at a speed equal to that of the brushes and in synchronism with the advancement movement of the band 3 and the pendulum movement of the balance device 11.
  • the angular position of the hammers 36 relative to that of the brushes 35 and discs 31 is well defined to ensure the cooperation of these different organs, which will be described later.
  • Each assembly 13 also comprises between the two hammers a member forming a measuring propeller 40 which rotates in synchronism with the discs also in the form of a propeller 31.
  • the front part 41 of the propeller 40 is folded upwards at a predetermined angle, on an angular extent of for example 90 °, this raised part being followed by a horizontal part 42, that is to say the plane of which is parallel to the horizontal part 34 of the discs 31.
  • the measuring helix 40 is freely movable mounted upwards on its axis of rotation. It is arranged so that it engages by a part of its surface in the zigzag laying space of the strip 3, so as to be displaced upwards when increasing the height of a pile during training on the support device 1.
  • With the measuring propeller 40 is associated a contact of an electrical circuit (not shown) which controls the breaking of a brake 44 and the starting of a motor reducer 45, forming part of the support device 1 (FIG. 1).
  • the battery support device 1 essentially comprises a receiving table 47 mounted vertically mobile, under the effect of chain wheels 48 and a jack 49.
  • the table 47 is driven by the chain wheels 48, the jack 49 being ineffective.
  • This movement stops when the propeller 40 ceases to mount on the flaps forming the stack.
  • the upward movement is controlled by the jack 49.
  • the reception table 47 has a comb structure as can be seen clearly from FIGS. 3 and 4.
  • the flaps arranged in a zigzag fashion thus rest on vertical wall elements 50 which are arranged parallel to each other. to the others, leaving a space between two adjacent elements which serves for the passage of a conveyor element in the form of an endless belt 52. All of these juxtaposed conveyor elements constitutes an endless conveyor belt 53 (FIG.
  • FIG. 1 1), for discharging the finished stacks from the machine, as illustrated in FIG. 1. It can be seen that such a wall 50 is located below each brush 35 and each hammer 36 and therefore serves as a bearing surface.
  • 55 and 56 also show upper and lower limit switch contacts of the receiving table 47, by cooperating with a boss 57 associated with the table 47, more precisely with a chain passing over the wheels. 48.
  • FIG. 2 shows the balance device 11 in its substantially vertical position in during the installation of a flap of the strip 3, moving in the direction of the arrow F4.
  • the strip 3 at the outlet of the balance 11 forms a loop having the configuration shown schematically in 1.
  • the discs 31 of the flattening and retaining assembly 13, located on the right in the figure begin to engage by their raised front part 33 in the loop.
  • the brushes 35 and the hammers 36 which are driven therein in synchronism with the rotary movement of the discs 31 occupy an angular position where they are not yet in contact with the loop.
  • Figures 5 and 6 show two subsequent phases illustrating the gradual flattening of the loop by the hammers, first by their head 37 and then their tail portion 38, as well as by the action of the brushes 35 which come to support the strip 3 on the top of the half-discs 31, the raised front part 33 of which is taken out of the loop formed by the strip 3.
  • the horizontal part 34 of the discs is taken out of the loop, now practically flattened, the folding is finished and the hammers 36 hold by their shank 38 the two flaps whose fold has just been formed and which are pressed against each other and on the pile being formed.
  • the cheek-shaped stops 32 stop the movement of the flaps while letting the brushes 35 and the hammers 36 pass through suitable windows.
  • the measurement propellers 40 rotate in synchronism with the semi-discs 31.
  • the propellers are freely movable upwards on their axis of rotation under the effect of the increase in the number of flaps deposited on the reception table 47. They can pass over the stack of shutters deposited thanks to their raised part 41. Passed a defined height, the corresponding propeller controls, by means of an electrical contact, the breaking of the brake 44 and the starting of the geared motor 45.
  • the reception table 47 then descends, driven by the chain wheels 48. The movement stops when the propeller stops rising on the batteries of the flaps removed.
  • the end of the strip that is to say the last flap of the pile being formed and the first flap of the new pile to be formed are held between the guides of the device 25.
  • the roller 26 and the brushes 27 hold the strip separated at the speed of the belts 6.
  • the balance assembly 11 with its belts 29 and the rollers 30 pushes the last flap of the strip designated by the reference symbol 60 in FIG. 7a towards the semi-discs 31 corresponding. It can be seen that the first flap of the stack to be formed bears the reference 61. The difference between the two flaps 60 and 61 is very small.
  • the hammers 36 ensure the deposition and plating of the last flap 60 on the stack, while the first flap 61 passes over the semi-discs 31 and is applied by the brushes 35 to the upper surface of these discs. Being pinched between the disc and the brushes, the flap is driven towards the abutment cheeks 32. When the strip exceeds a predetermined width, the air jet nozzles 43 are activated.
  • the jack 49 causes the receiving table 47 to go up rapidly until the boss 57 engages the contact 56 , which controls the end of the table rise, the application of brake 44 and re-engages the drive devices îlement of the strip 3 so that the balance 11 and the flattening and retaining assemblies 13 can form the new stack.
  • FIG. 10 presents means making it possible to obtain a crushing of the folds of the flaps of the stacks, so as to avoid excess thickness of the stacks at the level of the folds relative to the center.
  • This effect is achieved by an appropriate conformation of the brushes 35.
  • such an improved brush has a hub 60 which is eccentric with respect to the axis of rotation 61 of the brush so that the bristles shown at 63 vary lengthwise around the periphery of the hub as shown.
  • the length of the bristles increases in the opposite direction to the direction of rotation of the brush.
  • the lining of the bristles also has a front portion 63 in which the length of the bristles decreases progressively with respect to the diameter of the brush in the direction of rotation thereof.
  • the brush 38 has a shape which ensures that the brush comes into contact with the loop of the strip 3 in a gentle manner without there being the risk of the formation of a crease primer in one place. other than the transverse perforation line separating two adjacent flaps.
  • the hub 60 carries, downstream of the lining of the bristles 62, a hammer device 64 for crushing the folds.
  • This device comprises a support arm 65 of a hammer element 66 of an oblong shape.
  • the support arm is mounted at the periphery of the hub 60, pivoting about an axis 67 substantially parallel to the axis 61 of the brush, against a compression spring 68 oriented substantially in the direction of periphery of the brush and bearing on an element 69 integral with the hub 60.
  • the element 69 is located downstream of the support arm 65, relative to the direction of rotation of the brush.
  • the hammer member 66 has an angle of par example 120 ° relative to the support arm 65 and is oriented in the opposite direction to the direction of rotation of the brush.
  • the hammer member exerts pressure on the folding zone already flattened before by the bristle lining of the brush and ensures the crushing of this zone under the effect of the spring then compressed 68. It is easily understood that in in this case the hammers 36 could be eliminated.
  • the additional support device 70 comprises a number of horizontal parallel rods 71 which are arranged so as to form a comb configuration horizontally displaceable by a double-acting cylinder 72, as illustrated by the arrows.
  • the rods 71 are laterally offset with respect to the vertical wall 50 of the receiving table 47 of the support 1 so that they can be substituted for these when the table is lowered.
  • the equipment of the machine of the auxiliary support 70 allows the evacuation of finished stacks and the formation of new stacks without it being necessary to stop the machine.
  • the machine can also be equipped with means ensuring that the balance 11 always stops at the same position extreme angular, such as for example that indicated at 73 in FIG. 1.
  • an additional motor 74 is provided for driving an eccentric 75 for controlling the balance 11 and one revolution of which corresponds to the length of two shutters.
  • the eccentric 75 is associated a synchronization finger 76. Thanks to these measures, it is possible, after the command to stop the strip, to bring the balance 11 still in its predetermined stop position, which provides batteries where the top panel has the information printed on its visible side.
  • the machine further comprises, as indicated in the figure 1, a detector 78 of the speed of advance of the strip 3 by counting the teeth of the pins 6 and a microprocessor 79 which calculates from the values and signals received from the detector cell 59 of the separation code present on the strip 3, as indicated above, and from the detector 78 the instant of time at which the detected rupture perforation line will arrive in its rupture position at the level of the separation rollers 20.
  • the microprocessor 72 then consequently controls the jacks 23 of the device separating strip 9.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Advancing Webs (AREA)
  • Wire Processing (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Secondary Cells (AREA)
EP88403143A 1987-12-10 1988-12-09 Verfahren zur Bildung von Zickzackstapeln, ausgehend von einer Endlosbahn aus biegsamem Material und Maschine zur Durchführung dieses Verfahrens Expired - Lifetime EP0323296B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88403143T ATE89232T1 (de) 1987-12-10 1988-12-09 Verfahren zur bildung von zickzackstapeln, ausgehend von einer endlosbahn aus biegsamem material und maschine zur durchfuehrung dieses verfahrens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8717241A FR2624490B1 (fr) 1987-12-10 1987-12-10 Procede pour la formation en piles en zigzag a partir d'une bande continue en un materiau souple et machine pour la mise en oeuvre de ce procede
FR8717241 1987-12-10

Publications (2)

Publication Number Publication Date
EP0323296A1 true EP0323296A1 (de) 1989-07-05
EP0323296B1 EP0323296B1 (de) 1993-05-12

Family

ID=9357735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88403143A Expired - Lifetime EP0323296B1 (de) 1987-12-10 1988-12-09 Verfahren zur Bildung von Zickzackstapeln, ausgehend von einer Endlosbahn aus biegsamem Material und Maschine zur Durchführung dieses Verfahrens

Country Status (7)

Country Link
US (1) US5064179A (de)
EP (1) EP0323296B1 (de)
AT (1) ATE89232T1 (de)
CA (1) CA1323643C (de)
DE (1) DE3881008T2 (de)
ES (1) ES2041328T3 (de)
FR (1) FR2624490B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992002443A1 (en) * 1990-07-28 1992-02-20 Dalren Engineering And Machinery Limited Improvements relating to folding of webs
RU2567023C1 (ru) * 2011-08-31 2015-10-27 Ска Хайджин Продактс Аб Стопка сложенных гигиенических изделий и способ и устройство для ее изготовления

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US5921064A (en) * 1997-06-16 1999-07-13 Kt Holdings, Inc. Packaging a strip of material
US6321511B1 (en) 1988-05-20 2001-11-27 Bki Holding Corporation Packaging a strip of material with compression to reduce volume
US5201700A (en) * 1988-11-07 1993-04-13 Industria Grafica Meschi S.R.L. Method for folding material fed from a continuous band into accordion-like manner at a high speed
US5242366A (en) * 1989-07-07 1993-09-07 Asahi Kogaku Kogyo Kabushiki Kaisha Mechanism for folding continuous-form sheet
IT220205Z2 (it) * 1990-10-03 1993-07-13 Meschi Ind Grafica Perfezionato sistema di arresto di foglio contro un piano di raccolta di una piegatrice ad alta velocita' di striscia continua di carta
US5558318A (en) * 1991-01-15 1996-09-24 Roll Systems, Inc. Separator for forming discrete stacks of folded web
EP0600328A1 (de) * 1992-12-04 1994-06-08 Jos. Hunkeler AG Papierverarbeitungsmaschinen Verfahren und Vorrichtung zum Ablegen und Führen von zu stapelnden Materialbahnabschnitten
EP0716036A1 (de) * 1994-12-09 1996-06-12 Industria Grafica Meschi S.r.l. Verfahren zum Abreissen von bedrucktem Endlospapier ohne Randlochung und entsprechende Abreiss- und Faltvorrichtung
DE19655063B4 (de) * 1995-01-13 2004-07-01 Fuji Xerox Co., Ltd. Druckvorrichtung mit einer Papierverarbeitungsfunktion
US6729471B2 (en) 1997-06-16 2004-05-04 Bki Holding Corporation Packaging a strip of material with compression to reduce volume
US5987851A (en) * 1998-05-20 1999-11-23 Stac-Pac Technologies Inc. Packaging a strip of material
US5956926A (en) * 1997-06-19 1999-09-28 Kt Holdings, Inc. Packaging a strip of material by folding and cutting the folded package
US6009689A (en) * 1998-02-17 2000-01-04 Stac-Pac Technologies Inc. Packaging a strip of material in layers
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US6263814B1 (en) 1997-07-08 2001-07-24 Bki Holding Corporation Strip of material with splices and products formed therefrom
US6336307B1 (en) 1997-10-09 2002-01-08 Eki Holding Corporation Method of packaging a strip of material for use in cutting into sheet elements arranged end to end
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US6321512B1 (en) 1999-03-08 2001-11-27 Bki Holding Corporation Method of packaging a strip of material
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US20020144924A1 (en) * 2001-03-23 2002-10-10 Bki Holding Corporation Packaging a strip of material of varying width
US6857629B2 (en) * 2003-02-06 2005-02-22 Charles W. Fritz Automated reciprocal stacking assembly
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FR2258338A1 (en) * 1974-01-22 1975-08-18 Seailles Tison Ateliers Const Control method for machine folding paper strip - uses constant frequency oscillating guide and variable strip feed speed
FR2331502A1 (fr) * 1975-11-12 1977-06-10 Bielomatik Leuze & Co Dispositif pour plier des feuilles continues de papier ou d'une matiere analogue
US4030720A (en) * 1976-02-17 1977-06-21 Jones Gary E Paper stacker
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EP0187344A1 (de) * 1985-01-11 1986-07-16 Jos. Hunkeler AG Fabrik für graphische Maschinen Verfahren und Vorrichtung zum Herstellen einzelner, aus einer zickzackförmig gefalteten Materialbahn bestehender Stapel
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RU2567023C1 (ru) * 2011-08-31 2015-10-27 Ска Хайджин Продактс Аб Стопка сложенных гигиенических изделий и способ и устройство для ее изготовления
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DE3881008T2 (de) 1993-12-09
US5064179A (en) 1991-11-12
DE3881008D1 (de) 1993-06-17
ATE89232T1 (de) 1993-05-15
ES2041328T3 (es) 1993-11-16
FR2624490B1 (fr) 1991-04-26
CA1323643C (en) 1993-10-26
EP0323296B1 (de) 1993-05-12
FR2624490A1 (fr) 1989-06-16

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