EP0710173B1 - Zuführvorrichtung für schneidvorrichtung - Google Patents

Zuführvorrichtung für schneidvorrichtung Download PDF

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Publication number
EP0710173B1
EP0710173B1 EP94922590A EP94922590A EP0710173B1 EP 0710173 B1 EP0710173 B1 EP 0710173B1 EP 94922590 A EP94922590 A EP 94922590A EP 94922590 A EP94922590 A EP 94922590A EP 0710173 B1 EP0710173 B1 EP 0710173B1
Authority
EP
European Patent Office
Prior art keywords
auxiliary
transport
roll
deflection roll
band
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.)
Expired - Lifetime
Application number
EP94922590A
Other languages
English (en)
French (fr)
Other versions
EP0710173A1 (de
EP0710173A4 (de
Inventor
Robert D. Kinson, Jr.
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.)
Baumfolder Corp
Original Assignee
Baumfolder Corp
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
Priority claimed from US08/092,641 external-priority patent/US5467677A/en
Application filed by Baumfolder Corp filed Critical Baumfolder Corp
Publication of EP0710173A1 publication Critical patent/EP0710173A1/de
Publication of EP0710173A4 publication Critical patent/EP0710173A4/de
Application granted granted Critical
Publication of EP0710173B1 publication Critical patent/EP0710173B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0675—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for piles of sheets

Definitions

  • the present invention relates to a transport apparatus for a trimming device according to the preamble of claim 1.
  • Such a cutting device which is also known as a knife trimmer, is for instance used in a gather-stitcher system where it usually immediately follows a stitching station.
  • the products, which have already been stitched, are inserted into the cutting machine via chain drivers, for instance, where they first occupy a first position serving for front trimming and are subsequently transported onwards to a second position where foot and head trimming is carried out.
  • an apparatus of the type specified has the structure defined in claim 1.
  • substantially shorter base lengths may be transported. It is also ensured that the product be transported onwards, after the front trimming has been carried out, into a second position serving for foot and head trimming without any warping and in good registry. Such further transport is guaranteed even if the product does not enter a clamping gap formed by the main transport band and an opposite transport band. It is sufficient that the product is gripped by the auxiliary transport band extending toward the insertion region. Due to the relatively small diameter of the deflection roll for the auxiliary transport band, the spacing between the knife serving for front trimming or a hold-down means associated therewith, respectively, and the adjacent location of engagement between the auxiliary transport band and the product concerned may be kept small. Even if the product is simultaneously gripped by both bands, warp-free transport is ensured due to the main transport band and the auxiliary transport band being driven simultaneously.
  • the diameter of the deflection roll of the auxiliary transport band may be less than half, preferably less than a third of the diameter of the deflection roll of the main transport band.
  • Figs. 1 and 2 show an apparatus 10 for trimming products 12 bound in a booklet-like manner in a purely schematic representation wherein respective products 12 are insertable in the direction of arrow F, bound spine 14 ahead.
  • the embodiment of these figures is not protected by the claims.
  • Cutting apparatus 10 is provided with a transport means 16 including two pairs of transport bands 18, 20 being formed identically and comprising a spacing "a" from each other, transversely with respect to the direction of transport F.
  • the two transport bands 18, 20 of a respective pair of transport bands are disposed on top of each other and respectively guided about a deflection roll 24 at the end facing insertion region 22.
  • a soft, padded auxiliary transport band 26 of urethane sponge on neoprene is driven at the same speed as a main transport band 18.
  • the band 26 is associated with upper transport band 18 at both sides of a respective pair of transport bands 18, 20.
  • Each of these auxiliary transport bands 26 extends beyond the main transport band 18 toward the insertion region 22.
  • auxiliary bands 26 are, in their turn, guided about an auxiliary deflection roll 28 having a diameter d that is significantly less than the diameter D of deflection roll 24 of the main transport band 20.
  • the diameter d of auxiliary deflection roll 28 of auxiliary transport band 26 usefully is less than half, preferably less then a third of the diameter D of deflection roll 24 of main transport band 18. In the illustrated embodiment, diameter d is slightly less than a third of diameter D.
  • auxiliary transport bands 26 associated with a respective main transport band 18 are respectively guided, at the end opposite to auxiliary deflection rolls 28, about a drive roll 22, the rotational axis A thereof being coaxial with the axis of main deflection roll 24 of the main transport band 18 (see Fig. 2).
  • the drive rolls 32 drive the auxiliary transport bands 26 and are respectively connected to be rotationally fixed with deflection roll 24 of the respective main transport band 18 via a plurality of pins 34 which are parallel to axis "A" so that both auxiliary transport bands 26 respectively are associated with a respective main transport band 18 and are driven via the main transport band 18.
  • a corresponding drive roll for the main transport band 18 is provided at the opposite band end (not represented).
  • Rolls 32 have the same diameter D as the main deflection roll 24 concerned so that the auxiliary transport bands 26 are driven at the same speed as the corresponding main transport band 18.
  • Auxiliary deflection rolls 28 of both auxiliary transport bands 26 associated with a respective main transport band 18 are mounted on a pivotable frame 36 the rotational axis "A" of which is parallel to the axis of main deflection roll 24 of the main transport band 18 (see Fig. 2).
  • the frame 26 is formed to be U-shaped.
  • the corresponding auxiliary deflection rolls 28 of the two auxiliary transport bands 26 are secured to frame 36 to be rotatable about a common axis B, constituted by a shaft 30 extending between the two free leg-ends 38 of frame 36.
  • Shaft 30 is configured to be a hollow shaft and anchored to both legs or arms 82 of the U-shaped frame via a screw fastener 76.
  • Auxiliary deflection rolls 28 are rotatably mounted on said shaft 30 and fixed in the axial direction by corresponding means.
  • Each of the two U-shaped frames 36 respectively rests on an inner section 68 of a stepped stub shaft having a reduced diameter and being connected to the free end of a swivel arm 44 via an outer section 48 which has a larger diameter, on which frames 36 are radially fixed via annular shoulders 78 as well as screws 70 provided with washers 72.
  • Rotational axis "A" of frame 36 as defined by shaft-section 68 which extends in parallel with respect to axis B as well as the frame web and approximately extends through the center of two arms 82 formed by the frame legs.
  • Main deflection rolls 24 or drive rolls 32 respectively are also rotatably mounted to the same shaft section 68, within the two frame legs.
  • the two swivel arms 44 are pivotally affixed to shafts 48 at their free ends. Their opposite (non-represented) ends are connected to a through-type swivel shaft mounted on the stand of cutting apparatus 10.
  • Respective frames 36 are pivotable about axis A and supported at the web-side ends on knurled screws 46 which serve as stops via lateral projections 80.
  • the screws 46 are screwed into a bracket 62 secured on shaft section 48.
  • the spacing between the deflection rolls 28 of the auxiliary transport bands 26 mounted on frame 36 and a supporting means 40, 42 for inserted product 12 opposite the auxiliary transport bands 26 is set in the clamping position with swivel arms 44 being lowered via the screws 46 (see Fig. 1).
  • the knurled screws 46 may be locked in the bracket 62 by means of screw 64 via which both ends of slotted bracket 62 may be contracted.
  • supporting means 40, 42 for the respectively inserted product 12 as disposed opposite the auxiliary transport bands 26 includes a supporting plate 40 having a recess for supporting roll 42 provided therein.
  • the supporting means 40, 42 is disposed between main deflection rolls 24 of the pairs of transport bands 18, 20 comprising the same diameter D and a cutter including bottom knife 58 being supported on a bottom knife carrier 56 and having associated therewith an upper punching knife 52 as well as a hold-down means 54 (see Fig. 1).
  • a (non-represented) lower transport means is provided for taking away offcut 66.
  • stops 50 being upwardly bent to have an L-shape, pivotable in the direction of arrow S1 (see fig. 1) into the transport path of respective product 12 and abutted by the bound spine 14 of the respective product 12 as soon as the latter occupies its position serving for front trimming as represented in figs. 1 and 2.
  • These stops 50 may be adjusted to different formats in the direction of transport.
  • the respective frame 36 and, accordingly, the respective end of main transport band 18 as well as auxiliary transport bands 26 associated therewith form a small-format means 60.
  • These, together with frame 36, are pivotable from a position lifted off from opposite transport band 20 or, respectively, supporting means 40, 42 into a clamping position serving for transporting the respective product 12 onwards as represented in fig. 1.
  • the desired clamping effect between the two transport bands 18, 20 of a respective pair of transport bands is additionally assisted by a leading support 74 associated with the respective lower transport band 20.
  • FIG. 3 and 4 A further modified embodiment of the cutting apparatus 10 is shown in Figs. 3 and 4, where the same reference numerals have been used for comparable parts. That embodiment is not protected by the claims. That embodiment differs from the one according to Figs. 1 and 2 in that the two auxiliary deflection rolls 28 of a respective pair of auxiliary deflection rolls are no longer disposed on a common frame 36, but on two arms 82 which are pivotable independently of each other. Further, in addition to the two stops 50, two further stops 50' of similar type are provided to be adjustable relative to stops 50.
  • auxiliary deflection rolls 28 of the two auxiliary transport bands 26 associated with a respective main transport band 18 are respectively mounted at one end of a pivotable arm 82.
  • the swivel axis of arm 82 is disposed at the other end and parallel to rotational axis "A" of main deflection roll 24 of the respective main transport band 18.
  • These auxiliary deflection rolls 28 are disposed on the sides of arms 82 facing each other and respectively rest on a stub shaft 86 secured on the respective arm end.
  • the two arms 82 are pivotable independently of each other and are supported on separate stops 84 which are also adjustable independently of each other.
  • the stops 84 are respectively constituted by a sliding block which is guided in a respective arm 82. One of its ends is connected to a threaded spindle 88 and led through a carrier plate 90 connected with the respective shaft section 48.
  • Two threaded, knurled nuts 92 are provided on each spindle at the end opposite sliding block 84, via which nuts 92 the respective positions of sliding blocks 84 may be adjusted.
  • spindle 88 is provided with an outer thread at its upper end which receives the two knurled nuts 92.
  • a compression spring 94 is slipped onto each section of threaded spindle 88.
  • Each spring is preferably plain and situated between a carrier plate 90 and a sliding block 84 to press the sliding block 84 and, accordingly, the related arm 82 downwardly until lower knurled nut 92 abuts carrier plate 90.
  • the two threaded spindles 88 associated with each pair of auxiliary transport bands 26, respectively, are carried by a common carrier plate 90 which is secured to shaft section 48 via a screw 96.
  • the two arms 82 respectively are provided with auxiliary deflection rolls 28 which may be adjusted independently of each other via threaded spindles 88.
  • auxiliary deflection rolls 28 which may be adjusted independently of each other via threaded spindles 88.
  • auxiliary deflection rolls 28 of the auxiliary transport bands 26 mounted on arms 82 and the opposite supporting means 40, 42 as provided in the clamping position with swivel arms 44 being lowered may be adjusted separately of each other via the threaded spindles 88.
  • all arms 82 respectively carrying a main deflection roll 24 are also moved, together with main deflection rolls 24 of the main transport bands 18, between a release position and a clamping position via the two outer swivel arms 44.
  • each of the two inner stops 50 is upwardly bent to have an L-shape and has associated therewith a further outer stop 50' extending in parallel with the related inner stop 50.
  • the stops are adjustable in the transport direction F via elongated holes 100 (Fig. 4), for instance.
  • the respective inner stop 50 is connected with a web 102 extending in the transverse direction to which the related outer stop 50' is secured via two screws 104 penetrating elongated holes 100 provided at the one end of outer stop 50'.
  • the two stops 50, 50' of a respective pair of stops extend from web 102 like fingers, against the direction of transport F towards insertion region 22 where they are upwardly bent to be at least substantially L-shaped.
  • the two outer stops 50' are narrower as compared with inner stops 50 and are disposed in the region of the respective outer edge of product 12 whereas the two inner stops 50 are provided on both sides of an interposed center line M at a similarly-small spacing less than their width.
  • the two outer stops 50' Due to the two additional outer stops 50', there accordingly results a four-point abutment for the product, with the two outer stops 50' at least being adjustable relative to inner stops 50. If the respective product 12 comprises staples or the like in the region of outer stops 50' whereas such clips are absent in the region of center stops 50, uniform abutment of the product at the stops may nevertheless be achieved by corresponding fine adjustment of outer stops 50' relative to inner stops 50. The same is true for instance in the case where it is only the inner stops which hit such staples or the like.
  • the mode of operation of the cutting apparatus in accordance with the invention is as follows:
  • the respective product 12 which has for instance been bound or stitched by a gather-stitcher, runs, spine ahead, into cutting apparatus 10 to abut on upwardly pivoted stops 50, 50'.
  • the upper punching knife 52 as well and hold-down means 54 occupy their upper positions.
  • Lower transport bands 20 as well as upper transport bands 18 and, accordingly, associated auxiliary transport bands 26 are stopped.
  • swivel arms 44 are pivoted upwardly so that upper bands 18 and 26 are slightly lifted off of lower bands 20 or supporting means 40, 42, respectively, and an entry gap is formed.
  • Product 12 is then pressed against bottom knife 58 by hold-down means 54 under timed, synchronous operation.
  • the upper transport bands 18 as well as small-format means 60 associated therewith are pivoted downwardly together onto transport bands 20 or supporting means 40, 42, respectively, via swivel arms 44. This clamps the product 12. In this phase, such clamping is especially effected between auxiliary transport bands 26 of small format means 60 and supporting means 40, 42. Front trimming is subsequently effected via upper punching knife 52.
  • the upper punching knife 52 and the hold-down means 54 are then moved upwardly and stops 50 are pivoted away downwardly.
  • Transport bands 18, 20, 26 are then put into operation, whereupon the respective product 12, supported by small format means 60, is transported in the direction of arrow F into a subsequent position for foot and head trimming without any warping and in good registry. Before these cuts are realized, the bands are again stopped. Subsequently, swivel arms 44 as well as stops 50, 50' are again pivoted upwardly whereupon the next product 12 can be inserted and a new clock cycle begins.
  • FIG. 5 Yet another embodiment is described in connection with Figs. 5 and 6. That embodiment which has the features of claim 1, is similar to that illustrated in Figs. 3 and 4 except that a new link 118 extends between an auxiliary deflector roll 28' and a second small roll 120 which is vertically adjustable by means about to be described (rather than the vertically adjustable roll 28 of Fig. 3).
  • an adjusting means 108 is comprised of a knurled knob 110 adjacent to nuts 112 located on a threaded spindle 114 which, when rotated by the knob 110, moves the link 118 and the small roller 120 upwardly and downwardly against the force of a compression spring 116 located between the link 118 and a support block 126.
  • the motion of the small roll 120 is pivotable about a pivot pin 122; and, it is the motion of the roller 120 which provides the primary adjustment for the various thicknesses of booklets 12 that are fed to and through the cutting apparatus of Figs. 5 and 6.
  • a padded transport belt 123 similar to padded belt 26 in the Fig. 3 embodiment, passes around the two small rolls 28' and 120.
  • the belt 26 remains in the Fig. 5 and 6 embodiment, but it need not be padded.
  • the belt 26 is the drive roller for the padded belt 123; and, a timing pulley 124 is provided to synchronously drive all of the belts.
  • the left auxiliary roll 28' in Fig. 5 is essentially fixed except for a rough adjustment which pivots about shaft 48 in Fig. 6.
  • the rough adjustment includes a kipp handle 128 to lock the position of the entire assembly.
  • An eccentric 130 is also included to provide a fine adjustment of the position of the entire assembly about shaft 48.
  • the new roller 120 now has the basic adjusting mechanism and spring; and it also has the padded belt 123 which extends between the auxiliary deflection roll 28' and the new roll 120.
  • Fig. 5 and 6 embodiment illustrates only a single adjusting knob 110 for the padded belt 123, but it will be understood by those skilled in the art that additional belts such as 123 can be employed and that correspondingly additional adjusting means 108 can also be employed.
  • booklet base lengths in the range of 6.5 cm can be achieved instead of the hitherto smallest possible base length of about 8.9 cm.
  • the apparatus according to the invention may basically be employed not only in a gather-stitcher system, but also in other aggregates such as book manufacturing, folding or printing machines.
  • the products to be processed by the apparatus in accordance with the invention may be stitched in most various manners, inclusive of not only clamped or, respectively, wire-stitched and thread-stitched products, but also glued, sized and lumbecked products.

Claims (8)

  1. Einrichtung zum Transport eines nach Art einer Broschüre gebundenen Gegenstands derart, daß ein Bindungsrückenende in einen Schneidmechanismus (58, 52) eingesetzt und durch diesen Mechanismus transportiert werden kann, wobei die Einrichtung folgendes enthält:
    Transportmittel (16) zum Transportieren des genannten Gegenstands zwischen einer ersten Position für das frontseitige Beschneiden und einer zweiten Position für das fußseitige und kopfseitige Beschneiden, wobei die Transportmittel mindestens ein Paar von Transportbändern (18, 20) enthalten, zwischen denen der Gegenstand transportiert wird, und das genannte Paar von Transportbändern (18, 20) ein Haupttransportband (20) aufweist, das um eine Hauptablenkrolle (24) geführt ist, die nahe dem Schneidmechanismus angeordnet ist, während das andere Band (18) um eine Antriebsrolle (32) nahe dem Schneidmechanismus gelegt ist,
    dadurch gekennzeichnet, daß die Einrichtung weiterhin mindestens ein synchron antreibbares Hilfstransportband (26) enthält, das um die genannte Antriebsrolle (32) gelegt und über eine Synchronisierungsrolle (124) mit einer Hilfsablenkrolle (28') gekoppelt ist, die näher an dem Schneidmechanismus (58, 52) als die Hauptablenkrolle (24) gelegen ist, wobei der Durchmesser der genannten Hilfsablenkrolle (28') kleiner als der Durchmesser der Hauptablenkrolle (24) ist; und daß die Einrichtung weiter einen Hilfstransportriernen (123) enthält, der sich um die genannte Hilfsablenkrolle (28') und eine zweite Hilfsrolle (120) erstreckt, wobei die genanne zweite Hilfsrolle (120) zur Abstimmung auf Gegenstände unterschiedlicher Dicken nach aufwärts und nach abwärts einstellbar ist.
  2. Einrichtung nach Anspruch 1, bei welcher die Hilfsablenkrolle (28') und die zweite Hilfsrolle (120) durch ein Verbindungsglied (118) verbunden sind.
  3. Einrichtung nach Anspruch 2, bei welcher das Verbindungsglied (118) schwenkbar ist und die Einstellung nach aufwärts und nach abwärts durch eine Schraubgewindeanordnung (110, 112, 114) vorgenommen wird, welche gegen eine Vorspannkraft wirkt.
  4. Einrichtung nach Anspruch 3, bei welcher diese einen Halterungsblock (126) enthält und die Vorspannkraft durch eine Feder (116) erzeugt wird, welche zwischen dem Verbindungsglied (118) und dem Halterungsblock (126) angeordnet ist.
  5. Einrichtung nach Anspruch 1, welche einen gesonderten Antrieb zum Antreiben des genannten Hilfstransportbandes (26) aufweist.
  6. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Hilfsablenkrolle (28') und die genannten zweite Ablenkrolle (120) an einen schwenkbaren Arm (90) angeschlossen sind, dessen Schwenkachse parallel zu der Drehachse der genannten Hilfsablenkrolle orientiert ist und der sich durch einen Wellenbereich (48) der Einrichtung erstreckt und ein verriegelbares Fallenteil (128) enthält, um die Position des schwenkbaren Armes (90) relativ zu dem genannten Wellenbereich (48) zu verriegeln.
  7. Einrichtung nach Anspruch 6, mit einer Exzenteranordnung (130) zur weiteren Einstellung der Position des genannten schwenkbaren Armes (90) relativ zu dem Wellenbereich (48).
  8. Einrichtung nach Anspruch 1, bei welcher das Hilfstransportband (123) gepolstert ist.
EP94922590A 1993-07-16 1994-07-18 Zuführvorrichtung für schneidvorrichtung Expired - Lifetime EP0710173B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/092,641 US5467677A (en) 1992-07-17 1993-07-16 Cutting apparatus
US92641 1993-07-16
PCT/US1994/008028 WO1995002488A1 (en) 1993-07-16 1994-07-18 Cutting apparatus

Publications (3)

Publication Number Publication Date
EP0710173A1 EP0710173A1 (de) 1996-05-08
EP0710173A4 EP0710173A4 (de) 1996-07-24
EP0710173B1 true EP0710173B1 (de) 2000-01-12

Family

ID=22234303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94922590A Expired - Lifetime EP0710173B1 (de) 1993-07-16 1994-07-18 Zuführvorrichtung für schneidvorrichtung

Country Status (5)

Country Link
EP (1) EP0710173B1 (de)
JP (1) JPH09500063A (de)
CA (1) CA2167057C (de)
DE (1) DE69422626T2 (de)
WO (1) WO1995002488A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502006006239D1 (de) 2006-06-01 2010-04-08 Mueller Martini Holding Ag Einrichtung zum Bearbeiten von Druckprodukten
CN107379360B (zh) * 2017-07-20 2023-09-05 浙江世窗光学薄膜制造有限公司 一种切边回收装置
CN112192645B (zh) * 2020-09-23 2021-07-27 江南大学 一种甘蔗切种装置及方法
CN113334475B (zh) * 2021-04-27 2022-06-07 青岛融合装备科技有限公司 一种高分子包装半导体新材料制备用裁剪设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321202A (en) * 1965-05-03 1967-05-23 Merrill D Martin Automatic sheet stackers
US3601265A (en) * 1968-11-27 1971-08-24 S & S Corrugated Paper Mach Blank stacking, straightening and delivery means
DE2237637C2 (de) * 1972-07-31 1974-03-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur gesteuerten abgabe von vereinzelten flachen sendungen wie insbesondere briefsendungen aus einem stapel
US3923169A (en) * 1973-05-10 1975-12-02 Drie Gerhardt Van Apparatus for collecting solid-waste material
NL8803007A (nl) * 1988-12-07 1990-07-02 Eillert B V Maschf Bandsnijmachine.
US5086681A (en) * 1989-12-29 1992-02-11 K. S. Macey Machine Company, Inc. Book feeding and trimming apparatus
US5147092A (en) * 1991-08-19 1992-09-15 Bell & Howell Phillipsburg Company Roller-accumulator for sheets

Also Published As

Publication number Publication date
EP0710173A1 (de) 1996-05-08
WO1995002488A1 (en) 1995-01-26
DE69422626T2 (de) 2000-06-21
EP0710173A4 (de) 1996-07-24
DE69422626D1 (de) 2000-02-17
CA2167057A1 (en) 1995-01-26
JPH09500063A (ja) 1997-01-07
CA2167057C (en) 2004-07-06

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