EP0241388A1 - Rollenschneidmaschine - Google Patents

Rollenschneidmaschine Download PDF

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Publication number
EP0241388A1
EP0241388A1 EP87420071A EP87420071A EP0241388A1 EP 0241388 A1 EP0241388 A1 EP 0241388A1 EP 87420071 A EP87420071 A EP 87420071A EP 87420071 A EP87420071 A EP 87420071A EP 0241388 A1 EP0241388 A1 EP 0241388A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
frame
cutting
rollers
pressure
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
EP87420071A
Other languages
English (en)
French (fr)
Other versions
EP0241388B1 (de
Inventor
Jean Gautier
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT87420071T priority Critical patent/ATE54869T1/de
Publication of EP0241388A1 publication Critical patent/EP0241388A1/de
Application granted granted Critical
Publication of EP0241388B1 publication Critical patent/EP0241388B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/265—Journals, bearings or supports for positioning rollers or cylinders relatively to each other
    • 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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4833—Cooperating tool axes adjustable relative to each other
    • 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4844—Resiliently urged cutter or anvil member
    • 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
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9309—Anvil
    • Y10T83/9312—Rotatable type
    • 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
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type

Definitions

  • the present invention relates to a rotary cutting or upsetting device (creation of crushing lines) of flat products, such as strips or blanks of paper, cardboard, fabric, plastic, wadding, etc.
  • Continuous rotary cutters or upsetters which comprise a cutting or delivery cylinder equipped with tool (s), and working in cooperation with an anvil cylinder, also called counterpart or counter-cutting cylinder.
  • such a rotary cutter of the known art comprises a cutting cylinder 1 and an anvil cylinder 2 superimposed and with parallel axes, which are fixed, by means of four rolling bearings 3-6, on a rigid frame 7.
  • the cutting cylinder 1 is placed above the anvil cylinder 2.
  • the two cylinders are pressed one against the other by means of screws 8 or jacks, the pressure force being communicated to the bearings 3-6 of these cylinders.
  • the rotary drive is generally carried out by the shaft 9 of the cutting cylinder, sometimes also by the shaft 10 of the anvil cylinder.
  • the bearings 3-6 provide the lateral and transverse guides of the cylinders 1,2 in the frame 7.
  • the rigidity of the latter is essential to ensure a perfect cut. As soon as the cutting edge 11 has decreased by a few hundredths of a millimeter, the tool no longer cuts well enough, or no longer at all, and must therefore be replaced.
  • the active part must be made of a noble material, the whole is also, which results in a higher cost for the latter than it actually would be necessary.
  • - Guide alignment faults are responsible for excessive pressures which lead to rapid deterioration of the tools; the operator has a tendency to tighten the pressure screws even more when a tool cuts poorly.
  • the device for rotary cutting or pushing flat products does not have this type of drawback. It is characterized in that it comprises a rigid frame at the lower part of which is located a cradle on which rest rollers, or the like, for supporting, rolling and guiding the lower part of the lower cylinder, the upper part of the frame comprising means for guiding a pressure plate carrying rollers or the like at its lower part for rolling and guiding the upper part of the upper cylinder, the pressure plate being associated with means for adjusting the bearing pressure upper rollers on the upper cylinder, in that the shafts of the two cylinders, are only supported and guided by bearings placed on one side of the frame, no bearing existing on the opposite side, and in that the cylinders of cut or discharge and the anvil cylinder are both of tabular shape, so as to fit tightly on the corresponding shaft, said frame being equipped with passages allowing the introduction and removal of said tubular cylinders by the side of the frame having no bearings.
  • the immobilization of each of said tubular cylinders on the corresponding shaft is carried out by means of a shaft expansion device arranged in the axis thereof.
  • the pressure plate is associated with force sensors making it possible to control the wear of the tool or tools and the value of the pressure applied to the cutting cylinder.
  • the anvil cylinder comprises, inside its body, a pressure device allowing by external control to very slightly increase its diameter to compensate for the wear of the tool or tools.
  • said pressure device is a device which can act locally, so as to vary locally, and in a controlled manner, the diameters of rolling from one cylinder to the other.
  • a rotary cutter comprising, as is the case for the known rotary cutter of Figures 1 and 2 previously described, a rigid frame 7, a cutting cylinder 1 with drive shaft 9 and bearing bearing 3, an anvil cylinder 2 with shaft 10 and bearing 4.
  • a cradle 12 carrying as shown four lower rollers 13.
  • the upper part of the frame 7 has spacers 14 which serve as a guide for an upper pressure plate 15.
  • This pressure plate 15 carries on its lower part four other rollers 16.
  • the anvil cylinder 2 rests with all its weight on the lower rollers 13, while the upper rollers 16, which are as shown in line with the lower rollers 13, bear on the upper part of the cutting cylinder 1.
  • the upper and lower rollers form a set of contact lines which ensure the alignment of the respective generatrices of the cutting and anvil cylinders.
  • the left part 31 of the frame is hollow, so as to easily give passage to the tubular cylinders 19 and 20 of cutting and anvil. They are therefore assembled by fitting them onto the enlarged parts 17, 18 of the shafts 9 and 10. These two shafts therefore never need to be removed from the machine.
  • the pressure required by the cut is applied, by conventional screw pressure devices 21, to the upper pressure plate 15, preferably as shown in line with the four upper rollers 16.
  • the immobilization of the cylindrical ring 19 and 20 for cutting and anvil on their central shaft 17 and 18 is advantageously carried out, which has not been shown in the drawing so as not to unnecessarily burden it, by a conventional device, hydraulic or pneumatic, for expanding the corresponding shaft 17, 18, arranged in the axis of the latter.
  • the anvil tubular cylinder 20 comprises, in its internal body, a hydraulic pressure separation device making it possible to slightly increase its external diameter.
  • a hydraulic pressure separation device making it possible to slightly increase its external diameter.
  • the machine is stopped temporarily and, using an adjustment key, hydraulic pressure is applied to a piston located inside the anvil cylinder. The latter then sees its outside diameter increase by a few percent, which allows, without changing the cutting cylinder, to temporarily continue production.
  • the pressure device in the anvil cylinder is a device acting locally, so as to vary locally, and in a controlled manner, the diameters of rolling from one cylinder to the other, this which makes it possible to overcome the particular phenomena which occur in contact with the cutting and anvil cylinders.
  • the upper pressure plate 15 is associated with force sensors 22, such as pressure sensors, placed at the end of the screws 21 as shown, and making it possible to obtain a signal for monitoring the wear of the tools, as well as the value of the pressure applied to the cutting cylinder. It indeed seems essential to drive a device of this type with precision so as to obtain all the advantages, in particular those relating to the high yields of the tools as a result of precise guidance.
  • the machine of the invention will be equipped with an automatic counting system which will allow maintenance personnel to follow precisely the progress and the performance of the machine between each change of tools.
  • Figures 7 and 8 show a variant of the rotary cutter of Figures 4 to 6.
  • This embodiment differs from the previous one in that it uses four pairs of rollers 13 at the bottom instead of two, and four pairs of rollers 16 upstairs instead of two.
  • Four guide lines have thus increased to eight. It is also possible to go up to twelve.
  • This variant embodiment is justified whenever a high cutting power and greater cutting precision are sought.
  • it allows the use of ceramic edge tools, thanks to its guiding precision.
  • the flexions, detrimental in the prior art, are excessively reduced, the stressed section undergoing the cutting and counter-cutting pressures being that corresponding to the diameter of the cylinders, much larger than that of the shafts 9,10 which then have only a driving role and not a support.
  • the shafts 9.10 therefore only serve to transmit the torques, the guiding of the cutting and anvil cylinders being ensured by trains of upper 16 and lower 13 rollers which always remain in place.
  • the tool change and stop times vary between 2 and 10 minutes depending on the size of the cutting devices.
  • the perfect guidance (obtained by construction) of the four to twelve guide lines ensures the longevity of the cutting cylinders.
  • Cutting pressures can be perfectly controlled, which has a direct impact on the longevity of the cutting cylinders.
  • the transmission system remains in place. The shaft remains permanently on the device even during the change of the cutting cylinders. - One piece is sliding, so wear is reduced.
  • rollers 16 and / or lower 13 In order to ensure perfect contact on a horizontal plane formed by the upper rollers 16 and / or lower 13, the rollers can be connected, two by two, by a hydraulic pipe in order to ensure a hydrostatic suspension.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Threshing Machine Elements (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Control Of Cutting Processes (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Press Drives And Press Lines (AREA)
EP87420071A 1986-03-13 1987-03-12 Rollenschneidmaschine Expired - Lifetime EP0241388B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420071T ATE54869T1 (de) 1986-03-13 1987-03-12 Rollenschneidmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8604123 1986-03-13
FR8604123A FR2595610A1 (fr) 1986-03-13 1986-03-13 Dispositif de decoupe rotative ou de refoulage pour produits plats

Publications (2)

Publication Number Publication Date
EP0241388A1 true EP0241388A1 (de) 1987-10-14
EP0241388B1 EP0241388B1 (de) 1990-07-25

Family

ID=9333419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420071A Expired - Lifetime EP0241388B1 (de) 1986-03-13 1987-03-12 Rollenschneidmaschine

Country Status (8)

Country Link
US (1) US4770078A (de)
EP (1) EP0241388B1 (de)
JP (1) JPS62228395A (de)
KR (1) KR870008635A (de)
AT (1) ATE54869T1 (de)
DE (1) DE3763879D1 (de)
ES (1) ES2016644B3 (de)
FR (1) FR2595610A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138923A (en) * 1988-11-18 1992-08-18 Atlas Die, Inc. Rotary die cutter
DE3924053A1 (de) * 1989-07-21 1991-01-24 Wilhelm Aichele Vorrichtung zum rotationsschneiden von werkstoffbahnen
US5189935A (en) * 1990-11-09 1993-03-02 Richard Rosemann Rotary cutting die assembly
WO1992008584A1 (en) * 1990-11-09 1992-05-29 Rosemann Richard R Rotary cutting die assembly
US5156076A (en) * 1991-05-21 1992-10-20 Rosemann Richard R Radially adjustable anvil roll assembly for a rotary die cutting press
US5946994A (en) * 1991-12-11 1999-09-07 Corropak, Inc. Void fill material and process for manufacturing same
FR2684913B1 (fr) * 1991-12-16 1996-02-02 Umat Appareil de decoupage rotatif.
US5348527A (en) * 1992-09-01 1994-09-20 Rdp Marathon Inc. Apparatus for cutting and stacking a multi-form web
US5417132A (en) * 1993-01-19 1995-05-23 Alan R. Pfaff Rotary cutting dies
US5515757A (en) * 1993-02-22 1996-05-14 Corfine, Inc. Rotary die cutters
US5598758A (en) * 1993-07-22 1997-02-04 Moore Business Forms, Inc. Quick change cassette hole punch unit
US5467678A (en) * 1993-08-25 1995-11-21 Stollenwerk; Josef A. Apparatus for automatically applying equalized pressure to a rotary cutting die
US6532854B2 (en) 1994-01-21 2003-03-18 Best Cutting Die Company Cutting die clamping mechanism
US5697277A (en) * 1994-05-17 1997-12-16 Best Cutting Die Company Multi use rotary die plate system
US5498148A (en) * 1994-08-10 1996-03-12 Recot, Inc. Apparatus for forming sheets of material having a uniform thickness and cutting individual portions therefrom
US5553965A (en) * 1995-02-14 1996-09-10 Eastman Kodak Company Constraint system for parallel cantilever shafts
US5498433A (en) * 1995-04-18 1996-03-12 Recot, Inc. Apparatus and process for forming sheets of material having a uniform thickness
US6076444A (en) * 1997-08-01 2000-06-20 Best Cutting Die Company Panel cutting apparatus with selectable matrices for vacuum and air
WO1999015299A1 (en) * 1997-09-26 1999-04-01 Eltron International, Inc. Laminator printer
DE19834104A1 (de) * 1998-07-29 2000-02-03 Aichele Werkzeuge Gmbh & Co Kg Schneidvorrichtung
EP1092516A1 (de) * 1999-10-11 2001-04-18 Gi Due S.r.l. Vorrichtung zur Verstellung von Zylindern in Druckmaschinen, insbesondere für Rillvorrichtungen
DE10040024C1 (de) * 2000-08-16 2002-07-25 Aichele Werkzeuge Gmbh Schneidvorrichtung
DE10044705C1 (de) * 2000-09-09 2002-02-21 Aichele Werkzeuge Gmbh Rotationsschneidvorrichtung
DE10109933C1 (de) * 2001-02-21 2002-08-22 Aichele Werkzeuge Gmbh Schneidvorrichtung und Schneidwerkzeug
US7299729B2 (en) 2001-05-23 2007-11-27 Cox William A Rotary die module
US20030044481A1 (en) * 2001-08-28 2003-03-06 Beaudry Wallace J. Cast ceramic edge or embossed surface for a cutting die
NL1024915C2 (nl) * 2003-12-01 2005-06-06 Jean Henry Robert Madern Inrichting voor het aanbrengen van een snede, ril en dergelijke, omvattende een plaatvormig stelsel.
SE527886C2 (sv) * 2004-07-02 2006-07-04 Sandvik Intellectual Property En rotationskniv, en stödvals och en rotationsknivsanordning
SE528038C2 (sv) * 2004-07-02 2006-08-15 Sandvik Intellectual Property En luftdistributionsaggregat och en rotationsknivanordning försedd med ett dylikt lutfdistributionsaggregat
SE527838C2 (sv) 2004-07-02 2006-06-20 Sandvik Intellectual Property En rotationskniv och en rotationsknivanordning försedd med en dylik rotationskniv
SE529998C2 (sv) 2005-04-07 2008-02-05 Sandvik Intellectual Property En stödvalstrumma och en stödvalsenhet för en roterbar skäranordning
US7849772B2 (en) * 2005-04-07 2010-12-14 Sandvik Intellectual Property Ab Rotary cutting apparatus comprising a cutter drum and an anvil drum
DE102006044610B4 (de) * 2006-09-19 2008-11-20 WINKLER+DüNNEBIER AG Vorrichtung zum Schneiden und/oder Prägen eines Zuschnittes oder einer Materialbahn
US8490912B2 (en) * 2009-12-22 2013-07-23 Jesus H. Sanchez Arbor mounted disc adjusting apparatus
US8863627B2 (en) 2011-03-18 2014-10-21 The Procter & Gamble Company Anvil roll system and method
DE102011108505A1 (de) * 2011-07-25 2013-01-31 Gallus Druckmaschinen Gmbh Vorrichtung zum Stanzen mit einstellbarem Zylinderabstand
DE102011108954A1 (de) * 2011-07-29 2013-01-31 Gallus Druckmaschinen Gmbh Vorrichtung zum Stanzen mit hydrostatischer Zylinderlagerung
EP3041750B1 (de) * 2013-08-01 2018-07-25 Eti Converting Equipment Vorrichtung und verfahren zum schneiden von aussenschichten
ITUB20153933A1 (it) * 2015-09-28 2017-03-28 Cartes S R L Apparato per processare un materiale flessibile.
CN109015890A (zh) * 2018-08-13 2018-12-18 深圳市博硕科技有限责任公司 一种提高圆刀单刀产能的工艺
EP3915702A1 (de) 2020-05-29 2021-12-01 Proxicad S.r.l. Rotierendes messer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE487823C (de) * 1929-05-18 1929-12-14 Goebel A G Vorrichtung zum Stuetzen von Messerwellen an Rollenschneidmaschinen
DE2917937A1 (de) * 1979-05-04 1980-11-13 Bielomatik Leuze & Co Querschneider mit wenigstens einer rotierenden messerwalze
US4452116A (en) * 1981-05-06 1984-06-05 Preston Engravers, Inc. Assembly for rotary die cutting utilizing a shaftless roll
US4517873A (en) * 1983-04-25 1985-05-21 Wilson Manufacturing Company Die cutting apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553461A (en) * 1982-10-12 1985-11-19 Magna-Graphics Corporation Rotary web processing apparatus
US4507996A (en) * 1982-11-15 1985-04-02 Preston Engravers, Inc. Device for transferring and monitoring load to die roll
US4641558A (en) * 1985-08-16 1987-02-10 B & H Manufacturing Company Rotatable shaft assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE487823C (de) * 1929-05-18 1929-12-14 Goebel A G Vorrichtung zum Stuetzen von Messerwellen an Rollenschneidmaschinen
DE2917937A1 (de) * 1979-05-04 1980-11-13 Bielomatik Leuze & Co Querschneider mit wenigstens einer rotierenden messerwalze
US4452116A (en) * 1981-05-06 1984-06-05 Preston Engravers, Inc. Assembly for rotary die cutting utilizing a shaftless roll
US4517873A (en) * 1983-04-25 1985-05-21 Wilson Manufacturing Company Die cutting apparatus

Also Published As

Publication number Publication date
JPS62228395A (ja) 1987-10-07
EP0241388B1 (de) 1990-07-25
FR2595610A1 (fr) 1987-09-18
KR870008635A (ko) 1987-10-19
ATE54869T1 (de) 1990-08-15
DE3763879D1 (de) 1990-08-30
US4770078A (en) 1988-09-13
ES2016644B3 (es) 1990-11-16

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