EP0595773B1 - Dispositif pour produire des feuilles à format égal de bandes en matériau - Google Patents

Dispositif pour produire des feuilles à format égal de bandes en matériau Download PDF

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Publication number
EP0595773B1
EP0595773B1 EP93810747A EP93810747A EP0595773B1 EP 0595773 B1 EP0595773 B1 EP 0595773B1 EP 93810747 A EP93810747 A EP 93810747A EP 93810747 A EP93810747 A EP 93810747A EP 0595773 B1 EP0595773 B1 EP 0595773B1
Authority
EP
European Patent Office
Prior art keywords
cutting
knife roller
cutting edges
cutting edge
circumference
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
EP93810747A
Other languages
German (de)
English (en)
Other versions
EP0595773A1 (fr
Inventor
Helmut Schulz
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.)
Grapha Holding AG
Original Assignee
Grapha Holding AG
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 Grapha Holding AG filed Critical Grapha Holding AG
Publication of EP0595773A1 publication Critical patent/EP0595773A1/fr
Application granted granted Critical
Publication of EP0595773B1 publication Critical patent/EP0595773B1/fr
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
    • B26D7/26—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
    • 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
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/38—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member
    • B26D1/385—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and coacting with a fixed blade or other fixed member for thin material, e.g. for sheets, strips or the like
    • 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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/60—Folding or cutting crosswise
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction means
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2183—Product mover including gripper means
    • Y10T83/2185—Suction gripper
    • 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
    • Y10T83/4847—With cooperating stationary tool
    • 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
    • Y10T83/9396—Shear type
    • Y10T83/9399—Cutting edge wholly parallel to axis of rotation
    • 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
    • Y10T83/9406—Radially adjustable tool
    • 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
    • Y10T83/9457—Joint or connection
    • Y10T83/9464—For rotary tool
    • Y10T83/9469—Adjustable

Definitions

  • the present invention relates to a device according to the preamble of patent claim 1.
  • Devices of the aforementioned type are used in particular in the processing of printed material webs, in which strip-shaped sections are cut out between the printed images in order to be able to convey the desired format to the sheet.
  • a device known as a knife roller which, distributed around the circumference of the rotating knife roller, has two pairs of cutting edges which are fastened in parallel next to one another on a carrier formed by recesses.
  • the knives are displaced slightly beyond the cutting circle and clamped slightly so that they can be returned to the cutting position by the shear bar when the knife roller is manually turned and then screwed on. This procedure often proves to be insufficient in terms of accuracy and requires readjustment work due to the unevenness between the interacting cutting edges.
  • the cutting edges are fastened to shafts which adjoin one another in an adjustable manner and are fastened to the knife roller in alignment with a tendon.
  • the exact setting of each cutting edge takes a lot of time because their individually adjustable shafts lie against each other and the adjustment or setting of a cutting edge is made more difficult due to the resulting static friction.
  • the object of the present invention is therefore to provide a device for producing sheets of the same format from material webs, in particular a knife roller, with which the cut quality is increased in a simple manner and the service life of the cutting edges is lengthened.
  • the feed members are advantageously formed by screws, each of which penetrates a bore extending from the circumference of the knife roller to the opposite clamping surface, the screws preferably being provided with a fine thread due to the small adjustment values. This enables the cutting edges to be adjusted and locked in a reliable manner.
  • the holes expediently have corresponding threads, the arrangement of which in the hole corresponds to the type of screw used.
  • the inventive arrangement of the clamping surfaces approximately at right angles to one another realizes a simple configuration of the cutting edges.
  • the end of a shaft having the cutting edge could be designed in a step-like manner, wherein the cutting edge can be fastened both to the recessed shoulder and to the projecting end.
  • the cutting edge could of course be made in one piece with the shank, for example from a tool steel or through one a cutting plate fastened to a structural steel. All the longitudinal edges of a shaft could be designed as regrindable cutting edges.
  • the knife roller is formed on the circumference between the cutting edges by a narrow strip adjoining the intermediate space , which determines the position of the cutting edges and against which the shafts of the cutting edges can rest, so that it serves to open connecting lines alternately connected to a vacuum or compressed air source.
  • connecting lines are extended by an air guide strip fastened to the strip, the respectively of which the sections forming a connecting line end open laterally offset into the intermediate space.
  • extension sections of the connecting line can have an angled course towards the side of the intermediate space.
  • the connecting line can be of expanded design immediately before the extension section, so that the deviation of the angle of incidence of the drill from the vertical can be limited to the workpiece.
  • FIG. 1 shows a device 1 - part of a cross cutter - for producing single sheets of the same format from material webs 2 made of paper, textiles or plastics.
  • material webs 2 made of paper, textiles or plastics.
  • the fastening devices of the printing plate and the rubber blanket on the printing cylinders on the printed product result in unprinted strips between the printed images.
  • a printing cylinder circumference or printing format of 24 "or 609.6 mm which is used to produce two A4 formats, each with a length of 297 mm.
  • the illustrated device 1 consists of a rotating knife roller 3, which is driven in the cutting area with the material web 2 in the same direction (direction of rotation according to arrow A) and at least one adjustable, with a stationary counter knife 4 on the circumference - which, like the cutting of the knife roller, also with respect Parallelism can differ slightly from the axis of rotation - has interacting pair of cutting edges formed from two cutting edges 5, 6. Each cutting edge 5, 6 is arranged or fastened to a shank 7, 8 and extends over the cutting width of the device 1.
  • the strip-like shank 7, 8 is secured by a plurality of screws 9 on a clamping surface 12, each formed by a prismatic recess 10, 11 , 13 fastened, the latter forming a right angle approximately uniformly distributed on both sides of a radial plane of the axis of rotation on the knife roller 3.
  • a feed element formed from a plurality of screws 17 acts perpendicularly to the clamping surface 12, 13, whereby the cutting edges 5, 6 can be precisely adjusted relative to the counter cutting edge 4.
  • the screws 17 could be due to special design conditions on the knife roller also adopt a feed direction that deviates from the vertical.
  • the screws 17 distributed at regular intervals across the width of the knife roller 3 are guided in bores 14, the screws 17 being formed by a cylindrical pin 15 acting on the shaft 7, 8 and at the rear end by a thread 16 which has a thread combs in the bore 14.
  • the screws 17 or bores 14 assigned to the one clamping surface 12, 13 are each offset in the direction of extension of the knife roller 3 with respect to the screws 17 or bores 14 of the opposite clamping surface 12, 13, since the pins 15 intersect with the front ends.
  • the knife roller 3 shows the line 18 and one of the connecting lines 21 communicating with it, which are spaced along one Surface line of the knife roller 3 open into the space formed by the cutting edges 5, 6 or the flanks of two cutting edges.
  • the knife roller 3 is formed on the circumference by a narrow strip 22, which each form a front end stop 23 of the cutting edges 5, 6 with the prismatic recesses 10, 11 on the knife roller.
  • the strip 22 is set back with respect to the cutting circle 24 of the knife roller 3 and the outlet opening 25 of the connecting line 21 is designed to be expanded in such a way that the latter communicates with the sections 27 of the air guide strip 26 attached to the strip 22 that form the end of the connecting line.
  • the air guide strip 26 has inclined side surfaces which run approximately parallel to the adjacent flanks of the cutting edges 5, 6.
  • line sections 27 are angled relative to the connecting lines 21 and laterally offset in the air guide strip, so that narrow strips can also be detected by the vacuum.
  • the alternate connection of the line 18 with the vacuum source or the compressed air source or the atmospheric environment takes place via the annular chamber-shaped stationary slots 19, 20 provided on / in front of at least one end face of the knife roller 3, the longer slot 19 with the vacuum, slot 20 with the Pressure source is connected.
  • a suction hood 28 Arranged above the knife roller 3 is a suction hood 28, in which an air flow acting in the direction of arrow B is generated, which removes the strips from the space between the cutting edges 5, 6.
  • the peripheral speed of the knife roller 3 is adjustable relative to the speed of the paper web.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Advancing Webs (AREA)
  • Making Paper Articles (AREA)

Claims (8)

  1. Dispositif pour produire des feuilles de format identique à partir de bandes de papier, de textiles ou de matières plastiques, en découpant des morceaux en forme de bandes s'étendant transversalement par rapport à la direction d'avancement de la bande de matériau (2), qui est composé d'un cylindre porte-couteaux rotatif (3) qui est entraîné dans la zone de coupe dans le même sens que la bande de matériau (2) et présente sur le pourtour au moins une paire de lames (5, 6) réglables coopérant avec une contre-lame (4), les lames (5, 6) étant chaque fois fixées sur des surfaces de fixation (12, 13) au moyen d'une tige en forme de baguette (7, 8), caractérisé en ce que les lames (5, 6) sont réglables par plusieurs organes d'avance (17) placés derrière une lame (5, 6), approximativement perpendiculairement à la surface de fixation (12, 13), et agissant sur la tige (7, 8), en ce que les surfaces de fixation (12, 13) associées à une paire de lames sont placées dans des évidements prismatiques, de part et d'autre d'un plan radial coupant l'axe de rotation du cylindre porte-couteaux (3), en étant approximativement uniformément réparties et en formant un angle approximativement droit.
  2. Dispositif selon la revendication 1, caractérisé en ce que la bissectrice de deux flancs formant une lame (5, 6) est orientée dans la zone tranchante approximativement perpendiculairement à la bande de matériau.
  3. Dispositif selon la revendication 2, caractérisé en ce que les organes d'avance sont formés par des vis (17) qui traversent chaque fois un perçage (14) s'étendant du pourtour du cylindre porte-couteaux (3) à la surface de fixation (12, 13).
  4. Dispositif selon la revendication 3, caractérisé en ce que les perçages (14) présentent un taraudage (16).
  5. Dispositif selon l'une des revendications 1 à 4, comprenant plusieurs conduites de jonction (21) partant de l'intérieur du cylindre porte-couteaux et débouchant dans un intervalle formé par les lames, et reliées alternativement à une source de vide et à une source d'air comprimé, caractérisé en ce que le cylindre porte-couteaux (3) est réalisé sur le pourtour entre les lames (5, 6) par une mince baguette (22) adjacente à l'intervalle.
  6. Dispositif selon la revendication 5, caractérisé en ce que les conduites de jonction (21) sont prolongées par une baguette de guidage de l'air (26) fixée à la baguette (22), dont les segments (27) formant chaque fois l'une des extrémités de la conduite de jonction débouchent dans l'intervalle en étant décalés latéralement.
  7. Dispositif selon la revendication 6, caractérisé en ce que les segments de prolongation (27) des conduites des jonction (21) présentent un tracé coudé vers le côté.
  8. Dispositif selon les revendications 6 et 7, caractérisé en ce que les conduites de jonction (21) sont réalisées de façon élargie directement avant le segment de prolongation (27).
EP93810747A 1992-10-30 1993-10-22 Dispositif pour produire des feuilles à format égal de bandes en matériau Expired - Lifetime EP0595773B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3393/92 1992-10-30
CH339392 1992-10-30

Publications (2)

Publication Number Publication Date
EP0595773A1 EP0595773A1 (fr) 1994-05-04
EP0595773B1 true EP0595773B1 (fr) 1996-12-27

Family

ID=4255008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810747A Expired - Lifetime EP0595773B1 (fr) 1992-10-30 1993-10-22 Dispositif pour produire des feuilles à format égal de bandes en matériau

Country Status (3)

Country Link
US (1) US5437213A (fr)
EP (1) EP0595773B1 (fr)
DE (1) DE59304886D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145573A (zh) * 2010-11-30 2011-08-10 西安新达机械有限公司 壁纸印刷涂布机壁纸切刀刀口调整系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE505429C2 (sv) * 1995-11-06 1997-08-25 Larssons Rolf Mek Verk Skäranordning med två knivar av vilka den ena är en justerbar dubbelkniv
MXPA01011932A (es) * 1999-05-24 2004-03-16 Bretting C G Mfg Co Inc Aparato de retencion de trama y metodo para cuchilla de corte.
US6895845B2 (en) * 2003-06-06 2005-05-24 Advance Graphics Equipment Of York, Inc. Rotary sheeter having an improved vacuum means for cross trim removal

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US1515377A (en) * 1924-01-02 1924-11-11 White James Bertwell Stock cutter
US2081363A (en) * 1933-09-27 1937-05-25 Meisel Press Mfg Company Perforator
US2582522A (en) * 1947-08-15 1952-01-15 Masson Scott & Company Ltd Mounting of rotary cutting means for paper, card, and the like
CH276155A (fr) * 1947-08-15 1951-06-30 Masson Scott & Company Limited Couteau rotatif pour machine à couper les matières minces.
FR1101454A (fr) * 1954-05-29 1955-10-06 Saladin & Co Procédé pour faire fonctionner des machines à hacher, à lames, fonctionnant à sec, pour matières constituées de fibres, et machine à hacher, à lames, fonctionnant à sec, destinée à la mise en oeuvre dudit procédé
US2805715A (en) * 1954-06-08 1957-09-10 Smithe Machine Co Inc F L Flying cutter
FR1168773A (fr) * 1957-03-04 1958-12-16 Dispositif de couteau réglable pour machines à découper en tranches et analogues
CA614504A (en) * 1957-08-30 1961-02-14 M. Kwitek Edwin Web cutting apparatus
US3128663A (en) * 1961-02-06 1964-04-14 Norman E Dovey Knife support
US3214106A (en) * 1962-11-05 1965-10-26 H & G Tool Co Carbide tipped chipper
US3230809A (en) * 1963-11-13 1966-01-25 Alfred A Luck Cooperating rotary cutter blades with means to adjust angular traverse position of blades
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DE2741560A1 (de) * 1977-09-15 1979-03-22 Jagenberg Werke Ag Messertrommel fuer querschneider
US4467687A (en) * 1981-12-29 1984-08-28 Special Products Engineering Corporation Alignment system for a rotary cutter
DE3718776C1 (de) * 1987-06-04 1988-08-25 Strecker Valmet Rotations-Gleichlaufquerschneider
DE4023257C2 (de) * 1990-07-21 1993-12-02 Heidelberger Druckmasch Ag Querschneider für mit Druckbildern versehene Materialbahnen
DE4036785C2 (de) * 1990-11-17 1994-11-24 Jagenberg Ag Messertrommel für Maschinen zum Querschneiden von Materialbahnen
US5140880A (en) * 1991-05-08 1992-08-25 Littleton Industrial Consultants, Inc. Push-pull apparatus and method for web cutting and trim strip removal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145573A (zh) * 2010-11-30 2011-08-10 西安新达机械有限公司 壁纸印刷涂布机壁纸切刀刀口调整系统

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Publication number Publication date
EP0595773A1 (fr) 1994-05-04
DE59304886D1 (de) 1997-02-06
US5437213A (en) 1995-08-01

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