EP0736362B1 - Guillotine - Google Patents

Guillotine Download PDF

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Publication number
EP0736362B1
EP0736362B1 EP96103023A EP96103023A EP0736362B1 EP 0736362 B1 EP0736362 B1 EP 0736362B1 EP 96103023 A EP96103023 A EP 96103023A EP 96103023 A EP96103023 A EP 96103023A EP 0736362 B1 EP0736362 B1 EP 0736362B1
Authority
EP
European Patent Office
Prior art keywords
machine according
knife
blade
cutter bar
support shaft
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
EP96103023A
Other languages
German (de)
English (en)
Other versions
EP0736362A3 (fr
EP0736362A2 (fr
Inventor
Helmut Gross
Frank Stemmer
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.)
Adolf Mohr Maschinenfabrik GmbH and Co KG
Original Assignee
Adolf Mohr Maschinenfabrik GmbH and Co KG
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 Adolf Mohr Maschinenfabrik GmbH and Co KG filed Critical Adolf Mohr Maschinenfabrik GmbH and Co KG
Publication of EP0736362A2 publication Critical patent/EP0736362A2/fr
Publication of EP0736362A3 publication Critical patent/EP0736362A3/fr
Application granted granted Critical
Publication of EP0736362B1 publication Critical patent/EP0736362B1/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
    • B26D1/04—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 linearly-movable cutting member
    • B26D1/06—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 linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—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 linearly-movable cutting member wherein the cutting member reciprocates of the guillotine 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
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8867—With means to adjust tool position on tool holder
    • 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
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9483—Adjustable
    • 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
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9483—Adjustable
    • Y10T83/9486—Rectilinearly

Definitions

  • the invention relates to a face cutting machine, in particular for cutting leafy material, with a table for holding of the material to be cut and one in a vertical plane to the cutting device, which can move the table surface, some can be moved in a frame of the machine mounted knife bar and a knife attached to it has, with at least two adjustable devices in the Distance to each other are stored in the cutter bar for support of the knife in the area of the knife back on the knife bar, whereby the respective adjustable device via a pressure piece supported on the back of the knife.
  • a cutting machine of the type mentioned is from the DE-B-10 93 327 known. With this the knife is by means of several fastening screws connected to the cutter bar.
  • the screws are screwed into the threaded holes of the knife and penetrate elongated holes in the cutter bar, which are essentially extend vertically to the table surface. Consequently can the knife depending on its degree of wear and tear so that its regrinding in the desired position for Knife bars are positioned.
  • the knife is opposite to that Cutter bar, in addition to the fastening screws supported at least two places. This is done by a screw mounted in the cutter bar, which is in a pressure piece is screwed in, which is supported on the back of the knife.
  • a face cutting machine is known from DE-B-12 51 271, at who formed the adjustable device as a cam that is supported directly on the back of the knife.
  • the invention contributes to this state of the art a cutting machine of the type mentioned that the Pressure piece at least in the contact area with the respective adjustable device is hard trained, the adjustable Device has a cam with a vertical to this arranged, supported in the cutter bar support shaft is connected and the pressure piece with a plate-shaped Guide element is connected between the cam and the cutter bar is arranged and the support shaft engages behind.
  • the guide element is between the Cam and the cutter bar fixed, whose Rear grip causes it to swing in with the knife removed the support shaft is suspended.
  • the guide element advantageously has an elongated hole, the support shaft of this elongated hole enforced. In this design of the guide element is thus the pressure piece between the cam disc and the cutter bar positioned captively, but still in the longitudinal direction of the elongated hole according to the feed movement of the cam disc movable.
  • the hard pressure piece is a separate component, with what, um digging the adjustable device into the back of the knife to prevent it from being made of metal harden existing knives altogether. Rather, it is enough the pairing between the adjustable device and the To design the pressure piece with the corresponding hardness; between the pressure piece and the back of the knife is such a hardness Materials not required as the surface pressure between these parts is relatively small.
  • the cam disk is made of hardened Metal exists and the pressure piece in the contact area with the Cam is hard, preferably also made of hardened Metal.
  • the cam and that Pressure piece but made of any materials, provided they have the appropriate hardness and are suitable, a high To withstand surface pressure.
  • the great hardness of the pressure piece allows the cutting knife to be made in two parts, namely consisting of one connected to the cutter bar Knife holder made of non-hardened metal and one with the Knife holder connected, the actual cut through the good leading knife plate, for example in a recess of the knife holder and is hard with this is soldered.
  • the material pairing described above comes so hard material can only be used where high forces or Surface pressures are recorded. In the other areas it is sufficient to use less expensive, unhardened material use.
  • the cam can be rotated relative to the cutter bar and requires more or less about their curve design strong change in position of the knife relative to the knife bar.
  • the cam can, for example, in the essentially over a semicircle, in annex with have the peripheral surface section which can be brought back, the axis of the support shaft at a distance from the center of the circle is arranged.
  • an eccentricity is brought about allowed when rotating the cam disc by about 180 ° to perform maximum infeed movement.
  • the delivery movement of the Cam can also have a larger swivel angle take place, for example by means of a spiral design the cam, with a swivel angle of, for example 300 °. Basically, it is sufficient if the cam disc forces applied to them via the knife via the support shaft in the cutter bar.
  • the cam can thus basically be pivotable relative to the support shaft, in which case it should be specified, for example by they in their set position, which lies against the back of the knife is connected to the cutter bar. That is advantageous Cam but non-rotatably connected to the support shaft, the in turn by means of a clamping element in the direction of rotation and is axially fixable. Alternatively, the cam can also by means of one arranged between this and the cutter bar Be able to determine the friction lining. This can be in addition to the clamping element be provided.
  • the respective support shaft should drill a hole Enforce knife holder and thus from the operator side of the Cutting machine can be rotated and fixed.
  • a special development of the invention provides that a spacer is arranged between the pressure piece and the knife is. This is used when the knife is ready is worn out that a maximum infeed movement of the adjustable Facilities are not sufficient, the knife back in the required distance to the cutter bar. A further infeed movement of the knife is accordingly the gained strength of the spacer possible.
  • the spacer is conveniently connected to the knife, in particular with the Knife screwed.
  • the pressure pieces and / or the spacers are only advantageous arranged in the area of the knife where the pressure forces are to be transferred.
  • the pressure pieces and / or the spacers are advantageously cuboid.
  • the cutter bar with several, in the adjustment direction of the Knife relative to the knife carrier extending elongated holes provided, with each slot at least one threaded hole in the Knife is assigned, as well as a fastening screw this Elongated hole and the threaded hole penetrated.
  • the knife should be assigned several to each slot Have threaded holes related to the longitudinal extent of the slot are spaced from each other. It can be so the length of the respective elongated hole was kept relatively small , in order to achieve the long travel range, the respective Fixing screw in the slot assigned to each Threaded hole is screwed.
  • the wedge cutting machine according to the invention is in the figures illustrated by two embodiments, without this to be limited.
  • the face cutting machine 1 shown in FIG. 1 has one Stand 2 with table 3 and one each above the table extending portal frame 4.
  • the table 3 is used for recording of the material to be cut in cuboid form on the Table surface 6, which extends perpendicular to the sheet plane.
  • the good to be cut is in particular a pile of snowy goods formed from leaves. The good to be cut is not shown in the figure.
  • FIG. 1 illustrates the face cutting machine, from the operator side seen. Behind the portal frame 4 is in the table 3 Feed saddle 7 for moving the material to be cut vertically stored at the leaf level. Are illustrated in the figure the individual rake-like approaches 8 of the feed saddle.
  • a Knife bar 9 is mounted in the portal frame 4 and essentially vertical, i.e. movable in the sheet plane. Behind the Knife bar 9 is a knife that is only visible in the lower area 10 arranged and screwed to the cutter bar 9. In the Figure 1 screws not shown enforce a variety of vertically oriented slots 11 in the cutter bar 9 and with this corresponding threaded holes in the knife 10. Behind the knife 10 is visible only in the lower area Press bar 12 for pressing down the material to be cut provided during the cut.
  • the lower surface of the press beam 12 is illustrated by reference numeral 5, Cutting edge of knife 10 through line 13.
  • FIG. 1 the lower contour runs from the cutter bar 9 and cutter 10 inclined to the table surface 6, since the cutter bar 9 and that Knife 10 are moved in the swing cut and therefore only in their bottom dead centers parallel to the table surface 6 come to lie.
  • FIG. 1 illustrates the cutter bar 9, the knife 10 and the press beam 12 in their respective raised Position.
  • a data entry keyboard 14 is additionally shown Screen 15, switch 16, control buttons 17, a foot pedal 19 for the hint of cut and side plates 18 clarify.
  • FIGS. 2 and 3 illustrates in the area of two elongated holes 11 of the Knife bar 9 the connection of the knife 10 with the knife bar 9.
  • Each slot 11 is one, only for its threaded portion illustrated fastening screw 21 penetrates, the inserted through the slot 11 from the front and into a corresponding threaded hole of the knife 10 is screwed.
  • the slot 11 oriented vertically to the table surface 6 allows the knife bar 9 to remain in the same position the distance between the lower edge 13 of the knife and the table surface 6 to change.
  • the device 20 for knife support and their Adjustment is suitable, the knife 10 in any position to support.
  • a cam 22 which is a spiral and extending substantially over an angle of approximately 300 ° Has peripheral surface portion 23.
  • a support shaft 24 with this rotatably connected which has a horizontally oriented through hole 25 penetrated radially without play in the cutter bar 9.
  • the spiral runs thereby firmly connected about the pivot axis 26 of the support shaft 24 is the support shaft 24 with the cam plate 22 by training the support shaft 24 with a square insert, the one corresponding opening in the cam 22 with formation press fit.
  • a cuboidal pressure piece 29 inserted from hardened metal. This is by means of two screws 30 with a guide plate 31 connected. It extends in the vertical direction and receives the pressure piece 29 in the region of its lower end and is in her central area with one in her Provided longitudinally extending slot 32.
  • the guide plate 31 is between the cam plate 22 and the cutter bar 9 arranged, the support shaft 24, the slot 32 of the Guide plate 31 passes through.
  • Knife holder 33 made of non-hardened steel, the back of the knife 28, as well as one that performs the actual cut, with the cutting edge 13 provided knife plate 34, which in one Recess of the knife holder 33 used and hard with this is soldered.
  • the knife plate 34 is made of hardened steel.
  • the knife 10 can be reground, making it vertical Dimension reduced. Due to the design of the Chopping machine with the device for adjusting the Knife support can the knife 10 to its complete Grinding defined by means of the two at a distance from each other arranged cams 22 are supported.
  • Figure 2 illustrates the width dimension of a with the distance dimension x ' new knife 10.
  • Embodiment does not have a cuboid spacer 35 hardened metal by means of several screws 36 with the knife carrier 33 screwed in the area of the knife back 28.
  • the Figure shows that between the pressure piece 29 and the Knife 10 effective spacer 35 the full stroke of the associated Cam 22 is available again.
  • the length of the elongated holes 11 can be reduced if in the longitudinal extent of the respective elongated hole 11 a plurality of threaded holes are provided in the knife 10, so that depending 10 different from the width of the knife Threaded holes 21 can be used.
  • the length of the Elongated hole 32 in the respective guide plate 31 is like this dimensioned that the support shaft 24 during the eccentric stroke Elongated hole 32 can enforce freely.
  • the cam is 22 shrunk onto the rear end of the support shaft 24.
  • the support shaft 24 is through the bore 25 of the cutter bar 9 passed and in that of the associated cam 22nd front area facing away by means of a clamping plate 37 definable.
  • the clamping plate 37 has a recess 38 in the Cutter bar 9 and is provided with a hole whose Diameter slightly larger than the outside diameter of the Support shaft 24.
  • Parallel to axis 26 is the clamping plate 37 provided with a threaded bore 39 into which a screw 40 is screwed in, the shaft of a blind hole 41 in the cutter bar 9 enforced.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Shearing Machines (AREA)

Claims (14)

  1. Guillotine (1), destinée en particulier à couper un matériau en feuille, comportant une table (3) de réception du matériau à couper et un dispositif de coupe (9, 10) mobile dans un plan perpendiculaire à la surface (6) de la table et présentant une poutre de coupe (9) mobile dans un cadre (4) de la machine (1) et sur laquelle est fixée une lame (10), tandis que deux dispositifs réglables (20) séparés l'un de l'autre sont montés sur la poutre pour servir d'appui à la lame (10) sur la poutre (9) dans la zone du dos de la lame (28), une pièce de pression (29) étant interposée entre le dos de la lame (28) et chaque dispositif réglable (20),
    caractérisée en ce que
    la pièce de pression au moins dans sa zone en contact avec le dispositif réglable (20) correspondant est durcie et le dispositif réglable (20) comporte un disque de came relié à un arbre d'appui (24) monté perpendiculairement à lui dans la poutre de coupe, tandis que la pièce de pression (29) est reliée à un élément de guidage (31) en forme de plaque, monté entre le disque de came (22) et la poutre de coupe et en prise par l'arrière avec l'arbre d'appui (24).
  2. Guillotine selon la revendication 1,
    caractérisée en ce que
    le disque de came (22) comporte une partie formant portée périphérique (29) pouvant être amenée en contact avec la pièce de pression (29) et ayant essentiellement la forme d'une partie de cercle ou d'une spirale.
  3. Guillotine selon une des revendications 1 à 2,
    caractérisée en ce que
    l'arbre d'appui (24) est solidaire en rotation du disque de came (22).
  4. Guillotine selon une des revendications 1 à 4,
    caractérisée en ce que
    l'élément de guidage (31) présente une boutonnière (32) que traverse l'arbre d'appui (24).
  5. Guillotine selon une des revendications 1 à 4,
    caractérisée en ce que
    la lame (10) est composée d'un support (33) en métal non durci, relié au porte-lame (9) et d'une plaque de coupe (34) en métal durci, reliée au support de lame (33).
  6. Guillotine selon une des revendications 1 à 5,
    caractérisée en ce que
    le disque de came (22) est en métal et est durci au moins dans sa partie en contact avec la pièce de pression (29).
  7. Guillotine selon une des revendications 1 à 6,
    caractérisée en ce que
    la pièce de pression (29) est en métal, et est durci au moins dans sa partie en contact avec le disque de came (22).
  8. Guillotine selon une des revendications 1 à 7,
    caractérisée en ce que
    chaque arbre d'appui (24) peut être bloqué en rotation et axialement par un élément de serrage (37).
  9. Guillotine selon la revendication 8,
    caractérisée en ce que
    l'arbre d'appui (24) traverse un alésage (25) de la barre de coupe (9) et peut être bloqué en rotation et fixé à partir du côté de service de la guillotine (1).
  10. Guillotine selon une des revendications 1 à 9,
    caractérisée en ce qu'
    une pièce d'espacement (35) est montée entre la pièce de pression (29) et la lame (10).
  11. Guillotine selon la revendication 10,
    caractérisée en ce que
    la pièce d'espacement (35) est reliée à la lame (10), en particulier par des vis.
  12. Guillotine selon une des revendications 1 à 11,
    caractérisée en ce que
    la pièce de pression (29) et/ou la pièce d'espacement (35) ont une forme parallélépipédique.
  13. Guillotine selon une des revendications 1 à 12,
    caractérisée en ce que
    la poutre de coupe (9) est percée de plusieurs boutonnières orientées, par rapport au support (33), selon la direction de déplacement de la lame (10) et à chaque boutonnière est associé au moins un alésage fileté pratiqué dans la lame (10) ainsi qu'une vis de fixation (21) traversant cette boutonnière (11) et l'alésage fileté.
  14. Guillotine selon la revendication 13,
    caractérisée en ce que
    la lame (10) comporte, associés à chaque boutonnière (11), plusieurs alésages filetés espacés les uns des autres sur la longueur de la boutonnière (11).
EP96103023A 1995-04-03 1996-02-29 Guillotine Expired - Lifetime EP0736362B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19512106A DE19512106C1 (de) 1995-04-03 1995-04-03 Planschneidmaschine
DE19512106 1995-04-03

Publications (3)

Publication Number Publication Date
EP0736362A2 EP0736362A2 (fr) 1996-10-09
EP0736362A3 EP0736362A3 (fr) 1997-02-05
EP0736362B1 true EP0736362B1 (fr) 1998-11-25

Family

ID=7758439

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103023A Expired - Lifetime EP0736362B1 (fr) 1995-04-03 1996-02-29 Guillotine

Country Status (6)

Country Link
US (1) US5784940A (fr)
EP (1) EP0736362B1 (fr)
JP (1) JPH08267395A (fr)
DE (2) DE19512106C1 (fr)
ES (1) ES2125069T3 (fr)
SG (1) SG77112A1 (fr)

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AT407847B (de) * 1999-06-16 2001-06-25 Bacher Helmut Halterung für messer von granuliervorrichtungen
EP1172185A1 (fr) * 2000-07-14 2002-01-16 Adolf Mohr Maschinenfabrik GmbH & Co. KG Dispositif pour la coupe de matériaux en feuille
DE102004006799B4 (de) * 2004-02-11 2005-12-22 Niemann, Wolfgang, Dipl.-Ing. Schneidvorrichtung für Bahnmaterialien
JP4505801B2 (ja) * 2004-06-15 2010-07-21 豊和工業株式会社 シート切断機のカッタホルダ及びカッタの傾き補正用治具
DE202007018569U1 (de) 2006-12-18 2009-01-15 Adolf Mohr Maschinenfabrik Gmbh & Co. Kg Planschneidmaschine zum Schneiden von Stapeln blättrigen Guts
CN102365066B (zh) * 2009-02-20 2014-11-26 阿尔贝特·达克瑟尔 用于切割眼睛角膜的装置
JP2011005585A (ja) * 2009-06-25 2011-01-13 Nisca Corp シート束断裁装置及びこれを備えた製本装置
CN106945090B (zh) * 2017-05-05 2018-10-30 浙江班萘特复合材料股份有限公司 一种薄膜生产用高精度切膜装置
CA3063603C (fr) * 2017-05-16 2022-01-18 Urschel Laboratories, Inc. Unites modulaires, ensembles de serrage, et machines a trancher equipees de ceux-ci
JP6738520B1 (ja) * 2020-03-26 2020-08-12 近畿刃物工業株式会社 切断加工用刃物
EP4059676B1 (fr) * 2021-03-17 2023-06-07 Krug & Priester GmbH & Co. KG Machine à couper à réglage de la profondeur de lame

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DE2741560A1 (de) * 1977-09-15 1979-03-22 Jagenberg Werke Ag Messertrommel fuer querschneider
DE2921695A1 (de) * 1979-05-29 1980-12-04 Kremer Sondermann & Cie Maschinenmesser, insbesondere papierschneidemesser
DE3101911A1 (de) * 1981-01-22 1982-09-02 Karl Mohr "vorrichtung zum schneiden von papier, pappe oder dgl.."
DE3614926A1 (de) * 1986-05-02 1987-11-05 Krause Biagosch Gmbh Messertraeger fuer eine papierschneidemaschine
US4936177A (en) * 1986-06-19 1990-06-26 Fuji Photo Film Co., Ltd. Cutter
US5035165A (en) * 1990-05-29 1991-07-30 Madsen Dale R Quick slip holder for bag machine
US5121626A (en) * 1991-08-06 1992-06-16 Caterpillar Inc. Adjustable die support for a press brake
SE469940B (sv) * 1992-01-14 1993-10-11 Rolf Arne Larsson Anordning för fasthållning av knivblad i en cylinder avsedd för bearbetning av en löpande bana

Also Published As

Publication number Publication date
EP0736362A3 (fr) 1997-02-05
JPH08267395A (ja) 1996-10-15
DE19512106C1 (de) 1996-11-07
EP0736362A2 (fr) 1996-10-09
DE59600854D1 (de) 1999-01-07
US5784940A (en) 1998-07-28
ES2125069T3 (es) 1999-02-16
SG77112A1 (en) 2000-12-19

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