EP0220415A2 - Apparatus for cutting sheets - Google Patents

Apparatus for cutting sheets Download PDF

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Publication number
EP0220415A2
EP0220415A2 EP86111723A EP86111723A EP0220415A2 EP 0220415 A2 EP0220415 A2 EP 0220415A2 EP 86111723 A EP86111723 A EP 86111723A EP 86111723 A EP86111723 A EP 86111723A EP 0220415 A2 EP0220415 A2 EP 0220415A2
Authority
EP
European Patent Office
Prior art keywords
cutting
bolts
cutting table
distance
steel strip
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
EP86111723A
Other languages
German (de)
French (fr)
Other versions
EP0220415A3 (en
EP0220415B1 (en
Inventor
Erwin Gerdes
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.)
Airbus Defence and Space GmbH
Original Assignee
Messerschmitt Bolkow Blohm 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 Messerschmitt Bolkow Blohm AG filed Critical Messerschmitt Bolkow Blohm AG
Priority to AT86111723T priority Critical patent/ATE55081T1/en
Publication of EP0220415A2 publication Critical patent/EP0220415A2/en
Publication of EP0220415A3 publication Critical patent/EP0220415A3/en
Application granted granted Critical
Publication of EP0220415B1 publication Critical patent/EP0220415B1/en
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
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B26F3/008—Energy dissipating devices therefor, e.g. catchers; Supporting beds therefor
    • 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
    • B26D7/20—Cutting beds
    • 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
    • Y10T83/04—Processes
    • Y10T83/0591—Cutting by direct application of fluent pressure to work
    • 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
    • Y10T83/2192—Endless conveyor
    • 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
    • Y10T83/364—By fluid blast and/or suction
    • 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
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6584—Cut made parallel to direction of and during work movement
    • Y10T83/6633—By work moving flexible chain or conveyor

Definitions

  • the invention relates to a device for cutting flat materials according to the preamble of claim 1.
  • a high-pressure liquid jet from a numerically controlled cutting nozzle cuts the material placed on a cutting table, in particular fiber-reinforced composite material.
  • a collecting container is provided below the cutting table, which is fed to the cutting nozzle. This prevents wetting of the underside of the material to be cut, which is otherwise caused by the liquid jet, as a result of which this economical cutting method can also be used for the production of components for aircraft and spacecraft.
  • the invention is based on the device of the main patent (main patent application) and has the task of designing the cutting table for automatic disposition of the material to be cut. This object is achieved by the characterizing features of claim 1.
  • the cutting table according to the invention ensures a very good support for the material to be cut thanks to the steel band guided and tensioned, which can be penetrated by the high-pressure liquid jet practically unhindered.
  • the cutting device can therefore be used as a processing stage within an assembly line production, since there are no difficulties with the material supply and material transfer.
  • the cutting table consists of two endless chains 3, 4 guided around rollers 1, 2, 2.
  • the roller 2 is driven by a drive motor 5, while the roller 1 serves as a pure deflection roller.
  • the material to be cut 6 is unrolled from a supply roll 7 and cut by a cutting nozzle 8, as described in the main patent.
  • a collecting container 9 arranged below the cutting table is fed to the cutting nozzle 8.
  • the movement of the cutting table that is, the chain drive determining the unrolling of the material to be cut from the supply roll 7, can also be used.
  • the links of the chains 3, 4 are each connected to outwardly projecting bolts 10, at the projecting ends of which two rollers 11 are attached. These rollers 11 engage to secure the distance of the chains 3, 4 in each case in a transverse web 13 of a circumferential, T-shaped guide groove 12 following the chain guide, which are provided on the machine base body.
  • a tab 14 having a plurality of bolts 15 is fastened in each case.
  • Tab 14 is provided with two tensioning and clamping devices 16, with which a thin steel strip 17, which is guided around the bolts 15 of two opposite tabs 14, is tensioned and fastened.
  • the meandering steel bands 17 of all chain links therefore form a rotating cutting table which can be penetrated by the liquid jet 18 of the cutting nozzle 8 practically unhindered.
  • Stainless steel strip with a thickness of 0.1 mm to 0.3 mm and a width of 30 mm can be used for the steel strip 17.
  • the distance between the bolts 15 in the tabs 14 is dimensioned to double the bolt thickness, which is preferably 6 mm.
  • the device according to the invention permits automatic disposition of the band-shaped material to be cut 6 rolled from the supply roll 7 onto the rotating cutting table.
  • the steel band 17 stretched between the plates of the distance-secured chains 3, 4 is sufficiently stiff so that cutting with the liquid jet 18 of the cutting nozzle 8 is unproblematic is.
  • This also applies to other separation processes, such as laser, air or steam jet separation processes.
  • the device according to the invention can therefore be used in automatic assembly line production without difficulty. It is also possible to replace the steel strip 17 with a steel wire or with a strip or a wire of a suitable material.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

Die Erfindung bezieht sich auf eine Vorrichtung zum Schneiden flacher Werkstoffe, wie Folien oder flache, faserverstärkte Verbundwerkstoffe. Als Schneidvorrichtung dient gemäß der Hauptpatentanmeldung P 3519939 ein Hochdruck-Flüssigkeitsstrahl, dem unterhalb des Schneidtisches ein Auffangbehälter nachgeführt wird. Der Schneidtisch besteht aus zwei um Rollen geführten, umlaufenden Ketten, zwischen deren distanzgesicherten Gliedern jeweils ein dünnes, mäanderförmig geführtes Stahlband angeordnet ist.

Figure imgaf001
The invention relates to a device for cutting flat materials, such as foils or flat, fiber-reinforced composite materials. According to the main patent application P 3519939, a high-pressure liquid jet serves as the cutting device, which is followed by a collecting container below the cutting table. The cutting table consists of two revolving chains, which are guided around rollers, between whose spaced-apart links a thin, meandering steel band is arranged.
Figure imgaf001

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Schneiden flacher Werkstoffe nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for cutting flat materials according to the preamble of claim 1.

Eine derartige Vorrichtung ist bereits im Hauptpatent ..... (Patentanmeldung P 35 19 939.3) unseres Hauses vorgeschlagen worden. Bei dieser Vorrichtung schneidet ein Hochdruck-Flüssigkeitsstrahl einer numerisch gesteuerten Schneiddüse das auf einen Schneidtisch aufgelegte Material, insbesondere faserverstärkten Verbundwerkstoff. Unterhalb des Schneidtisches ist ein Auffangbehälter vorgesehen, welcher der Schneiddüse nachgeführt wird. Hierdurch wird eine vom Flüssigkeitsstrahl sonst hervorgerufene Benetzung der Unterseite des Schneidgutes verhindert, wodurch dieses wirtschaftliche Schneidverfahren auch zur Herstellung von Bauteilen für Luft- und Raumfahrzeuge einsetzbar wird.Such a device has already been proposed in our main patent ... (patent application P 35 19 939.3). In this device, a high-pressure liquid jet from a numerically controlled cutting nozzle cuts the material placed on a cutting table, in particular fiber-reinforced composite material. A collecting container is provided below the cutting table, which is fed to the cutting nozzle. This prevents wetting of the underside of the material to be cut, which is otherwise caused by the liquid jet, as a result of which this economical cutting method can also be used for the production of components for aircraft and spacecraft.

Die Erfindung geht von der Vorrichtung des Hauptpatentes (Hauptpatentanmeldung) aus und hat die Aufgabe, den Schneidtisch für eine automatische Disposition des Schneidgutes auszubilden. Diese Aufgabe ist durch die Kennzeichenmerkmale des Anspruchs 1 gelöst.The invention is based on the device of the main patent (main patent application) and has the task of designing the cutting table for automatic disposition of the material to be cut. This object is achieved by the characterizing features of claim 1.

Der erfindungsgemäße Schneidtisch gewährleistet durch das mänderförmig geführte und verspannte Stahlband eine sehr gute Schneidgutauflage, die vom Hochdruck-Flüssigkeitsstrahl praktisch ungehindert durchdrungen werden kann. Das bedeutet, daß die Schneiddüse auf dem Schneidtisch in jede beliebige Position verfahrbar wird, so daß der Disposition des Schneidgutes auf dem Schneidtisch praktisch keine Grenzen gesetzt sind. Die Schneidvorrichtung kann daher als Bearbeitungsstufe innerhalb einer Fließbandfertigung eingesetzt werden, da Schwierigkeiten bei der Materialzuführung und Materialweitergabe nicht bestehen.The cutting table according to the invention ensures a very good support for the material to be cut thanks to the steel band guided and tensioned, which can be penetrated by the high-pressure liquid jet practically unhindered. This means that the cutting nozzle on the cutting table can be moved into any position, so that there are practically no limits to the disposition of the material to be cut on the cutting table. The cutting device can therefore be used as a processing stage within an assembly line production, since there are no difficulties with the material supply and material transfer.

Die Erfindung wird anhand der beiliegenden Zeichnung näher erläutert: Es zeigen:

  • Fig. 1 das Prinzip einer Schneidvorrichtung mit einer endlosen Kette für den Schneidtisch,
  • Fig. 2 eine vergrößerte Schnittdarstellung II-II gemäß Fig. 1 und
  • Fig. 3 eine vergrößerte Draufsicht III gemäß Fig. 2.
The invention is explained in more detail with reference to the accompanying drawing, in which:
  • 1 shows the principle of a cutting device with an endless chain for the cutting table,
  • Fig. 2 is an enlarged sectional view II-II of FIG. 1 and
  • 3 is an enlarged top view III of FIG. 2.

Wie die Darstellungen nach Fig. 1 bis 3 zeigen, besteht der Schneidtisch aus zwei um Rollen 1,2 2 geführten, endlosen Ketten 3, 4. Die Rolle 2 wird hierbei durch einen Antriebsmotor 5 angetrieben, während die Rolle 1 als reine Umlenkrolle dient. Auf dem Schneidtisch wird das Schneidgut 6 von einer Vorratsrolle 7 abgerollt und von einer Schneiddüse 8, wie im Hauptpatent beschrieben, zugeschnitten. Beim Schneiden wird ein unterhalb des Schneidtisches angeordneter Auffangbehälter 9 der Schneiddüse 8 nachgeführt. Zum Schneiden in Längsrichtung des Schneidtisches kann auch die Bewegung des Schneidtisches, das heißt, der das Abrollen des Schneidgutes von der Vorratsrolle 7 bestimmende Kettenvortrieb benutzt werden.1 to 3, the cutting table consists of two endless chains 3, 4 guided around rollers 1, 2, 2. The roller 2 is driven by a drive motor 5, while the roller 1 serves as a pure deflection roller. On the cutting table, the material to be cut 6 is unrolled from a supply roll 7 and cut by a cutting nozzle 8, as described in the main patent. During the cutting, a collecting container 9 arranged below the cutting table is fed to the cutting nozzle 8. For cutting in the longitudinal direction of the cutting table, the movement of the cutting table, that is, the chain drive determining the unrolling of the material to be cut from the supply roll 7, can also be used.

Wie aus Fig. 2 hervorgeht, sind die Glieder der Ketten 3, 4 jeweils mit nach außen hervorstehenden Bolzen 10 verbunden, an deren hervorstehenden Enden jeweils zwei Rollen 11 angebracht sind. Diese Rollen 11 greifen zur Distanzsicherung der Ketten 3, 4 jeweils in einen Quersteg 13 einer der Kettenführung folgenden, umlaufenden, T-förmigen Führungsnut 12 ein, welche am Maschinengrundkörper vorgesehen sind. An den flachen Gliedern der Ketten 3, 4 sind, wie Fig. 2 und 3 zeigen, jeweils eine mehrere Bolzen 15 aufweisende Lasche 14 befestigt. Außerdem ist jede Lasche 14 mit zwei Spann- und Klemmvorrichtungen 16 versehen, mit welchen jeweils ein um die Bolzen 15 zweier gegenüberliegender Laschen 14 mäanderförmig geführtes, dünnes Stahlband 17 gespannt und befestigt wird. Die mäanderförmigen Stahlbänder 17 aller Kettenglieder bilden daher einen umlaufenden Schneidtisch, der vom Flüssigkeitsstrahl 18 der Schneiddüse 8 praktisch unbehindert durchdrungen werden kann. Für das Stahlband 17 kann rostfreies Stahlband mit einer Stärke von 0,1 mm bis 0,3 mm und einer Breite von 30 mm eingesetzt werden. Der Abstand der Bolzen 15 in den Laschen 14 ist auf den doppelten Betrag der Bolzendicke bemessen, die vorzugsweise 6 mm beträgt.As can be seen from Fig. 2, the links of the chains 3, 4 are each connected to outwardly projecting bolts 10, at the projecting ends of which two rollers 11 are attached. These rollers 11 engage to secure the distance of the chains 3, 4 in each case in a transverse web 13 of a circumferential, T-shaped guide groove 12 following the chain guide, which are provided on the machine base body. On the flat links of the chains 3, 4, as shown in FIGS. 2 and 3, a tab 14 having a plurality of bolts 15 is fastened in each case. Besides, everyone is Tab 14 is provided with two tensioning and clamping devices 16, with which a thin steel strip 17, which is guided around the bolts 15 of two opposite tabs 14, is tensioned and fastened. The meandering steel bands 17 of all chain links therefore form a rotating cutting table which can be penetrated by the liquid jet 18 of the cutting nozzle 8 practically unhindered. Stainless steel strip with a thickness of 0.1 mm to 0.3 mm and a width of 30 mm can be used for the steel strip 17. The distance between the bolts 15 in the tabs 14 is dimensioned to double the bolt thickness, which is preferably 6 mm.

Die erfindungsgemäße Vorrichtung erlaubt eine automatische Disposition des von der Vorratsrolle 7 auf den umlaufenden Schneidtisch abgerollten bandförmigen Schneidgutes 6. Das zwischen den Laschen der distanzgesicherten Ketten 3, 4 gespannte Stahlband 17 ist hinreichend steif, so daß das Schneiden mit dem Flüssigkeitsstrahl 18 der Schneiddüse 8 unproblematisch ist. Dies gilt aber auch für andere Trennverfahren, wie Laser-, Luft- oder Dampfstrahltrennverfahren. Die erfindungsgemäße Vorrichtung kann daher ohne Schwierigkeiten in eine automatische Fließbandfertigung eingesetzt werden. Dabei ist es auch möglich, das Stahlband 17 durch einen Stahldraht oder durch ein Band bzw. einen Draht geeigneten Werkstoffes zu ersetzen.The device according to the invention permits automatic disposition of the band-shaped material to be cut 6 rolled from the supply roll 7 onto the rotating cutting table. The steel band 17 stretched between the plates of the distance-secured chains 3, 4 is sufficiently stiff so that cutting with the liquid jet 18 of the cutting nozzle 8 is unproblematic is. However, this also applies to other separation processes, such as laser, air or steam jet separation processes. The device according to the invention can therefore be used in automatic assembly line production without difficulty. It is also possible to replace the steel strip 17 with a steel wire or with a strip or a wire of a suitable material.

Claims (6)

1. Vorrichtung zum Schneiden flacher Werkstoffe, wie Folien oder flache, faserverstärkte Verbundwerkstoffe, mit einem Schneidetisch und einer durch eine numerische Steuerung in der Schneidebene verfahrbaren Schneiddüse, deren Hochdruck-Flüssigkeitsstrahl nach Durchdringen des Schneidgutes gemäß Patent ......... (Patentanmeldung P 35 19 939.3) mit einem unterhalb des Schneidtisches der Schneiddüse nachgeführten Auffangbehälter aufgefangen wird, dadurch gekennzeichnet, daß der Schneidtisch aus zwei um Rollen (1, 2) geführten, distanzgesicherten, endlosen Ketten (3, 4) besteht, deren Glieder Laschen (14) mit mehreren, gleichmäßig verteilten Bolzen (15) aufweisen und daß an den Laschen (14) der Kettenglieder jeweils ein dünnes Stahlband (17) befestigt und mäanderförmig um die Bolzen (15) zwischen den gegenüberliegenden Laschen (14) geführt und gespannt ist.1. Device for cutting flat materials, such as foils or flat, fiber-reinforced composites, with a cutting table and a cutting nozzle which can be moved in the cutting plane by means of a numerical control, the high-pressure liquid jet of which penetrates the material to be cut in accordance with the patent ......... (Patent application P 35 19 939.3) is collected with a collecting container tracked below the cutting table of the cutting nozzle, characterized in that the cutting table consists of two distance-secured, endless chains (3, 4) guided around rollers (1, 2), the links of which link plates (14) with several, evenly distributed bolts (15) and that a thin steel band (17) is attached to each of the plates (14) of the chain links and meandered around the bolts (15) between the opposite plates (14) and tensioned . 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß an den Kettengliedern Bolzen (10) mit Führungsrollen (11) vorgesehen sind, die in Querstege (13) umlaufender Führungsnuten (12) zur Distanzsicherung eingreifen.2. Device according to claim 1, characterized in that bolts (10) with guide rollers (11) are provided on the chain links, which engage in transverse webs (13) circumferential guide grooves (12) for securing the distance. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß für das Stahlband (17) rostfreier Bandstahl mit einer Stärke von 0,1 bis 0,3 mn und einer Breite von ca. 30 nm benutzt wird.3. Device according to claim 1 or 2, characterized in that for the steel strip (17) stainless steel strip with a thickness of 0.1 to 0.3 mm and a width of about 30 nm is used. 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Abstand der Bolzen (15) in den Laschen (14) auf den doppelten Betrag der Bolzendicke bemessen ist.4. Device according to one of claims 1 to 3, characterized in that the distance between the bolts (15) in the tabs (14) is dimensioned to twice the amount of the bolt thickness. 5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Stahlband (17) durch ein Band geeigneten Werkstoffes ersetzt ist.5. Device according to one of claims 1 to 4, characterized in that the steel band (17) is replaced by a band of suitable material. 6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Stahlband (17) durch einen Stahldraht oder Draht geeigneten Werkstoffes ersetzt ist.6. Device according to one of the preceding claims, characterized in that the steel strip (17) is replaced by a steel wire or wire of suitable material.
EP86111723A 1985-09-25 1986-08-25 Apparatus for cutting sheets Expired - Lifetime EP0220415B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86111723T ATE55081T1 (en) 1985-09-25 1986-08-25 DEVICE FOR CUTTING FLAT MATERIALS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3534096 1985-09-25
DE19853534096 DE3534096A1 (en) 1985-09-25 1985-09-25 DEVICE FOR CUTTING FLAT MATERIALS

Publications (3)

Publication Number Publication Date
EP0220415A2 true EP0220415A2 (en) 1987-05-06
EP0220415A3 EP0220415A3 (en) 1988-04-20
EP0220415B1 EP0220415B1 (en) 1990-08-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP86111723A Expired - Lifetime EP0220415B1 (en) 1985-09-25 1986-08-25 Apparatus for cutting sheets

Country Status (4)

Country Link
US (1) US4799415A (en)
EP (1) EP0220415B1 (en)
AT (1) ATE55081T1 (en)
DE (1) DE3534096A1 (en)

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US8894468B2 (en) 2012-05-16 2014-11-25 Flow International Corporation Fluid jet receptacle with rotatable inlet feed component and related fluid jet cutting system and method
US9358668B2 (en) 2012-07-19 2016-06-07 Ascent Aerospace, Llc Fluid jet receiving receptacles and related fluid jet cutting systems
WO2014160415A2 (en) 2013-03-13 2014-10-02 Flow International Corporation Fluid jet receiving receptacles with receptacle covers and related fluid jet cutting systems and methods
US9573289B2 (en) 2013-10-28 2017-02-21 Flow International Corporation Fluid jet cutting systems
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EP0583029A1 (en) * 1992-08-04 1994-02-16 Machinefabriek Meyn B.V. Conveyor belt
US5372246A (en) * 1992-08-04 1994-12-13 Machinefabriek Meyn B.V. Conveyor belt for cutting machines
WO2009065429A1 (en) * 2007-11-24 2009-05-28 Trumpf Werkzeugmaschinen Gmbh + Co.Kg Method and apparatus for holding of plate-shaped materials and for disposal of parts separated therefrom

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US4799415A (en) 1989-01-24
DE3534096C2 (en) 1988-06-16
EP0220415A3 (en) 1988-04-20
EP0220415B1 (en) 1990-08-01
ATE55081T1 (en) 1990-08-15
DE3534096A1 (en) 1987-04-16

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