EP1440927B1 - Gripper for a flat material processing machine - Google Patents

Gripper for a flat material processing machine Download PDF

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Publication number
EP1440927B1
EP1440927B1 EP03104392A EP03104392A EP1440927B1 EP 1440927 B1 EP1440927 B1 EP 1440927B1 EP 03104392 A EP03104392 A EP 03104392A EP 03104392 A EP03104392 A EP 03104392A EP 1440927 B1 EP1440927 B1 EP 1440927B1
Authority
EP
European Patent Office
Prior art keywords
gripper
bead
spindle
machine
grippers
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
EP03104392A
Other languages
German (de)
French (fr)
Other versions
EP1440927A1 (en
Inventor
Rudolf Öchsner
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1440927A1 publication Critical patent/EP1440927A1/en
Application granted granted Critical
Publication of EP1440927B1 publication Critical patent/EP1440927B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/165—Details of sheet gripping means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/53—Rotary gripping arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/57—Details of the gripping parts
    • B65H2405/573—Pair of L-shaped reciprocating jaws

Definitions

  • the invention relates to a gripper for a flat material processing machine according to the preamble of claim 1.
  • processing machines are often used on a carrier-mounted gripper used, which serve to clamp an edge of a flat piece of material and thus to facilitate the transport and optionally the processing of the sheet (eg DE 19 00 057 A DE 43 30 610 A1).
  • a typical application is z.
  • a folder in which isolated from a printed web printed products are fed to a folding blade cylinder, held on the folding blade of grippers and guided to a gap between the folding blade and a jaw cylinder, extending through a folding blade extending out folding blade along a direction transverse to the conveying direction Line are inserted into a jaw of the jaw cylinder and then released from the gripper of the folding blade to allow their advancement in the folded state on the jaw cylinder.
  • the grippers of the folding blade cylinder are generally mounted on a gripper spindle which is mounted on the folding blade cylinder in the vicinity of its periphery and is pivotable to pinch a printed matter at the appropriate time or release.
  • a gripper spindle must perform quick, abrupt movements for clamping or releasing the printed product.
  • the invention has the object zurunde, a gripper for a flat material To create a processing machine whose function and use is improved.
  • the achievable with the present invention consist in particular in that the gripper has a high rigidity with low weight and therefore fast, abrupt pivotal movements of the gripper spindle can quickly follow.
  • This advantage is achieved by increasing the stiffness of the gripper relative to that of a simple sheet metal stamped gripper of similar dimensions by a bead extending along the stem of the gripper, between a base portion thereof for attachment to the gripper spindle, and a head portion for pressing the flat material, in particular paper, against a carrier extends.
  • the bead is preferably extended over the base portion.
  • Holes for attaching the gripper to the carrier are formed in the base portion of the bead. This allows attachment of the gripper by simply screwing with the aid of passing through the holes screws; a clamping by means of separate from the gripper to the spindle mounted clamp holders is not required.
  • the bead ends in front of a curved portion of the head.
  • the rigidity of this curved portion is therefore not as great as that of the stem, so that it is possible to compensate for any deviations between the positions of the tips of the gripper mounted on the spindle by a deformation of the head.
  • the thickness of the sheet from which the grippers are formed should not over 1.75 mm, preferably about 1.5 mm.
  • the grippers are preferably attached to a flattened longitudinal side of the gripper spindle, which largely the orientation of the gripper pretends.
  • Fig. 1 shows in Part A a side view of the gripper 01, z. B. hook hook 01, in Part B is an end view of the direction indicated in Fig. 1A with B direction and in Part C is a plan view of the direction indicated in Part A with C direction.
  • the hook hook 01 shown in FIGS. 1A to 1C is punched in one piece from a steel sheet of 1.5 mm thickness.
  • An elongated stem 02 connects a curved to a hook head portion 03 with a base portion 04.
  • a stiffening bead 06 extends over the base portion 04 and the stem 02 until shortly before the beginning of the curvature of the head portion 03.
  • the bead 06 is omitted in order to maintain a certain deformability of the head portion 03 even in the finished state of the hook hook 01, which makes it possible to align the tips exactly on a common line connecting all the tips when a plurality of the hook hooks 01 are mounted on a common support by deforming the head portions 03.
  • Fig. 2 shows a perspective view of a carrier 08, z. B. a gripper spindle 08, which carries a plurality of gripper hooks 01 shown in Fig. 1A to 1C. These gripper hooks 01 are each placed on a flattened longitudinal side 09 of the gripper spindle 08, so that they are all oriented in the plane of the longitudinal side 09, and firmly screwed.
  • the bead 06 makes it possible to produce the gripper hook 01 from a sheet of low thickness, without this being associated with losses in the dimensional stability of the hook hook 01 during operation. This not only saves material, but the compared to conventional; not gripped hooks low mass of the hook hook 01 ensures a low moment of inertia of the gripper spindle 08 and thus allows operation of the gripper spindle 08 at high speeds.
  • Another measure which reduces the moment of inertia of the gripper spindle 08 is the direct attachment of the gripper hooks 01 to the gripper spindle 08 by means of screws 11 guided through the holes 07. Conventional stirrups or similar gripping devices, each holding the gripper hook 01 between itself and the body hold the gripper spindle 08 clamped, are not provided here, so that their weight and moment of inertia falls away.
  • the grippers 01 can preferably be arranged in a cylinder of a folding apparatus.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Tyre Moulding (AREA)
  • Advancing Webs (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

The grip (01) has a base sector (04) to apply to a carrier on the machine, a rod (02) and a head sector (03), formed in one piece from a single sheet. There is a bead (06) formed in the sheet, at least along the rod of the grip. The bead may extend beyond the base sector. There may be holes (07) formed in the base sector either side of the beat for fixing the grip to the carrier.

Description

Die Erfindung betrifft einen Greifer für eine Flachmaterial verarbeitende Maschine gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a gripper for a flat material processing machine according to the preamble of claim 1.

In Flachmaterial, insbesondere Papier, verarbeitenden Maschinen kommen häufig auf einem Träger befestigte Greifer zum Einsatz, die dazu dienen, eine Kante eines Flachmaterialstücks zu klemmen und so den Transport und gegebenenfalls die Verarbeitung des Flachmaterials zu ermöglichen (z. B. DE 19 00 057 A, DE 43 30 610 A1).In flat material, in particular paper, processing machines are often used on a carrier-mounted gripper used, which serve to clamp an edge of a flat piece of material and thus to facilitate the transport and optionally the processing of the sheet (eg DE 19 00 057 A DE 43 30 610 A1).

Eine typische Anwendung ist z. B. ein Falzapparat, bei dem von einer bedruckten Bahn vereinzelte Druckerzeugnisse einem Falzmesserzylinder zugeführt werden, an dem Falzmesserzylinder von Greifern gehalten und zu einem Spalt zwischen dem Falzmesserzylinder und einem Falzklappenzylinder geführt werden, durch ein aus dem Falzmesserzylinder ausfahrendes Falzmesser entlang einer quer zur Förderrichtung verlaufenden Linie in eine Falzklappe des Falzklappenzylinders eingeschoben und dann von den Greifern des Falzmesserzylinders losgelassen werden, um ihre Weiterbeförderung in gefalztem Zustand auf dem Falzklappenzylinder zu ermöglichen.A typical application is z. As a folder in which isolated from a printed web printed products are fed to a folding blade cylinder, held on the folding blade of grippers and guided to a gap between the folding blade and a jaw cylinder, extending through a folding blade extending out folding blade along a direction transverse to the conveying direction Line are inserted into a jaw of the jaw cylinder and then released from the gripper of the folding blade to allow their advancement in the folded state on the jaw cylinder.

Die Greifer des Falzmesserzylinders sind im allgemeinen auf einer Greiferspindel montiert, die am Falzmesserzylinder in der Nähe von dessen Umfang montiert ist und schwenkbar ist, um ein Druckerzeugnis jeweils zum angemessenen Zeitpunkt einzuklemmen bzw. freizugeben. Eine solche Greiferspindel muss schnelle, abrupte Bewegungen zum Einklemmen bzw. Freigeben des Druckerzeugnisses durchführen.The grippers of the folding blade cylinder are generally mounted on a gripper spindle which is mounted on the folding blade cylinder in the vicinity of its periphery and is pivotable to pinch a printed matter at the appropriate time or release. Such a gripper spindle must perform quick, abrupt movements for clamping or releasing the printed product.

Die Erfindung liegt die Aufgabe zurunde, einen Greifer für eine Flachmaterial verarbeitende Maschine zu schaffen, dessen Funktion und Verwendungsmöglichkeit verbessert ist.The invention has the object zurunde, a gripper for a flat material To create a processing machine whose function and use is improved.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.The object is achieved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass der Greifer eine hohe Steifigkeit bei geringem Gewicht besitzt und daher schnellen, abrupten Schwenkbewegungen der Greiferspindel schnell folgen kann. Dieser Vorteil wird erreicht, indem die Steifigkeit des Greifers gegenüber der eines einfach aus Blech gestanzten Greifers ähnlicher Abmessungen durch eine Sicke erhöht ist, die sich entlang des Stiels des Greifers, zwischen einem Basisabschnitt desselben, der zur Befestigung an der Greiferspindel dient, und einem Kopfabschnitt zum Andrücken des Flachmaterials, insbesondere Papier, gegen einen Träger, erstreckt.The achievable with the present invention consist in particular in that the gripper has a high rigidity with low weight and therefore fast, abrupt pivotal movements of the gripper spindle can quickly follow. This advantage is achieved by increasing the stiffness of the gripper relative to that of a simple sheet metal stamped gripper of similar dimensions by a bead extending along the stem of the gripper, between a base portion thereof for attachment to the gripper spindle, and a head portion for pressing the flat material, in particular paper, against a carrier extends.

Zur Erhöhung der Steifigkeit ist die Sicke vorzugsweise über den Basisabschnitt verlängert.To increase the rigidity, the bead is preferably extended over the base portion.

Löcher zur Befestigung des Greifers an dem Träger sind im Basisabschnitt der Sicke gebildet. Dies erlaubt eine Befestigung des Greifers durch einfaches Anschrauben mit Hilfe von durch die Löcher verlaufenden Schrauben; eine Klemmung mit Hilfe von getrennt vom Greifer an der Spindel montierten Klemmhaltern ist nicht erforderlich.Holes for attaching the gripper to the carrier are formed in the base portion of the bead. This allows attachment of the gripper by simply screwing with the aid of passing through the holes screws; a clamping by means of separate from the gripper to the spindle mounted clamp holders is not required.

Vorzugsweise endet die Sicke vor einem gekrümmten Abschnitt des Kopfes. Die Steifigkeit dieses gekrümmten Abschnittes ist daher nicht so groß wie die des Stiels, so dass es möglich ist, eventuelle Abweichungen zwischen den Positionen der Spitzen der an der Spindel montierten Greifer durch eine Verformung des Kopfes auszugleichen.Preferably, the bead ends in front of a curved portion of the head. The rigidity of this curved portion is therefore not as great as that of the stem, so that it is possible to compensate for any deviations between the positions of the tips of the gripper mounted on the spindle by a deformation of the head.

Um das Gewicht der Greifer und damit das Trägheitsmoment der Greiferspindel niedrig zu halten, sollte die Stärke des Blechs, aus dem die Greifer gebildet sind, nicht über 1,75 mm, vorzugsweise ca. 1,5 mm, betragen.In order to keep the weight of the gripper and thus the moment of inertia of the gripper spindle low, the thickness of the sheet from which the grippers are formed, should not over 1.75 mm, preferably about 1.5 mm.

Um die Spitzen der Greifer exakt in einer Reihe ausrichten zu können und so zu gewährleisten, dass ein Stück Flachmaterial auf seiner gesamten Breite gleichzeitig von den Greifern erfasst wird, sind die Greifer vorzugsweise an einer abgeflachten Längsseite der Greiferspindel befestigt, welche die Orientierung der Greifer weitgehend vorgibt.In order to align the tips of the gripper exactly in a row and thus to ensure that a piece of flat material is detected by the grippers simultaneously over its entire width, the grippers are preferably attached to a flattened longitudinal side of the gripper spindle, which largely the orientation of the gripper pretends.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Es zeigen:

Fig. 1A bis Fig. 1C
drei Ansichten eines Greifers;
Fig. 2
eine perspektivische Ansicht einer Greiferspindel.
Show it:
Fig. 1A to Fig. 1C
three views of a gripper;
Fig. 2
a perspective view of a gripper spindle.

Fig. 1 zeigt in Teil A eine Seitenansicht des Greifers 01, z. B. Greiferhakens 01, in Teil B eine Endansicht aus der in Fig. 1A mit B bezeichneten Richtung und in Teil C eine Draufsicht aus der im Teil A mit C bezeichneten Richtung.Fig. 1 shows in Part A a side view of the gripper 01, z. B. hook hook 01, in Part B is an end view of the direction indicated in Fig. 1A with B direction and in Part C is a plan view of the direction indicated in Part A with C direction.

Der in der Fig. 1A bis 1C gezeigte Greiferhaken 01 ist einteilig aus einem Stahlblech von 1,5 mm Stärke ausgestanzt. Ein langgestreckter Stiel 02 verbindet einen zu einem Haken gekrümmten Kopfabschnitt 03 mit einem Basisabschnitt 04. Eine versteifende Sicke 06 erstreckt sich über den Basisabschnitt 04 und den Stiel 02, bis kurz vor Beginn der Krümmung des Kopfabschnitts 03. Im Kopfabschnitt 03 ist die Sicke 06 fortgelassen, um auch im fertigen Zustand des Greiferhakens 01 eine gewisse Verformbarkeit des Kopfabschnitts 03 aufrechtzuerhalten, die es bei Anbringung mehrerer der gezeigten Greiferhaken 01 auf einem gemeinsamen Träger durch Verformen der Kopfabschnitte 03 ermöglicht, deren Spitzen exakt auf eine gemeinsame, alle Spitzen verbindende Linie auszurichten.The hook hook 01 shown in FIGS. 1A to 1C is punched in one piece from a steel sheet of 1.5 mm thickness. An elongated stem 02 connects a curved to a hook head portion 03 with a base portion 04. A stiffening bead 06 extends over the base portion 04 and the stem 02 until shortly before the beginning of the curvature of the head portion 03. In the head portion 03, the bead 06 is omitted in order to maintain a certain deformability of the head portion 03 even in the finished state of the hook hook 01, which makes it possible to align the tips exactly on a common line connecting all the tips when a plurality of the hook hooks 01 are mounted on a common support by deforming the head portions 03.

In den über die Ränder des Stiels 02 und des Kopfabschnitts 03 hinausgreifenden Flügeln des Basisabschnitts 04 sind vier Löcher 07 gebildet, die zur Befestigung des Greiferhakens 01 an einem Träger mit Hilfe von durch die Löcher 07 geführten Schrauben dienen.In the beyond the edges of the stem 02 and the head portion 03 extending wings of the base portion 04 four holes 07 are formed, which serve to fasten the hook hook 01 on a support by means of guided through the holes 07 screws.

Fig. 2 zeigt eine perspektivische Ansicht eines Trägers 08, z. B. einer Greiferspindel 08, die eine Mehrzahl der in Fig. 1A bis 1C dargestellten Greiferhaken 01 trägt. Diese Greiferhaken 01 sind jeweils an einer abgeflachten Längsseite 09 der Greiferspindel 08 aufgelegt, so dass sie alle in der Ebene der Längsseite 09 orientiert sind, und fest verschraubt.Fig. 2 shows a perspective view of a carrier 08, z. B. a gripper spindle 08, which carries a plurality of gripper hooks 01 shown in Fig. 1A to 1C. These gripper hooks 01 are each placed on a flattened longitudinal side 09 of the gripper spindle 08, so that they are all oriented in the plane of the longitudinal side 09, and firmly screwed.

Die Sicke 06 erlaubt es, die Greiferhaken 01 aus einem Blech von geringer Stärke herzustellen, ohne dass dies mit Einbußen an der Formbeständigkeit der Greiferhaken 01 im Betrieb verbunden ist. Dadurch wird nicht nur Material eingespart, sondern die im Vergleich zur herkömmlichen; nicht gesickten Greiferhaken geringe Masse der Greiferhaken 01 gewährleistet ein geringes Trägheitsmoment der Greiferspindel 08 und ermöglicht so einen Betrieb der Greiferspindel 08 bei hohen Geschwindigkeiten. Eine weitere Maßnahme, die das Trägheitsmoment der Greiferspindel 08 reduziert, ist die unmittelbare Befestigung der Greiferhaken 01 an der Greiferspindel 08 mit Hilfe von durch die Löcher 07 geführten Schrauben 11. Herkömmliche Spannbügel oder ähnliche Einspannvorrichtungen, die jeweils den Greiferhaken 01 zwischen sich und dem Körper der Greiferspindel 08 eingeklemmt halten, sind hier nicht vorgesehen, so dass ihr Gewicht und Trägheitsmoment fortfällt.The bead 06 makes it possible to produce the gripper hook 01 from a sheet of low thickness, without this being associated with losses in the dimensional stability of the hook hook 01 during operation. This not only saves material, but the compared to conventional; not gripped hooks low mass of the hook hook 01 ensures a low moment of inertia of the gripper spindle 08 and thus allows operation of the gripper spindle 08 at high speeds. Another measure which reduces the moment of inertia of the gripper spindle 08 is the direct attachment of the gripper hooks 01 to the gripper spindle 08 by means of screws 11 guided through the holes 07. Conventional stirrups or similar gripping devices, each holding the gripper hook 01 between itself and the body hold the gripper spindle 08 clamped, are not provided here, so that their weight and moment of inertia falls away.

Die Greifer 01 können vorzugsweise in einem Zylinder eines Falzapparates angeordnet sein.The grippers 01 can preferably be arranged in a cylinder of a folding apparatus.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Greifer, GreiferhakenGripper, gripper hook
0202
Stielstalk
0303
Kopfabschnittheader
0404
Basisabschnittbase section
Basisabschnittbase section
x -x -
0606
SickeBeading
0707
Löcherholes
0808
Träger, GreiferspindelCarrier, gripper spindle
0909
Längsseitelong side
1010
--
1111
Schraubescrew
BB
Richtungdirection
CC
Richtungdirection

Claims (10)

  1. A gripper (01) of a machine processing flat material, in particular paper, with a base portion (04) for attachment to a carrier (08) of the machine, a stem (02) and a head portion (03), which are formed in one piece from a metal sheet, characterized in that a bead (06) is formed in the metal sheet at least along the stem (02) of the gripper (01).
  2. A gripper (01) according to Claim 1, characterized in that the bead (06) additionally extends over the base portion (04).
  3. A gripper (01) according to Claim 2, characterized in that holes (07) for fastening the gripper (01) to the carrier (08) are formed in the base portion (04) on both sides of the bead (06).
  4. A gripper (01) according to any one of the preceding Claims, characterized in that the bead (06) terminates in front of a curved portion of the head portion (03).
  5. A gripper (01) according to any one of the preceding Claims, characterized in that the thickness of the metal sheet does not amount to more than 1 75 mm.
  6. A gripper (01) according to Claim 5, characterized in that the thickness of the metal sheet preferably amounts to approximately 1.5 mm.
  7. A machine for processing flat material with at least one gripper (01) according to Claim 1, characterized in that a plurality of grippers (01) are arranged on a gripper spindle (08) which forms the carrier (08) of the machine.
  8. A machine according to Claim 7, characterized in that the grippers (01) are bolted directly to the gripper spindle (08).
  9. A machine according to Claim 7 or 8, characterized in that the grippers (01) are fastened to a flattened longitudinal side (09) of the gripper spindle (08).
  10. A folder with at least one gripper (01) according to any one of Claims 7 to 9, characterized in that the grippers (01) are arranged in a cylinder of the folder.
EP03104392A 2003-01-22 2003-11-26 Gripper for a flat material processing machine Expired - Lifetime EP1440927B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10302289 2003-01-22
DE10302289A DE10302289B3 (en) 2003-01-22 2003-01-22 Grip for machine processing flat material has bead formed in sheet at least along grip rod

Publications (2)

Publication Number Publication Date
EP1440927A1 EP1440927A1 (en) 2004-07-28
EP1440927B1 true EP1440927B1 (en) 2006-05-03

Family

ID=32185976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03104392A Expired - Lifetime EP1440927B1 (en) 2003-01-22 2003-11-26 Gripper for a flat material processing machine

Country Status (3)

Country Link
EP (1) EP1440927B1 (en)
AT (1) ATE325070T1 (en)
DE (2) DE10302289B3 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB725703A (en) * 1952-03-29 1955-03-09 Maschf Augsburg Nuernberg Ag Improvements in or relating to a device for removing sheets for inspection from the delivery pile of high-speed printing machines
DE1900057B2 (en) * 1968-01-03 1973-03-01 Adamovske Strojirny, N.P., Adamov (Tschechoslowakei) GRIPPER DEVICE OF A CHAIN BOOM OF A SHEET PRINTING MACHINE
DE3623405A1 (en) * 1986-07-11 1988-02-04 Miller Johannisberg Druckmasch BOW GRIPPER FOR BOW-PROCESSING MACHINES
US5374093A (en) * 1991-12-10 1994-12-20 Am International Inc. Gripper assembly
DE4330610A1 (en) * 1993-09-09 1995-03-16 Roland Man Druckmasch Sheet gripper for a sheet processing machine

Also Published As

Publication number Publication date
EP1440927A1 (en) 2004-07-28
DE50303183D1 (en) 2006-06-08
ATE325070T1 (en) 2006-06-15
DE10302289B3 (en) 2004-05-27

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