EP0151386B1 - Gegendruckzylinder für eine Bogen-Offsetrotationsdruckmaschine - Google Patents

Gegendruckzylinder für eine Bogen-Offsetrotationsdruckmaschine Download PDF

Info

Publication number
EP0151386B1
EP0151386B1 EP85100086A EP85100086A EP0151386B1 EP 0151386 B1 EP0151386 B1 EP 0151386B1 EP 85100086 A EP85100086 A EP 85100086A EP 85100086 A EP85100086 A EP 85100086A EP 0151386 B1 EP0151386 B1 EP 0151386B1
Authority
EP
European Patent Office
Prior art keywords
impression cylinder
cylinder
sheet
gripper
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
Application number
EP85100086A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0151386A3 (en
EP0151386A2 (de
Inventor
Hermann Fischer
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0151386A2 publication Critical patent/EP0151386A2/de
Publication of EP0151386A3 publication Critical patent/EP0151386A3/de
Application granted granted Critical
Publication of EP0151386B1 publication Critical patent/EP0151386B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/18—Impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers

Definitions

  • the perforation bar 9 is approximately rectangular in cross section, the row of pins 10 being in the form of tips 11 of the perforation bar 9.
  • the arrangement of the perforating bar 9 directly behind the gripper pad 7 ensures that a sheet 8 guided between the grippers 6 and the gripper pad 7 on its front edge is impaled or needled by the prongs or pins 11 of the perforating bar 9, since the Impression cylinder 2 employed blanket cylinder 1 after contacting the pits receives contact with the sheet 8 to be printed.
  • the sheet 8 guided in the grippers 6 is pressed shortly before reaching the pressure line against the tips or pins 11 of the perforating strip 9 through the rubber blanket 4, whereby the tips 11 penetrate into the area of the front edge of the sheet 8, so that the latter is needled.
  • the gripper function in particular the gripper closing function, is significantly improved.
  • the perforating strip 9 should be somewhat recessed in the impression cylinder 2, as can be seen in FIG. 1, so that only the tips 11 protrude beyond its outer surface. Since the tips 11 in front of the print line, i.e. H. in the pressure-free area of the front edge of the sheet 8, penetrate into it, there is no damage to the printed image itself. As is known, this pressure-free strip is usually removed, ie. H. cut off.
  • the device according to the invention has the advantage that the perforating strips 9 can be arranged at any point, regardless of the gripper positions, so that a sufficient and uniform, additional holding force for the sheet transport is ensured. It goes without saying that instead of the perforating strip 9 according to FIGS. 2 and 3, other rows of pins, for example made of individual pins or needles, can also be used using the principle on which the invention is based.
  • FIG. 4 shows a modification of the perforating strip from FIGS. 2 and 3.
  • the tips of the perforating strip 12 are designed as cutting edges in an approximately trapezoidal shape.
  • Fig. 5 shows in comparison with Fig. 1 that the rubber cylinder 1 is rotated relative to the impression cylinder 2 so that the pressure start line is shifted towards the pit 3, whereby an improved closure of the gripper 6 is achieved, under which the perforating bar 9th is arranged so that the rubber blanket 4 presses the gripper 6 and thereby impaling the sheet 8 at the same time.
  • the cylinder 2 can also be designed as a rubber or plate cylinder with grippers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
EP85100086A 1984-02-04 1985-01-04 Gegendruckzylinder für eine Bogen-Offsetrotationsdruckmaschine Expired EP0151386B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3403893 1984-02-04
DE3403893A DE3403893C2 (de) 1984-02-04 1984-02-04 Zylinder für eine Bogen-Offsetrotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP0151386A2 EP0151386A2 (de) 1985-08-14
EP0151386A3 EP0151386A3 (en) 1987-04-29
EP0151386B1 true EP0151386B1 (de) 1989-04-05

Family

ID=6226761

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85100086A Expired EP0151386B1 (de) 1984-02-04 1985-01-04 Gegendruckzylinder für eine Bogen-Offsetrotationsdruckmaschine

Country Status (4)

Country Link
US (1) US4598641A (da)
EP (1) EP0151386B1 (da)
JP (1) JPS60180844A (da)
DE (2) DE3403893C2 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529599A1 (de) * 1985-08-19 1987-02-26 Roland Man Druckmasch Bogengreifereinrichtung fuer bogenrotationsdruckmaschinen
EP0290775A3 (de) * 1987-05-14 1990-02-14 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Vorrichtung zum Fördern von Bogen
DE3739169C1 (de) * 1987-11-19 1989-06-01 Roland Man Druckmasch Greiferspitze fuer eine Bogengreifereinrichtung
DE3823846A1 (de) * 1988-07-14 1990-01-18 Heidelberger Druckmasch Ag Zylinder im druckwerk von bogen-rotationsdruckmaschinen
US5623874A (en) * 1994-04-14 1997-04-29 Ruprecht Handels Ag Counter-pressure means for effectuating perforations and/or punchings at offset sheet printing machines
DE69703783T2 (de) * 1996-10-28 2001-04-19 Hans E. Ruprecht Holding Ag, Krauchthal Vorrichtung an einer Druckmaschine zum Perforieren, Stanzen, Schneiden, Rillen und partiellen Lackieren oder zum Drucken von Umschlägen
US6267053B1 (en) * 1998-11-16 2001-07-31 Environmental Specialties Inc. Perf/score shell for presses
JP4567257B2 (ja) * 2000-11-30 2010-10-20 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 枚葉紙を処理する機械内で枚葉紙を第１の胴から、直接隣接する第２の胴に、枚葉紙を案内しかつ引き渡す保持エレメントによって案内しかつ引き渡すための装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA653558A (en) * 1962-12-04 B. Mitchell Arthur Sheet gripper for printing presses
DE155403C (da) *
DD72268A (da) *
US1303793A (en) * 1919-05-13 henderson and b
FR362794A (fr) * 1906-01-29 1906-07-09 Jules Albert Voirin Perfectionnements aux machines à imprimer
US1208731A (en) * 1916-04-06 1916-12-19 Miehle Printing Press & Mfg Adjustable gripper-pad.
DE611993C (de) * 1930-06-10 1935-04-10 Linotype Machinery Ltd Greiferkissenanordnung fuer Druckzylinder
US1916454A (en) * 1930-09-16 1933-07-04 Wohlrabe Otto Four-cylinder sheet-fed rotary offset press
GB880938A (en) * 1959-04-23 1961-10-25 Miehle Goss Dexter Inc Sheet gripper for printing presses or like machines
DE1236527B (de) * 1964-05-08 1967-03-16 Maschf Augsburg Nuernberg Ag Greifer fuer Druckmaschinen
DE2133693B2 (de) * 1971-07-07 1974-12-19 Miller Printing Machinery Co., Pittsburgh, Pa. (V.St.A.) Vorrichtung zur Steuerung der Greifer einer Bogenübergabe- und Wendetrommel einer Mehrfarben-Bogenrotationsdruckmaschine
DD143150A1 (de) * 1979-05-23 1980-08-06 Helmut Schoene Bogengreifereinrichtung
DD145900A1 (de) * 1979-10-25 1981-01-14 Peter Kahlert Bogengreifereinrichtung

Also Published As

Publication number Publication date
EP0151386A3 (en) 1987-04-29
JPS60180844A (ja) 1985-09-14
DE3569220D1 (en) 1989-05-11
DE3403893C2 (de) 1987-04-30
EP0151386A2 (de) 1985-08-14
DE3403893A1 (de) 1985-08-14
US4598641A (en) 1986-07-08

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