EP0417497B1 - Cylindre de transfert dans les presses rotatives - Google Patents

Cylindre de transfert dans les presses rotatives Download PDF

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Publication number
EP0417497B1
EP0417497B1 EP90115642A EP90115642A EP0417497B1 EP 0417497 B1 EP0417497 B1 EP 0417497B1 EP 90115642 A EP90115642 A EP 90115642A EP 90115642 A EP90115642 A EP 90115642A EP 0417497 B1 EP0417497 B1 EP 0417497B1
Authority
EP
European Patent Office
Prior art keywords
drum
transfer drum
sheet
bristles
round brushes
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
EP90115642A
Other languages
German (de)
English (en)
Other versions
EP0417497A2 (fr
EP0417497A3 (en
Inventor
Helmut Emrich
Uwe Sabrowski
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
Priority to AT90115642T priority Critical patent/ATE91967T1/de
Publication of EP0417497A2 publication Critical patent/EP0417497A2/fr
Publication of EP0417497A3 publication Critical patent/EP0417497A3/de
Application granted granted Critical
Publication of EP0417497B1 publication Critical patent/EP0417497B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F22/00—Means preventing smudging of machine parts or printed articles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/251—Smearing

Definitions

  • the invention relates to a sheet guide drum in rotary printing machines according to the preamble of claim 1.
  • a sheet guide drum with the features specified above is known from GB-PS 972 487.
  • the sheets are carried by a number of support rollers arranged on bars, which smear or scratch the printed image if they are not adjusted to non-pressure points by axial displacement.
  • suitable non-printing areas are not always present in the printed image.
  • US Pat. No. 3,054,348 describes a sheet guide drum, the surface of which is formed by a plurality of brush rings which are arranged next to one another and spaced apart on the drum axis and which have the drum diameter.
  • the brush rings are attached to disks that are arranged on the drum shaft.
  • the object of the invention is to provide sheet-bearing brush bodies of a sheet guide drum in rotary printing presses which do not move relative to the freshly printed side of the sheet.
  • the advantage of the invention is that with the easy rotatability of the round brushes, which have a low moment of inertia, no relative movements between the round brushes and the bends can occur.
  • the bristles thus form flexible support points without smearing or scratching of the printed image being possible, even in the case of sheet guide drums designed as chain deflecting drums.
  • the sheet guide drum 1 shown in FIGS. 1 and 2 has just taken over a freshly printed sheet 3 from an upstream printing cylinder 4 by the gripper systems 2 and transports it into the subsequent printing unit or to a sheet delivery station, not shown.
  • the sheet guide drum 1 has two circular sector end disks 5, 6, which are firmly seated on the drum shaft 7.
  • the bristles 12 of the round brushes 11 are preferably made of a color-repellent material, e.g. made of nylon, polyester or the like with a suitable rigidity.
  • the brush body of the round brushes 11 is preferably cylindrical. However, there are also other outer contours of the bristles 12, e.g. a spherical design or possibly also bristles 12 inclined relative to the brush body are conceivable.
  • the bristles 12 can be cleaned very easily, e.g. by dry rubbing or by wet washing using the usual detergents, but only after a long period of use.
  • the rods 10 can also be axially resiliently mounted in a known manner, so that they are easily completely interchangeable, which is not shown in the drawing.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Pinball Game Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Discharge By Other Means (AREA)
  • Tyre Moulding (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Ink Jet (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Rotary Presses (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)

Claims (2)

  1. Cylindre de guidage de feuilles dans des imprimantes rotatives, comportant des barres fixées à la périphérie du cylindre, qui s'étendent parallèlement à l'axe de l'arbre du cylindre,
    caractérisé en ce que, sur les barres (10), sont agencées, de façon rotative et étroitement adjacente l'une par rapport à l'autre, une pluralité de petites brosses rondes (11), sur la largeur du format maximal des feuilles.
  2. Cylindre de guidage de feuilles selon la revendication 1, caractérisé en ce que les poils (12) des brosses rondes rotatives (11) sont constitués d'une matière qui repousse l'encre.
EP90115642A 1989-09-14 1990-08-16 Cylindre de transfert dans les presses rotatives Expired - Lifetime EP0417497B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90115642T ATE91967T1 (de) 1989-09-14 1990-08-16 Bogenfuehrungstrommel in rotationsdruckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3930747 1989-09-14
DE3930747A DE3930747A1 (de) 1989-09-14 1989-09-14 Bogenfuehrungstrommel in rotationsdruckmaschinen

Publications (3)

Publication Number Publication Date
EP0417497A2 EP0417497A2 (fr) 1991-03-20
EP0417497A3 EP0417497A3 (en) 1991-06-05
EP0417497B1 true EP0417497B1 (fr) 1993-07-28

Family

ID=6389443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90115642A Expired - Lifetime EP0417497B1 (fr) 1989-09-14 1990-08-16 Cylindre de transfert dans les presses rotatives

Country Status (7)

Country Link
US (1) US5115740A (fr)
EP (1) EP0417497B1 (fr)
JP (1) JPH03106653A (fr)
AT (1) ATE91967T1 (fr)
BR (1) BR9004573A (fr)
DE (2) DE3930747A1 (fr)
ES (1) ES2044348T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214604A1 (de) * 1992-05-08 1993-11-11 Roland Man Druckmasch Vorrichtung zum Transport von Bogen innerhalb einer Druckmaschine
DE4440325C1 (de) * 1994-11-11 1996-02-01 Roland Man Druckmasch Reinigungseinrichtung für eine Bogenleiteinrichtung einer Rotationsdruckmaschine
DE19516066C2 (de) * 1995-05-04 1999-09-09 Heidelberger Druckmasch Ag Bogenführende Trommel, insbesondere Auslegetrommel, einer Bogenrotationsdruckmaschine
US5818208A (en) * 1996-12-19 1998-10-06 Abb Power T&D Company Inc. Flicker controllers using voltage source converters
US5842412A (en) * 1997-03-07 1998-12-01 Bba Nonwovens Simpsonville, Inc. Anti-marking covering for printing press transfer cylinder
DE19719624C1 (de) * 1997-05-09 1998-06-10 Heidelberger Druckmasch Ag Bogenrotationsdruckmaschine
US6684774B2 (en) 1997-05-09 2004-02-03 Heidelberger Druckmaschinen Ag Sheet-fed rotary printing press
DE19745763A1 (de) * 1997-10-16 1999-04-22 Heidelberger Druckmasch Ag Transporttrommel in Rotationsdruckmaschinen
US6666449B2 (en) 2001-05-15 2003-12-23 Defosse Stephen Francis Star wheel surface enhancement and process of manufacture

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US599044A (en) * 1898-02-15 Ernest pain
US1086120A (en) * 1911-05-22 1914-02-03 American Multigraph Co Feeding-roller.
US3054348A (en) * 1959-08-19 1962-09-18 Edgar C Gutweniger Skeleton roll printing press
CH392564A (de) * 1961-09-26 1965-05-31 Color Metal Ag Umführtrommel für Rotationsdruckmaschinen
US3308522A (en) * 1962-12-14 1967-03-14 Velcro Corp Anti-offset roll
DE1179559B (de) * 1963-06-05 1964-10-15 Roland Offsetmaschf Auslegertrommel
US3334892A (en) * 1965-08-04 1967-08-08 Adamovske Strojirny Np Drum for delivering paper sheets from machines
US3642274A (en) * 1970-08-07 1972-02-15 Francis Walter Herrington Sheet-supporting assembly for an inverter roll
DE2550721C3 (de) * 1975-11-12 1986-07-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Übergabetrommel an einer Druckmaschine
DE3614565A1 (de) * 1986-04-29 1987-11-05 Roland Man Druckmasch Wendetrommel in bogenrotationsdruckmaschinen
US4858910A (en) * 1987-01-22 1989-08-22 M.A.N. Roland Druckmaschinen Conveyor for a sheet-fed rotary press

Also Published As

Publication number Publication date
DE59002089D1 (de) 1993-09-02
BR9004573A (pt) 1991-09-10
EP0417497A2 (fr) 1991-03-20
ATE91967T1 (de) 1993-08-15
ES2044348T3 (es) 1994-01-01
DE3930747A1 (de) 1991-03-28
EP0417497A3 (en) 1991-06-05
DE3930747C2 (fr) 1991-07-11
US5115740A (en) 1992-05-26
JPH03106653A (ja) 1991-05-07

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