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EP0943432A1 - Cylindre d'impression avec un noyeau et une chemise glissée là-dessus - Google Patents

Cylindre d'impression avec un noyeau et une chemise glissée là-dessus Download PDF

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Publication number
EP0943432A1
EP0943432A1 EP98103118A EP98103118A EP0943432A1 EP 0943432 A1 EP0943432 A1 EP 0943432A1 EP 98103118 A EP98103118 A EP 98103118A EP 98103118 A EP98103118 A EP 98103118A EP 0943432 A1 EP0943432 A1 EP 0943432A1
Authority
EP
European Patent Office
Prior art keywords
printing cylinder
electrically conductive
core
printing
inner layer
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
EP98103118A
Other languages
German (de)
English (en)
Other versions
EP0943432B1 (fr
Inventor
Jeanette Scherf
Knut Dr. Bauer
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.)
Fgm Fritz Gradert Maschinenbau & Co KG GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE59802053T priority Critical patent/DE59802053D1/de
Priority to EP19980103118 priority patent/EP0943432B1/fr
Publication of EP0943432A1 publication Critical patent/EP0943432A1/fr
Application granted granted Critical
Publication of EP0943432B1 publication Critical patent/EP0943432B1/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
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N6/00—Mounting boards; Sleeves Make-ready devices, e.g. underlays, overlays; Attaching by chemical means, e.g. vulcanising
    • 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
    • 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
    • B41F13/193—Transfer cylinders; Offset cylinders

Definitions

  • the invention relates to a printing cylinder with a printing cylinder core and a pressure cylinder jacket pushed onto it, which in the working position the pressure cylinder core sits frictionally and from a seamless inner layer made of fiber-reinforced plastic and an electrical one attached to it conductive material existing seamless outer layer with defined External shape exists.
  • Such a pressure cylinder is known from DE 27 00 118 C2.
  • the pressure cylinder jacket can be expanded by means of a gas cushion which is attached to the Surface of the pressure cylinder core by supplying compressed gas through a Supply line is established.
  • the impression cylinder jacket has a seamless inner layer from one fiber-reinforced plastic and one of a vulcanized on it electrically conductive rubber or a hardened rubber-like Plastic existing seamless outer layer that defines a has cylindrical outer shape.
  • These known printing cylinders have the Disadvantage that they are electrically up and possibly during the printing process discharge what sparks and fires - in most cases solvent-containing atmospheres in the vicinity of printing presses - as well Contamination caused by dust accumulation.
  • the object of the invention is a pressure cylinder of a known type to improve that none during the printing process train electrical charges.
  • electrically conductive threads are arranged such that at least one Make an electrically conductive connection with the metallic Printing cylinder core and at least in one place with the elastic there is electrically conductive material of the impression cylinder jacket.
  • the invention on the one hand an electrostatic charging of the Pressure cylinder and thus the risk of fire prevented and on the other hand one higher mechanical strength, especially of the pressure cylinder jacket and thus also the printing cylinder as a whole, which increases the Print quality and service life leads.
  • the embodiment of a printing cylinder 1 shown in Fig. 1 exists from a metal cylinder 2 and a Printing cylinder jacket 3.
  • the printing cylinder jacket 3 consists of a fiber-reinforced electrically conductive inner layer 4 and one thereon applied elastic outer layer 3a made of electrically conductive rubber or a rubbery plastic.
  • the elastic layer 3a can in Depending on the printing process also as a base for the application of a Serve printing form.
  • the printing cylinder core 2 can not only cylindrical, but also be conical.
  • a Compressed air connection 5 compressed air in the hollow pressure cylinder core 2 which from in Pressure cylinder core 2 provided compressed air outlets 6, whereby the Pressure cylinder jacket 3 expanded and axially by the resulting air cushion completely pushed into its working position or removed can be.
  • the 2 is an embodiment of one - preferably by individual Glass fibers - fiber-reinforced inner layer 4 shown in a plastic 8.
  • the plastic 8 with the glass fibers are electrically conductive threads embedded, especially metal threads - especially copper - which preferably are intersecting and form a network.
  • the threads 7 of the Braid are at least at some crossing points 9 with each other electrically conductively connected.
  • the braid from the threads 7 can also be used as be designed to be relatively rigid. Through the electrically conductive braid electrostatic charges of the printing cylinder 1 avoided during the printing process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Printing Plates And Materials Therefor (AREA)
EP19980103118 1998-02-23 1998-02-23 Cylindre d'impression avec un noyeau et une chemise glissée là-dessus Expired - Lifetime EP0943432B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE59802053T DE59802053D1 (de) 1998-02-23 1998-02-23 Druckzylinder mit einem Druckzylinderkern und einem auf ihn aufgeschobenen Druckzylindermantel
EP19980103118 EP0943432B1 (fr) 1998-02-23 1998-02-23 Cylindre d'impression avec un noyeau et une chemise glissée là-dessus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980103118 EP0943432B1 (fr) 1998-02-23 1998-02-23 Cylindre d'impression avec un noyeau et une chemise glissée là-dessus

Publications (2)

Publication Number Publication Date
EP0943432A1 true EP0943432A1 (fr) 1999-09-22
EP0943432B1 EP0943432B1 (fr) 2001-11-07

Family

ID=8231468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980103118 Expired - Lifetime EP0943432B1 (fr) 1998-02-23 1998-02-23 Cylindre d'impression avec un noyeau et une chemise glissée là-dessus

Country Status (2)

Country Link
EP (1) EP0943432B1 (fr)
DE (1) DE59802053D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243183C1 (de) * 2002-03-19 2003-08-21 Polywest Kunststofftechnik Hülse für den Flexodruck
US6745692B2 (en) 2002-03-19 2004-06-08 Polywest Kunststofftechnik Saueressig & Partner Gmbh & Co. Kg Sleeve for flexographic printing
EP1346846A3 (fr) * 2002-03-19 2004-09-08 POLYWEST KUNSTSTOFFTECHNIK Saueressig & Partner GmbH & Co. KG Manchon pour l'impression flexographique
WO2013083797A1 (fr) 2011-12-09 2013-06-13 Flint Group Germany Gmbh Manchon renforcé de fibres de verre pour l'industrie typographique

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235772A (en) * 1961-08-08 1966-02-15 Gurin Emanuel Anti-static printer's blanket in combination with grounded metal roller
GB2051681A (en) * 1979-06-25 1981-01-21 Drg Ltd Printing rolls
US4320714A (en) * 1979-06-12 1982-03-23 Fuji Xerox Co., Ltd. Heat fixing device
EP0149036A2 (fr) * 1984-01-17 1985-07-24 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre porte-blanchet pour machine rotative d'impression offset
EP0295319A1 (fr) * 1987-06-19 1988-12-21 Saueressig Gmbh & Co. Cylindre gravé composé d'un noyau et d'une douille amovible
DE4230431A1 (de) * 1992-09-11 1994-03-17 Roland Man Druckmasch Offset-Gummituchhülse
EP0741016A2 (fr) * 1995-05-05 1996-11-06 De Pretto-Escher Wyss s.r.l. Rouleau d'impression
EP0781654A2 (fr) * 1995-12-29 1997-07-02 DeMoore, Howard W. Habillage flexible pour cylindre de transfert, anti-statique, non souillant, pré-étiré, pressé à plat, coupé avec précision et comportant une bande longitudinale
DE19634033C1 (de) * 1996-08-23 1998-03-26 Knut Dr Ing Bauer Druckzylinder mit einem Druckzylinderkern und einem auf ihn aufgeschobenen Druckzylindermantel

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235772A (en) * 1961-08-08 1966-02-15 Gurin Emanuel Anti-static printer's blanket in combination with grounded metal roller
US4320714A (en) * 1979-06-12 1982-03-23 Fuji Xerox Co., Ltd. Heat fixing device
GB2051681A (en) * 1979-06-25 1981-01-21 Drg Ltd Printing rolls
EP0149036A2 (fr) * 1984-01-17 1985-07-24 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Cylindre porte-blanchet pour machine rotative d'impression offset
EP0295319A1 (fr) * 1987-06-19 1988-12-21 Saueressig Gmbh & Co. Cylindre gravé composé d'un noyau et d'une douille amovible
DE4230431A1 (de) * 1992-09-11 1994-03-17 Roland Man Druckmasch Offset-Gummituchhülse
EP0741016A2 (fr) * 1995-05-05 1996-11-06 De Pretto-Escher Wyss s.r.l. Rouleau d'impression
EP0781654A2 (fr) * 1995-12-29 1997-07-02 DeMoore, Howard W. Habillage flexible pour cylindre de transfert, anti-statique, non souillant, pré-étiré, pressé à plat, coupé avec précision et comportant une bande longitudinale
DE19634033C1 (de) * 1996-08-23 1998-03-26 Knut Dr Ing Bauer Druckzylinder mit einem Druckzylinderkern und einem auf ihn aufgeschobenen Druckzylindermantel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243183C1 (de) * 2002-03-19 2003-08-21 Polywest Kunststofftechnik Hülse für den Flexodruck
US6745692B2 (en) 2002-03-19 2004-06-08 Polywest Kunststofftechnik Saueressig & Partner Gmbh & Co. Kg Sleeve for flexographic printing
EP1346846A3 (fr) * 2002-03-19 2004-09-08 POLYWEST KUNSTSTOFFTECHNIK Saueressig & Partner GmbH & Co. KG Manchon pour l'impression flexographique
WO2013083797A1 (fr) 2011-12-09 2013-06-13 Flint Group Germany Gmbh Manchon renforcé de fibres de verre pour l'industrie typographique

Also Published As

Publication number Publication date
DE59802053D1 (de) 2001-12-13
EP0943432B1 (fr) 2001-11-07

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