EP0544126A2 - Machine d'impression - Google Patents

Machine d'impression Download PDF

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Publication number
EP0544126A2
EP0544126A2 EP92118823A EP92118823A EP0544126A2 EP 0544126 A2 EP0544126 A2 EP 0544126A2 EP 92118823 A EP92118823 A EP 92118823A EP 92118823 A EP92118823 A EP 92118823A EP 0544126 A2 EP0544126 A2 EP 0544126A2
Authority
EP
European Patent Office
Prior art keywords
printing machine
impression cylinder
cylinder
printing
back pressure
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.)
Withdrawn
Application number
EP92118823A
Other languages
German (de)
English (en)
Other versions
EP0544126A3 (fr
Inventor
Gerd Dipl.-Ing. Wockenfuss
Herbert Ing. Köhne
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0544126A2 publication Critical patent/EP0544126A2/fr
Publication of EP0544126A3 publication Critical patent/EP0544126A3/fr
Withdrawn legal-status Critical Current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
    • B41F22/00—Means preventing smudging of machine parts or printed articles

Definitions

  • the invention relates to a printing press, preferably a flexographic printing press, with at least one impression cylinder and at least one printing unit with format cylinder and inking unit, the format cylinder of which can be adjusted to the impression cylinder.
  • the object of the invention is to provide a printing machine of the type specified in the introduction, in which drying of penetrated ink on the impression cylinder is excluded.
  • this object is achieved in a printing press of the generic type in that the impression cylinder in the area between the supplied and the removed web to be printed on, in which it is not wrapped by a web, a spray device for spraying on a liquid which prevents sticking of ink Release agent or solvent is assigned to the impression cylinder.
  • a liquid release agent is sprayed continuously or at intervals onto the impression cylinder, which mixes with the ink on the impression cylinder and prevents it from drying, so that the mixture of printing ink and release agent or solvent from the back the web is, as it were, sucked and taken away by a blotter.
  • the spray device provided according to the invention thus ensures that dry ink adhering to the impression cylinder need not be removed by hand or by other complex devices.
  • the spray device expediently consists of a spray tube arranged parallel to a surface line of the impression cylinder at a distance from the latter.
  • the spray tube can be covered by a hood, which essentially prevents areas other than the continuous surface of the impression cylinder from being wetted with the release agent.
  • the printing machine provided with the spraying device can only have one impression cylinder with a plurality of them which can be adjusted Have printing units.
  • Glycerin, polyethylene glycols, silicone oils or high-boiling hydrocarbons can preferably be used as release or solvent.
  • the flexographic printing press shown in the drawing has a customary known construction and has only a single impression cylinder 1, on which a total of 6 printing units with format cylinders and inking units 2 can be set.
  • the structure of the flexographic printing machine is known per se and is therefore not described in more detail here.
  • a trough-shaped hood 4 is also provided which is closed on its front sides and which points with its edges against the impression cylinder 1 and is fastened to the frame 5 of the printing press.
  • a spray tube 6 is arranged in the hood 4, through which a separating agent, for example glycerin or liquid polyethylene glycols, can be sprayed onto the surface of the impression cylinder 1.
  • a separating agent for example glycerin or liquid polyethylene glycols

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Printing Methods (AREA)
EP19920118823 1991-11-21 1992-11-03 Machine d'impression Withdrawn EP0544126A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4138326 1991-11-21
DE4138326 1991-11-21
DE4200767 1992-01-14
DE19924200767 DE4200767A1 (de) 1991-11-21 1992-01-14 Druckmaschine

Publications (2)

Publication Number Publication Date
EP0544126A2 true EP0544126A2 (fr) 1993-06-02
EP0544126A3 EP0544126A3 (fr) 1993-06-09

Family

ID=25909358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920118823 Withdrawn EP0544126A3 (fr) 1991-11-21 1992-11-03 Machine d'impression

Country Status (2)

Country Link
EP (1) EP0544126A3 (fr)
DE (1) DE4200767A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1238803A1 (fr) * 1998-12-31 2002-09-11 Koenig & Bauer Aktiengesellschaft Dispositif et procédé permettant de nettoyer un rouleau
EP1354703A3 (fr) * 2002-04-20 2004-10-27 Koenig & Bauer Aktiengesellschaft Dispositif de guidage de feuilles
EP1834770A3 (fr) * 2006-03-18 2012-03-07 manroland AG Unité d'impression satellite d'une presse rotative à bandes
WO2017207577A1 (fr) * 2016-05-30 2017-12-07 Windmöller & Hölscher Kg Dispositif et procédé pour nettoyer un cylindre de contre-pression central d'une machine d'impression flexographique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI101059B (fi) * 1995-03-24 1998-04-15 Rolltest Oy Menetelmä painokoneen keskisylinterin puhdistamiseksi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE106592C (fr) *
US2267975A (en) * 1939-03-13 1941-12-30 Hugh J Mooney Impression cylinder spray apparatus
FR2587274B3 (fr) * 1985-09-16 1987-10-30 Mareels Gerard Dispositif antimaculant de transport de bande imprimee

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1238803A1 (fr) * 1998-12-31 2002-09-11 Koenig & Bauer Aktiengesellschaft Dispositif et procédé permettant de nettoyer un rouleau
EP1354703A3 (fr) * 2002-04-20 2004-10-27 Koenig & Bauer Aktiengesellschaft Dispositif de guidage de feuilles
EP1834770A3 (fr) * 2006-03-18 2012-03-07 manroland AG Unité d'impression satellite d'une presse rotative à bandes
WO2017207577A1 (fr) * 2016-05-30 2017-12-07 Windmöller & Hölscher Kg Dispositif et procédé pour nettoyer un cylindre de contre-pression central d'une machine d'impression flexographique

Also Published As

Publication number Publication date
DE4200767A1 (de) 1993-05-27
EP0544126A3 (fr) 1993-06-09

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