EP0251004A2 - Groupe d'encrage court pour l'offset - Google Patents

Groupe d'encrage court pour l'offset Download PDF

Info

Publication number
EP0251004A2
EP0251004A2 EP87108571A EP87108571A EP0251004A2 EP 0251004 A2 EP0251004 A2 EP 0251004A2 EP 87108571 A EP87108571 A EP 87108571A EP 87108571 A EP87108571 A EP 87108571A EP 0251004 A2 EP0251004 A2 EP 0251004A2
Authority
EP
European Patent Office
Prior art keywords
roller
inking unit
fountain roller
inking
ink fountain
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Withdrawn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
EP87108571A
Other languages
German (de)
English (en)
Other versions
EP0251004A3 (fr
Inventor
Heinrich Konrad Grosshauser
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 EP0251004A2 publication Critical patent/EP0251004A2/fr
Publication of EP0251004A3 publication Critical patent/EP0251004A3/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Withdrawn legal-status Critical Current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
    • B41F31/00—Inking arrangements or devices
    • B41F31/007—Removing water from ink trains

Definitions

  • the invention relates to an offset short inking unit according to the preamble of claim 1.
  • DE-PS 31 17 341 shows an offset short inking unit with an anilox roller and a dampening unit.
  • the invention has for its object to provide an offset short inking unit with an anilox roller and a rinse inking unit, in which it is largely avoided that dampening water gets into the printing ink.
  • the wells of a screened roller 2 are filled with printing ink in a known manner by means of a rinsing inking unit 1.
  • a printing plate 6 is inked on a plate cylinder 7 via two inking rollers 3 and 4.
  • Moisturizing liquid reaches the printing plate 6 via a brush dampening unit 8, known per se, or another dampening unit.
  • the printing plate 6 colors a rubber blanket 9 of a rubber blanket cylinder 11.
  • a paper web 13 is printed between a blanket cylinder 12 or a further impression cylinder.
  • dampening liquid gets from the printing plate 6 into the partially emptied main flow anilox roller 2 and in the return transport without any countermeasures into the fresh printing ink into an ink chamber 14 of the rinsing inking unit 1.
  • devices 16, 17 are provided for the dampening water to drop out of the printing ink in the wells of the anilox roller 2 after contact with the last inking roller 4. These devices 16, 17 cooperate with a screened casing surface 15 of the anilox roller 2 together and arranged pülfarbtechnik 1 between the last inking roller 4 and the S. This ensures that only printing ink that is largely free of dampening water returns to the rinsing inking unit 1 in the backflow.
  • the devices 16, 17 for separating fountain solution from the printing ink backflow can, for. B. consist of a rubber roller 18 and a surface-hydrophilic separating roller 19.
  • the rubber roller 18 is in contact with the jacket of the anilox roller 2 and the separating roller 19 is in contact with the jacket of the rubber roller 18 Drive gear of the anilox roller 2 are engaged.
  • the rollers 18 and 19 can also be driven by friction from the anilox roller 2.
  • the diameter of the rubber roller 18 and cutting roller 19 are only a fraction, for. B. 1/10 of the diameter of the anilox roller 2.
  • the rubber roller 18 can also be larger.
  • the diameter of the rubber roller 18 is selected so that neither paint nor water droplets are detached by the centrifugal force at the highest machine speed.
  • the diameter of the separating roller 19 is, however, selected so that at the lowest printing speed a centrifugal force is already achieved which detaches the water droplets and not the printing ink from the outer surface of the separating roller 19. As a result, they are flung off and collected and discharged in a chamber 21 surrounding the rollers 18 and 19.
  • the cutting roller 19 can have a polygonal cross section. The edges of the polygon increase the detachment effect of the water droplets from the lateral surface of the separating roller 19.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP87108571A 1986-07-04 1987-06-13 Groupe d'encrage court pour l'offset Withdrawn EP0251004A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3622550A DE3622550C2 (de) 1986-07-04 1986-07-04 Offset-Kurzfarbwerk
DE3622550 1986-07-04

Publications (2)

Publication Number Publication Date
EP0251004A2 true EP0251004A2 (fr) 1988-01-07
EP0251004A3 EP0251004A3 (fr) 1989-04-19

Family

ID=6304424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108571A Withdrawn EP0251004A3 (fr) 1986-07-04 1987-06-13 Groupe d'encrage court pour l'offset

Country Status (6)

Country Link
US (1) US4790243A (fr)
EP (1) EP0251004A3 (fr)
JP (1) JPS6325040A (fr)
DD (1) DD257799A5 (fr)
DE (1) DE3622550C2 (fr)
SU (1) SU1563585A3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121017A1 (de) * 1991-06-26 1993-01-14 Koenig & Bauer Ag Wascheinrichtung fuer farbwerke bei druckmaschinen
EP0761437A1 (fr) * 1995-08-28 1997-03-12 Kabushiki Kaisha Tokyo Kikai Seisakusho Dispositif d'encrage avec déshydratation
DE19734101A1 (de) * 1997-08-07 1999-02-11 Kba Planeta Ag Druckturm einer Druckmaschine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03183549A (ja) * 1989-12-13 1991-08-09 Umetani Seisakusho:Kk 版胴へのインキ供給装置
JP2954260B2 (ja) * 1990-03-09 1999-09-27 株式会社 東京機械製作所 オフセット印刷機
DE10028476A1 (de) 2000-06-08 2001-12-13 Roland Man Druckmasch Rakelvorrichtung
DE102013215267A1 (de) * 2013-08-02 2015-02-05 Windmöller & Hölscher Kg Dosierwerk
DE102013215265A1 (de) * 2013-08-02 2015-02-05 Windmöller & Hölscher Kg Dosierwerk

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB755417A (en) * 1954-01-05 1956-08-22 Robert Carter Tucker Jr Improved ink conditioning means and method for lithographic printing devices
US2798426A (en) * 1955-07-15 1957-07-09 Addressograph Multigraph Material applicator for rotary printing or duplicating machines
DE1864740U (de) * 1962-11-02 1963-01-03 Koenig & Bauer Schnellpressfab Heberloses farbwerk an druckmaschinen.
DE1611272C2 (de) * 1967-10-24 1975-05-15 Matuschke, Walter, Dr., 6100 Darmstadt Offset-Rotationsdruckmaschine
DE1961614A1 (de) * 1969-12-09 1971-06-16 Koenig & Bauer Schnellpressfab Farbwerk von Offsetdruckmaschinen
FR2397939A1 (fr) * 1977-07-22 1979-02-16 Chambon Machines Dispositif d'encrage pour impression a l'encre grasse
US4407196A (en) * 1980-02-29 1983-10-04 American Newspaper Publishers Association Method of enhancing inking in offset presses
DE3117341C2 (de) * 1981-05-02 1988-07-07 Albert-Frankenthal Ag, 6710 Frankenthal Farbwerk
DE3135711A1 (de) * 1981-07-29 1983-02-10 Windmöller & Hölscher, 4540 Lengerich Spuelfarbwerk fuer eine rotationsdruckmaschine
DE3237868A1 (de) * 1982-10-13 1984-04-19 Koenig & Bauer AG, 8700 Würzburg Druckwerk fuer den zeitungs- und zeitschriftendruck
US4527471A (en) * 1983-05-06 1985-07-09 Dahlgren Harold P Dampening fluid removal device
JPH0612927Y2 (ja) * 1984-04-30 1994-04-06 株式会社東京機械製作所 メッシュロール等の計量ロールの水取り装置
JPS6125139A (ja) * 1984-07-13 1986-02-04 Sekisui Chem Co Ltd 感光性樹脂組成物
JPS6125137A (ja) * 1984-07-13 1986-02-04 Ricoh Co Ltd ジアゾ複写材料
JPS6198537A (ja) * 1984-10-22 1986-05-16 Mitsubishi Heavy Ind Ltd オフセツト輪転機

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121017A1 (de) * 1991-06-26 1993-01-14 Koenig & Bauer Ag Wascheinrichtung fuer farbwerke bei druckmaschinen
US5181470A (en) * 1991-06-26 1993-01-26 Koenig & Bauer Aktiengesellschaft Inking unit washing assembly
EP0761437A1 (fr) * 1995-08-28 1997-03-12 Kabushiki Kaisha Tokyo Kikai Seisakusho Dispositif d'encrage avec déshydratation
DE19734101A1 (de) * 1997-08-07 1999-02-11 Kba Planeta Ag Druckturm einer Druckmaschine

Also Published As

Publication number Publication date
EP0251004A3 (fr) 1989-04-19
DD257799A5 (de) 1988-06-29
US4790243A (en) 1988-12-13
JPS6325040A (ja) 1988-02-02
SU1563585A3 (ru) 1990-05-07
DE3622550C2 (de) 1994-05-05
DE3622550A1 (de) 1988-01-07

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Inventor name: GROSSHAUSER, HEINRICH KONRAD