EP0140092B1 - Système de retour de l'encre dans une presse à imprimer rotative - Google Patents

Système de retour de l'encre dans une presse à imprimer rotative Download PDF

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Publication number
EP0140092B1
EP0140092B1 EP84110870A EP84110870A EP0140092B1 EP 0140092 B1 EP0140092 B1 EP 0140092B1 EP 84110870 A EP84110870 A EP 84110870A EP 84110870 A EP84110870 A EP 84110870A EP 0140092 B1 EP0140092 B1 EP 0140092B1
Authority
EP
European Patent Office
Prior art keywords
ink
rotary printing
printing machine
ink return
groove
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
EP84110870A
Other languages
German (de)
English (en)
Other versions
EP0140092A1 (fr
Inventor
Georg Schneider
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 EP0140092A1 publication Critical patent/EP0140092A1/fr
Application granted granted Critical
Publication of EP0140092B1 publication Critical patent/EP0140092B1/fr
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
    • B41F31/00—Inking arrangements or devices
    • B41F31/20—Ink-removing or collecting devices

Definitions

  • the invention relates to a device for returning excess printing ink from an ink collecting trough of an inking unit of a rotary printing press according to the preamble of patent claim 1.
  • US-A-3 974 768 shows a color return system in the form of rigid tubes which is used to return color from an inking unit to a reservoir before the inking unit is washed.
  • a device for returning excess printing ink from an ink collecting pan of an inking unit of a rotary printing press to an ink container has become known. Pipes are arranged as a color return between an outlet opening of the ink collecting trough and an ink container.
  • the invention has for its object to provide a tubeless color return system for an inking unit of a rotary printing press.
  • the device has a low installation height, and good accessibility of the inking unit is made possible.
  • the return system is easy to clean and the returning color can be observed well. An exchange of the color return channels necessary for changing the color of the printing ink is possible without tools.
  • a driven anilox roller 3 is mounted in side frames 1, 2 of an inking unit, for example a flushing inking unit, as is known from DE-PS-31 35 711.
  • Ink drip pans 6 are arranged below the anilox roller 3.
  • the ink sumps 6 can be of different lengths, e.g. B. extend over half, a quarter or the entire length of the anilox roller 3.
  • the ink collecting trays 8 are funnel-shaped and have an outlet opening 7 at their lowest point.
  • the ink sumps 6 are placed on supports 8 fixed to the side frame.
  • Color return channels 11 are arranged for returning the printing ink from the ink collecting trough 6 into an ink tank 9.
  • the color return channels 11 are preferably telescopic, so that they can be pulled apart to different extents as required.
  • a color return gutter telescope therefore consists of at least one inner gutter 12 and one outer gutter 13.
  • the inner gutter 12 is inserted into the outer gutter 13.
  • Both channels 12, 13 preferably have a rectangular cross section, that is to say they are designed as rectangular tubes.
  • An end face 14 of the inner groove 12 and an end face 16 of the outer groove 13 are closed. In a bottom of the outer groove 13, at the end with the closed end face 16, a drain opening 17 is provided.
  • An inflow opening 18 is provided in an upper side of the inner channel 12 and at the end with the closed end face 14.
  • the color return channels 11 are fastened on supports 19 fixed to the side frame.
  • screws 21 are fastened to the supports 19, onto the shaft of which brackets 22 which are welded to the inner or outer groove 12, 13 are pressed.
  • the inlet openings 18 of the inner channels 12 are aligned with the outlet openings 7 of the ink collecting troughs 6, the outlet openings 17 of the outer channels 13 with filler necks 23 of the ink tanks 9.
  • the excess printing ink can then be returned in a simple manner in each case from the ink collecting trough 6 to the ink tanks 9.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Coating Apparatus (AREA)

Claims (3)

1. Dispositif pour le retour de l'encre en excès, d'un bac récepteur d'encre (6) d'un dispositif encreur d'une presse à imprimer rotative à un réservoir d'encre (9), un dispositif de retour d'encre rigide (11; 12) étant prévu entre un orifice de décharge (7) du bac récepteur d'encre (6) et le réservoir d'encre (9), caractérisé en ce que le dispositif de retour d'encre est constitué d'une gouttière de retour d'encre (11), que la gouttière de retour d'encre (11) est constituée d'au moins une gouttière intérieure (12) et d'une gouttière extérieure (13), et que la gouttière intérieure (12) peut être emmanchée dans la gouttière extérieure (13) et en être extraite.
2. Dispositif selon la revendication 1, caractérisé en ce qu'il est prévu des brides de fixation (22) tant sur la gouttière intérieure (12) que sur la gouttière extérieure (13).
3. Dispositif selon les revendications 1 et 2, caractérisé en ce que les gouttières (11; 12; 13) sont constituées d'un tube de section rectangulaire.
EP84110870A 1983-09-23 1984-09-12 Système de retour de l'encre dans une presse à imprimer rotative Expired EP0140092B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3334469 1983-09-23
DE3334469A DE3334469C2 (de) 1983-09-23 1983-09-23 Farbrücklaufsystem in einer Rotationsdruckmaschine

Publications (2)

Publication Number Publication Date
EP0140092A1 EP0140092A1 (fr) 1985-05-08
EP0140092B1 true EP0140092B1 (fr) 1987-11-25

Family

ID=6209884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110870A Expired EP0140092B1 (fr) 1983-09-23 1984-09-12 Système de retour de l'encre dans une presse à imprimer rotative

Country Status (4)

Country Link
US (1) US4603632A (fr)
EP (1) EP0140092B1 (fr)
JP (1) JPS6092858A (fr)
DE (1) DE3334469C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3519294A1 (de) * 1985-05-30 1986-12-04 Koenig & Bauer AG, 8700 Würzburg Wasserkasten fuer ein feuchtwerk einer offset-rotationsdruckmaschine
JP2550186Y2 (ja) * 1991-03-28 1997-10-08 ハマダ印刷機械株式会社 オフセット印刷機のインキ供給装置
DE10315444B4 (de) * 2003-04-04 2006-06-01 Koenig & Bauer Ag Farbdosiervorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1407510A (en) * 1920-06-11 1922-02-21 Simon Ltd Henry Apparatus for unloading grain
CH110256A (de) * 1924-08-26 1925-09-16 Birchmeier & Cie Trichter zum Benzineinfüllen in Motorfahrzeuge.
CH300966A (de) * 1951-03-20 1954-08-31 Strachan & Henshaw Ltd Farbwerk für Druckmaschinen.
US2965140A (en) * 1958-06-02 1960-12-20 Automatic Canteen Co Measuring apparatus
FR1531614A (fr) * 1967-05-24 1968-07-05 Holweg Const Mec Procédé d'encrage et encrage pour machines à imprimer en héliogravure et en héliogravure-report
US3926114A (en) * 1967-06-30 1975-12-16 Walter E S Matuschke Rotary lithographic printing press with ink and dampening fluid separator
DE1961439A1 (de) * 1969-11-06 1971-06-16 Medizin Labortechnik Veb K Gasflaschenventil fuer hochgespannte Gase,insbesondere fuer Sauerstoff
US3587463A (en) * 1970-05-18 1971-06-28 Wallace H Granger Simplified circulating inking system for rotary newspaper printing press
US3974768A (en) * 1975-03-31 1976-08-17 Molins Machine Company, Inc. Dual ink circulation and wash-up system for a press
FR2392820A1 (fr) * 1977-06-03 1978-12-29 Martin Sa Perfectionnement au circuit de retour d'encre d'une imprimeuse flexographique
US4121222A (en) * 1977-09-06 1978-10-17 A. B. Dick Company Drop counter ink replenishing system
US4188985A (en) * 1977-11-28 1980-02-19 Osterman Evan J Structure for servicing a plurality of motor vehicles simultaneously
DE3005669A1 (de) * 1980-02-15 1981-10-01 Schüttgutfördertechnik AG, 9009 St. Gallen Vorrichtung zum foerdern von schuettfaehigem gut, insbesondere unter wasser lagerndem sand, kies o.dgl.
DE3135711A1 (de) * 1981-07-29 1983-02-10 Windmöller & Hölscher, 4540 Lengerich Spuelfarbwerk fuer eine rotationsdruckmaschine

Also Published As

Publication number Publication date
DE3334469A1 (de) 1985-04-11
DE3334469C2 (de) 1985-11-21
US4603632A (en) 1986-08-05
JPS6092858A (ja) 1985-05-24
EP0140092A1 (fr) 1985-05-08

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