EP0453854A2 - Engommage de la forme d'impression d'une machine à imprimer - Google Patents

Engommage de la forme d'impression d'une machine à imprimer Download PDF

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Publication number
EP0453854A2
EP0453854A2 EP91105541A EP91105541A EP0453854A2 EP 0453854 A2 EP0453854 A2 EP 0453854A2 EP 91105541 A EP91105541 A EP 91105541A EP 91105541 A EP91105541 A EP 91105541A EP 0453854 A2 EP0453854 A2 EP 0453854A2
Authority
EP
European Patent Office
Prior art keywords
dampening
roller
printing
gumming
printing form
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
EP91105541A
Other languages
German (de)
English (en)
Other versions
EP0453854B2 (fr
EP0453854B1 (fr
EP0453854A3 (en
Inventor
Anton Rodi
Hermann Beisel
Bernd Müller
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6405219&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0453854(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0453854A2 publication Critical patent/EP0453854A2/fr
Publication of EP0453854A3 publication Critical patent/EP0453854A3/de
Application granted granted Critical
Publication of EP0453854B1 publication Critical patent/EP0453854B1/fr
Publication of EP0453854B2 publication Critical patent/EP0453854B2/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
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/08—Damping; Neutralising or similar differentiation treatments for lithographic printing formes; Gumming or finishing solutions, fountain solutions, correction or deletion fluids, or on-press development
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/02—Cleaning arrangements or devices for forme cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices

Definitions

  • the invention relates to a printing press with an inking and dampening unit, which cooperate with a printing form by means of inking and dampening application rollers, and with a control device for displacing the dampening application roller into a contact or spacing position from the printing form.
  • a printing process is ended (e.g. parking an offset printing machine overnight), it is advisable to protect the printing plate from environmental influences, e.g. Can cause corrosion to protect.
  • a so-called gumming agent is used for this purpose, e.g. Contains gum arabic. The gum is applied by the printer to the printing plate, creating a protective layer that must be removed by the printer when printing is resumed. The previous procedure is time-consuming and - with regard to the removal of the protective layer due to the chemical agents to be used - can possibly only be carried out in conjunction with protective measures.
  • the invention is therefore based on the object of specifying a printing press of the type mentioned at the beginning, in which the gumming of the printing form can be carried out in a rational and harmless manner. Furthermore, it should also be possible to easily remove the rubber coating.
  • This object is achieved in that for applying a rubber coating on the printing forme of the dampening roller is assigned a rubber plunging roller immersed in a tub for rubberizing liquid.
  • the application of the rubber coating is no longer done manually, but is automatically done by means of the Dampening unit, especially the dampening roller, made in the printing press. It is therefore not necessary to remove the printing form to be preserved, in particular the printing plate (aluminum plate), from the offset printing press.
  • the dampening roller supplying a dampening solution to the printing form in "normal operation" (for example in the state of the printing press) therefore performs a double function according to the invention in that it transfers the gumming liquid to the printing form during the gumming process.
  • the rubberizing plunger roller conveys the rubberizing liquid from a tub and transfers a rubber lubricating film to the dampening roller, which in turn carries out the transfer to the printing form.
  • the dampening unit of offset printing presses with a distribution cylinder which is machine-driven and which interacts with the dampening application roller.
  • the dampening roller receives an additional drive torque via the distribution cylinder, so that there is no slip to the printing form.
  • the printing form is preferably the printing plate already mentioned, which is clamped onto a plate cylinder of the offset printing press.
  • the mentioned distribution cylinder is preferably used for the transfer of the rubberizing agent to the dampening roller by forming a link between the rubberizing dipping roller and the dampening roller.
  • a spraying device which supplies the dampening roller and / or the distribution cylinder with gumming liquid. This means that the gumming liquid is sprayed onto the outer surface of the dampening roller and / or the distribution cylinder.
  • the invention further relates to a method for gumming a printing form of a printing press, in particular an offset printing press, which has an inking and a dampening unit has, the supply of the gumming liquid to the printing form via a dampening roller of the dampening unit.
  • this washing process To remove the rubber coating from the printing form, it is possible to carry out a washing process which takes place in the printing press.
  • the dampening roller takes up its contact position with the plate cylinder, so that when the printing plate clamped on the plate cylinder is washed, the washing liquid also reaches the dampening roller, so that any gum residues present there are also removed.
  • this washing process separates the dampening solution delivery device, that is, the washing liquid does not get into the dampening solution reservoir of the printing press.
  • this washing process can also be moved to cleaning a dampening cylinder belonging to the dampening unit in its contact position to the dampening roller, so that both the printing form and the dampening roller and the distribution cylinder are freed from the rubber coating or from gumming residues.
  • Fig. 1 shows a part of the rollers of an offset printing machine in a schematic representation. essential components of the offset printing press, such as the inking unit, the blanket cylinder and the printing cylinder are not shown for the sake of simplicity.
  • 1 shows a dampening unit 1 with a dampening solution delivery device 2, which has a dampening solution trough 4 filled with dampening solution 3.
  • a dampening solution immersion roller 5 provided with a drive dips into the dampening solution 3 with a portion of its outer surface.
  • the dampening unit 1 also has a metering roller 6, which is coupled to the dampening solution immersion roller 5 via a gear mechanism.
  • a dampening roller 7 cooperates with the metering roller 6 and comes into contact with a printing plate 8 in the contact position.
  • the printing form 8 is preferably designed as a printing plate (not shown) clamped on a plate cylinder 9.
  • a driven distribution cylinder 10 is provided which interacts with the dampening roller 7.
  • the dampening solution 3 is transferred from the dampening solution immersion roller 5 as a thin dampening film to the metering roller 6 and arrives from there Via the dampening roller 7 to the printing form 8.
  • the dampening solution is metered, on the one hand, by varying the slip between the metering roller 6 and the dampening roller 7.
  • the distribution cylinder 10 has the task of adding dampening solution particles (in particular water) to the ink on the dampening roller (not shown) ) Incorporate inking unit. This ink comes from the printing form 8 and possibly from an intermediate roller which is in contact with an inking roller and the dampening roller 7. In this respect, the intermediate roller forms a connecting link between the dampening unit 1 and the inking unit (not shown).
  • a gumming device 11 which has a gumming dipping roller 12 which dips into a tub 14 filled with gumming liquid 13.
  • roller arrangement assumes a position in which a rubber coating is applied to the printing form 8.
  • Rubberizing agent 13 conveyed by the driven rubber-dipping roller 12 is transferred to the distribution cylinder 10 and from there to the dampening roller / and then reaches the printing plate.
  • rollers belonging to the dampening unit 1, namely the dampening application roller 7 and the distribution cylinder 10 are used according to the invention for another, further purpose, namely the gumming of the printing form 8. It is therefore possible to apply the rubber coating automatically.
  • the rubber coating forms a protective layer that prevents corrosion etc. of the printing plate.
  • the dampening solution immersion roller 5 and thus also the metering roller 6 are set to a very low speed. Furthermore, to achieve or reinforce the same effect, the speed of the metering roller is set by means of a dampening drive (not shown) in such a way that a there is as little slip as possible between the dampening roller 7 and the metering roller 6.
  • FIG. 2 shows a further exemplary embodiment, which differs from the exemplary embodiment of FIG. 1 in that the gumming device 11 is designed as a spray device 15 which sprays the gumming liquid onto the dampening roller 7. From there, the gumming liquid 13 is then transferred to the printing form 8.
  • the spray device 15 it is also possible for the spray device 15 to assume a position in which its spray jet strikes the distribution cylinder 10, which transfers the gumming liquid to the dampening roller 7.
  • the speed and slip of the metering roller 6 - as mentioned above - are set in a corresponding manner to avoid watering down of the gumming liquid.
  • the distance between the dampening roller 7 and the metering roller 6 is of course also Embodiment of FIG. 2 realizable to achieve the desired effects there.
  • the dampening roller 7 assumes its bearing position on the plate cylinder 9. As a result, the washing liquid also reaches the dampening roller 7 and from there also to the distribution cylinder 10 (if it is present).
  • the separating device brings about a spacing position between the dampening applicator roll 7 and the metering roll 8 and the gumming device 11 is displaced such that the distribution cylinder 10 no longer has any contact with the gumming device. Dip roller 12 has.
  • the teaching according to the invention therefore allows the automatic gumming of the printing form 8 and the cleaning of the printing form 8 and the components of the offset printing machine used for gumming.
  • the teaching according to the invention naturally also covers the case in which the rubber plunging roller 12 does not act on the dampening roller 7 with the interposition of the distribution cylinder 10, but instead assumes a direct contact position with the latter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Forming Counted Batches (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Coating Apparatus (AREA)
EP91105541A 1990-04-27 1991-04-08 Engommage de la forme d'impression d'une machine à imprimer Expired - Lifetime EP0453854B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013464 1990-04-27
DE4013464A DE4013464C2 (de) 1990-04-27 1990-04-27 Gummieren der Druckform einer Druckmaschine

Publications (4)

Publication Number Publication Date
EP0453854A2 true EP0453854A2 (fr) 1991-10-30
EP0453854A3 EP0453854A3 (en) 1993-02-24
EP0453854B1 EP0453854B1 (fr) 1995-07-19
EP0453854B2 EP0453854B2 (fr) 1998-11-04

Family

ID=6405219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105541A Expired - Lifetime EP0453854B2 (fr) 1990-04-27 1991-04-08 Engommage de la forme d'impression d'une machine à imprimer

Country Status (7)

Country Link
US (1) US5170706A (fr)
EP (1) EP0453854B2 (fr)
JP (1) JPH04229261A (fr)
AT (1) ATE125202T1 (fr)
CA (1) CA2039362C (fr)
DE (2) DE4013464C2 (fr)
ES (1) ES2077100T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1044810A1 (fr) * 1999-04-13 2000-10-18 MAN Roland Druckmaschinen AG Machine d'impression comprenant un dispositif d'encrage et de mouillage

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224332A1 (de) * 1992-07-23 1994-01-27 Heidelberger Druckmasch Ag Plattenzylinder für Rotationsdruckmaschinen
DE4312523C2 (de) * 1993-04-16 1996-01-18 Heidelberger Druckmasch Ag Feuchtwerk für Offsetdruckmaschinen
DE4312877A1 (de) * 1993-04-20 1994-10-27 Heidelberger Druckmasch Ag Umschaltbare Lackversorgung an Veredelungseinheiten in Rotationsdruckmaschinen
DE4319258C2 (de) * 1993-06-09 2003-10-09 Heidelberger Druckmasch Ag Reinigungsvorrichtung für Druckmaschinen
DE4322615C2 (de) * 1993-07-07 1997-10-23 Heidelberger Druckmasch Ag Wascheinrichtung für das Farbwerk von Rotationsdruckmaschinen
US5423256A (en) * 1994-02-07 1995-06-13 Villarreal; Jose A. Form roller for printing press
DE19648567A1 (de) * 1996-11-23 1998-05-28 Decoufle Sarl Anordnung zum Zuführen von fließfähiger Druckfarbe zu einem Druckwerk
DE19702364C1 (de) * 1997-01-23 1998-04-23 Windmoeller & Hoelscher Klebstoffauftragsvorrichtung
DE29814763U1 (de) 1998-08-18 1998-11-05 MAN Roland Druckmaschinen AG, 63075 Offenbach Feuchtwerk für eine Druckmaschine
DE20010388U1 (de) * 2000-06-09 2001-10-11 Timatec Maschinen Und Anlagenbau Gmbh, Velden Vorrichtung zum Auftragen von Substanzen auf bahnförmiges Material
DE10209861B4 (de) * 2002-03-06 2012-10-04 manroland sheetfed GmbH Verfahren und Vorrichtung zur Farbzufuhrsteuerung
JP2003320644A (ja) * 2002-04-30 2003-11-11 Miyakoshi Printing Machinery Co Ltd 水着けローラ駆動装置
DE102005006064A1 (de) * 2005-02-10 2006-08-24 Man Roland Druckmaschinen Ag Vorrichtung zum Auftragen eines Fluids auf eine Druckform
US8276512B2 (en) 2006-12-20 2012-10-02 Heidelberger Druckmaschinen Ag Process and apparatus for treating an imaged printing form, re-imageable printing form and machine for processing printing material
JP6114503B2 (ja) * 2012-04-26 2017-04-12 株式会社小森コーポレーション インキ供給方法およびインキ供給装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH110499A (fr) * 1923-07-20 1925-06-16 Linotype Machinery Ltd Dispositif pour gommer les surfaces d'impression dans les presses lithographiques rotatives.
US3264981A (en) * 1964-04-15 1966-08-09 Addressograph Multigraph Tandem printer
US3302296A (en) * 1964-08-14 1967-02-07 Ibm Method and apparatus for drying of moisture-setting inks
US3604349A (en) * 1968-12-24 1971-09-14 Addressograph Multigraph Two-system moisture applicator for a lithographic press
JPS518047B1 (fr) * 1969-09-15 1976-03-13
DE2345183C2 (de) * 1973-09-07 1975-03-20 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Einrichtung zum Lackieren od.dgl. an einer Druckmaschine
JPS5256603A (en) * 1975-10-31 1977-05-10 Sumitomo Chemical Co Liquid of forming protection film for lithographic press plate
DE3146223C2 (de) * 1981-11-21 1985-03-21 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Feucht-Farbwerk für Offsetdruckmaschinen
JPS5964396A (ja) * 1982-10-05 1984-04-12 Fuji Photo Film Co Ltd 平版印刷版用版面保護剤
FR2569611A1 (fr) * 1984-09-05 1986-03-07 Assant Joel Dispositif applicable aux machines d'impression offset notamment pour le mouillage et/ou l'encrage
JPS6266887A (ja) * 1985-09-18 1987-03-26 ブラザー工業株式会社 ミシン
IT1214887B (it) * 1985-12-04 1990-01-18 Ghisalberti Luigi Unita' stampante reversibile per macchine off-set conglobante dispositivi per la bagnatura e verniciatura.
DE3623590A1 (de) * 1986-07-12 1988-02-04 Miller Johannisberg Druckmasch Filmfeuchtwerk fuer offsetdruckmaschinen
DE3832527A1 (de) * 1987-09-29 1989-04-13 Jpe Kk Befeuchtungssystem fuer eine offsetdruckmaschine
US4906296A (en) * 1989-02-01 1990-03-06 Zweig Leon A Catalytic fountain solution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1044810A1 (fr) * 1999-04-13 2000-10-18 MAN Roland Druckmaschinen AG Machine d'impression comprenant un dispositif d'encrage et de mouillage

Also Published As

Publication number Publication date
EP0453854B2 (fr) 1998-11-04
JPH04229261A (ja) 1992-08-18
EP0453854B1 (fr) 1995-07-19
US5170706A (en) 1992-12-15
CA2039362C (fr) 1998-09-29
ES2077100T3 (es) 1995-11-16
EP0453854A3 (en) 1993-02-24
ATE125202T1 (de) 1995-08-15
CA2039362A1 (fr) 1991-10-28
DE4013464C2 (de) 1995-01-05
DE59106002D1 (de) 1995-08-24
DE4013464A1 (de) 1991-10-31

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