EP0098514B1 - Farbwerk - Google Patents

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Info

Publication number
EP0098514B1
EP0098514B1 EP83106317A EP83106317A EP0098514B1 EP 0098514 B1 EP0098514 B1 EP 0098514B1 EP 83106317 A EP83106317 A EP 83106317A EP 83106317 A EP83106317 A EP 83106317A EP 0098514 B1 EP0098514 B1 EP 0098514B1
Authority
EP
European Patent Office
Prior art keywords
ink
roller
rollers
belts
printing
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
EP83106317A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0098514A2 (de
EP0098514A3 (en
Inventor
Claus Dieter Barrois
Philipp Andreas Dieterich
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
Priority to AT83106317T priority Critical patent/ATE30401T1/de
Publication of EP0098514A2 publication Critical patent/EP0098514A2/de
Publication of EP0098514A3 publication Critical patent/EP0098514A3/de
Application granted granted Critical
Publication of EP0098514B1 publication Critical patent/EP0098514B1/de
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
    • B41F31/16—Continuous, e.g. endless, band apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/33—Ink transfer employing one or more belts

Definitions

  • the invention relates to a device for transporting a liquid medium, in particular printing ink, on a jacket of a roller according to the preamble of claim 1.
  • DE-B-30 14 144 has disclosed such a device for transporting printing ink on a jacket of an inking roller of a printing press in the longitudinal axis direction thereof.
  • An endless belt is used that runs over several deflection means.
  • the belt has an oleophilic layer on its outer layer.
  • a disadvantage of this device is that additional deflecting rods must be used for the belt, so that undesirable frictional heat is generated which influences the viscosity of the printing ink.
  • additional inking unit rollers must be arranged in order to offset the printing ink in the longitudinal axis direction of the inking unit rollers.
  • the invention has for its object to provide a device with which it is possible to transport a liquid medium on rollers in their longitudinal axis direction without the roller needing to perform a traversing movement.
  • a liquid medium e.g. Printing ink, fountain solution, coating liquid, etc.
  • a roller crosswise that is in the longitudinal direction of the roller, without requiring a traversing movement.
  • the object of the invention can, for. B. can advantageously be used in an inking unit of a rotary printing press in order to significantly reduce the degree of non-uniformity of an ink layer thickness relief over the length of an inking roller without having to use a doctor blade.
  • the device according to the invention also promotes the evaporation of the dampening liquid in the printing ink after printing, so that the ink film returning to the inking unit is largely free of dampening agent. Due to the large number of splitting points, the ink returning to the inking unit is kept supple.
  • Another advantage is the use of the device according to the invention on inking rollers to prevent the known “printing ink splashing”; Because in inking units of offset rotary printing presses with alcohol dampening units, so-called “ink spraying” often occurs when using emulsifying-friendly printing inks, which cannot be dispensed with because of other advantages. Due to the acting centripetal force, small lumps of a printing ink / fountain solution emulsion detach from inking unit rollers and contaminate the paper web and / or printing machine parts. Such “ink spraying” is more common when printing on paper webs whose width is smaller than the maximum processable paper web width, and mainly when so-called “bleed images” are printed, i. H.
  • An inking unit of a rotary printing machine dyes a rubber-coated inking roller 1 in a known manner, this in turn a printing plate 2, z. B. an offset printing plate, which is clamped on a forme cylinder 3.
  • the printing plate 2 transfers ink to a blanket 4 of a blanket cylinder 6.
  • Ink application roller 1, forme cylinder 3 and blanket cylinder 6 preferably have the same diameter and are driven in a known manner at the same peripheral speed.
  • a dampening system 7 the inking roller 1 or the printing plate 2 is moistened.
  • the inking roller 1 receives its printing ink from a preferably ink fountain screwless ink fountain 8.
  • Both an elevator and a film inking unit - as shown in the exemplary embodiment in FIG. 1 - can be used to produce a uniform ink film.
  • the operation of film inking units is general, e.g. B. from DE-PS 901 057, known, so that its detailed description can be omitted here.
  • the printing ink passes from the ink fountain 8 via a speed-controllable duct roller 9, intermediate rollers 11, 12, 13, 14, 16, onto a first transfer roller 18 and a second transfer roller 19. Both transfer rollers 18, 19 are in contact with the ink application roller 1.
  • Ductor roller 9, intermediate rollers 11 to 16 and transfer rollers 18, 19 have a significantly smaller diameter than the inking roller 1, the rollers 11 to 16, 18, 19 having the same peripheral speed as the inking roller 1.
  • Rollers 14, 18, 19 are as oscillating Ink distribution rollers executed.
  • an ink-friendly (oleophilic) hard coat such as. B. ceramic or copper
  • each row 30, 35 of belts 27 consists of a plurality, for. B. 20, side by side - directly on or at a distance from each other - arranged belts 27.
  • the belts 27 are e.g. 40 mm wide. They consist - or at least their outside 36 consists - of an ink-friendly layer 37, e.g. Rubber.
  • One or more driven drive rollers 28 are mounted in the side frames (not shown). They each serve to drive the belts 27 and are operated either via a main drive of the machine or a separate drive, e.g. driven a speed-controlled electric motor.
  • a carrier 29 is arranged between the side frames and screwed to them.
  • a plurality of axes 32 are welded onto the carrier 29 at a distance “b” from one another, one above the other and next to one another.
  • a deflection roller 33 and an ink transfer roller 34 are each rotatably mounted on the axes 32.
  • Each deflection roller 33 is non-positively connected to the drive roller 28 by means of a belt 27.
  • Rotation axes 15 and 17 of the deflection rollers 33 and ink transfer rollers 34 run parallel.
  • the axes of rotation 20, 15, 17 of the driven rollers 28 and deflection rollers 33 or ink transfer rollers 34 are arranged on mutually parallel planes.
  • the vertical planes passing through the rotation axes 15, 17 of deflection rollers 32 or ink transfer rollers 34 each intersect a vertical plane extending along the rotation axis 20 at an angle of 90 °.
  • An ink transfer roller 34 presses on directly adjacent belts 27. As a result, the belts 27 are pressed against the deflection rollers 33 assigned to them.
  • the ink transfer roller 34 is with an oleophilic coat - z. B. made of rubber - and thus transfers ink from a belt 27 to the directly adjacent belt 27th
  • the ink transfer roller 34 can also be arranged below two deflection rollers 33. In this case, two adjacent belts 27 partially wrap around the ink transfer roller 34. This will e.g. from the ink relief compensation roller 23 by means of a first belt 27 printing ink or an ink moisture emulsion to the ink transfer roller 34 and from there to the adjacent belt 27 and from there to the ink relief compensation roller 23 - i.e. offset in its longitudinal axis direction - and so on.
  • endless ink transport belts 38 - also with their own drive - can be provided in the form of a horizontal belt.
  • This ink transport belt 38 rests on a plurality of (vertical) belts 27 arranged next to one another, specifically at points at which the belts 27 wrap around the deflection rollers 33. From these (horizontal) ink transport belts 38, printing ink is then transported from one belt 27 to the next one, etc.
  • Pressure rollers 39 guide the ink transport belt 38. They also press it against the belt 27 at the same time.
  • the pressure rollers 39 are rotatably mounted on axes 32.
  • an ink thickness compensation in the longitudinal axis direction of an ink leading inking roller 23, 24, 26 can be carried out.
  • the ink thickness compensation takes place from places with excess ink to places with lack of printing ink, so that an equally thick ink film forms along the roller length.
  • the belts 27 are pressed by the drive rollers 28 against the ink relief compensation rollers 23, 24, 26. Each of their jackets is in contact with one or more inking rollers.
  • Deflection rollers 33 arranged next to one another can be driven in the same or different sense of rotation, depending on how the belts 27 are placed on the deflection rollers 33. If the directions of rotation of two adjacent deflection rollers 33 are the same, then only one or an odd number of ink transfer rollers 34 - each of which is in contact with the adjacent one - are arranged between two adjacent deflection rollers 33, whereby if only one ink transfer roller 34 is arranged, these with both deflection rollers 33 is in contact via the belt 27. If the directions of rotation of two adjacent deflection rollers 33 are not the same, two or an even number of ink transfer rollers 34 are arranged between two adjacent deflection rollers 33.
  • the entire width of an inking roller 41 is not covered with belts 27, but only a few are arranged, specifically at the locations at which the ink / dampening agent mixture accumulates. It may be the case that two or three belts 27 are provided at each end of the inking roller 41 (see FIG. 4).
  • a slidable and fixable carriage (not shown) is provided on the carrier 29 on which the deflection rollers 33 and the ink transfer rollers 34 are attached.
  • the device according to the invention can advantageously also be used with dampening units 7.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Ink Jet (AREA)
  • Screen Printers (AREA)
EP83106317A 1982-07-07 1983-06-29 Farbwerk Expired EP0098514B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83106317T ATE30401T1 (de) 1982-07-07 1983-06-29 Farbwerk.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823225378 DE3225378A1 (de) 1982-07-07 1982-07-07 Farbwerk
DE3225378 1982-07-07

Publications (3)

Publication Number Publication Date
EP0098514A2 EP0098514A2 (de) 1984-01-18
EP0098514A3 EP0098514A3 (en) 1985-05-15
EP0098514B1 true EP0098514B1 (de) 1987-10-28

Family

ID=6167849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106317A Expired EP0098514B1 (de) 1982-07-07 1983-06-29 Farbwerk

Country Status (5)

Country Link
US (1) US4454813A (enrdf_load_stackoverflow)
EP (1) EP0098514B1 (enrdf_load_stackoverflow)
JP (1) JPS5922757A (enrdf_load_stackoverflow)
AT (1) ATE30401T1 (enrdf_load_stackoverflow)
DE (2) DE3225378A1 (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3127880C2 (de) * 1981-07-15 1983-12-22 Koenig & Bauer AG, 8700 Würzburg Farbwerk
DE3531433A1 (de) * 1985-09-03 1987-03-12 Heidelberger Druckmasch Ag Farbwerk fuer rotationsdruckmaschinen
DE3613877A1 (de) * 1986-04-24 1987-10-29 Roland Man Druckmasch Farbwerk fuer eine rotationsflachdruckmaschine
DD278552A1 (de) * 1988-12-23 1990-05-09 Polygraph Leipzig Farbwerk fuer schnellaufende rotationsdruckmaschinen
DE3927934A1 (de) * 1989-08-24 1991-02-28 Kronseder Maschf Krones Vorrichtung zum bedrucken von etiketten in etikettiermaschinen
JPH0742470B2 (ja) * 1989-11-20 1995-05-10 日本パーカライジング株式会社 亜鉛めっき鋼板用防錆兼用プレス加工油
JPH0742471B2 (ja) * 1990-01-17 1995-05-10 新日本製鐵株式会社 亜鉛メッキ鋼板の防錆兼用プレス加工油
AU632956B2 (en) * 1990-08-31 1993-01-14 Goss Graphic Systems, Inc. Keyless printing system for keyless lithographic printing
WO1999038691A1 (en) * 1998-02-02 1999-08-05 Sequa Corporation Inking system with a belt and differential roller speeds
US6367380B1 (en) * 1998-02-02 2002-04-09 Sequa Can Machinery, Inc. Inking system with a belt and differential roller speeds
DE10202785B4 (de) * 2002-01-25 2011-12-01 Manroland Ag Druckmaschine mit einem Farb- und Feuchtwerk
US20100083856A1 (en) * 2008-10-03 2010-04-08 Goss International Americas, Inc. Belted inker for a printing press
US20230234083A1 (en) * 2022-01-27 2023-07-27 Palo Alto Research Center Incorporated System and method of atomizing reactive two-part fluids

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US549976A (en) * 1895-11-19 Ertson
US139171A (en) * 1873-05-20 Improvement in lithographic presses
US773444A (en) * 1903-06-05 1904-10-25 Ernst Wesser Cylinder printing-machine.
US1840009A (en) * 1929-09-20 1932-01-05 Hoe & Co R Inking mechanism for printing machines
CH270859A (de) * 1940-08-22 1950-09-30 Semperit Ag Farbwerk für Buchdruckmaschinen.
DE901057C (de) * 1950-04-14 1954-01-07 Koenig & Bauer Schnellpressfab Heberloses Farbwerk fuer Rotationsdruckmaschinen
US3366046A (en) * 1966-02-01 1968-01-30 Frank V. Szasz Printing cylinder with ink belts for multicolor single impression printing
CA1019637A (en) * 1972-05-09 1977-10-25 Dahlgren Manufacturing Company Method and apparatus for inking printing plates
NL150375B (nl) * 1972-06-16 1976-08-16 Joh Enschede En Zonen Inktwerk voor het opdrukken van serienummers of letters op waardepapier.
US3888172A (en) * 1973-06-21 1975-06-10 American Bank Note Co Intaglio printing press with web wiping apparatus having supply and take-up reels outside frame
DE3014144C2 (de) * 1980-04-12 1982-01-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Aufbringen einer Flüssigkeit auf den Plattenzylinder einer Rotationsdruckmaschine

Also Published As

Publication number Publication date
DE3374188D1 (en) 1987-12-03
US4454813A (en) 1984-06-19
EP0098514A2 (de) 1984-01-18
JPH0377784B2 (enrdf_load_stackoverflow) 1991-12-11
DE3225378A1 (de) 1984-01-12
EP0098514A3 (en) 1985-05-15
ATE30401T1 (de) 1987-11-15
JPS5922757A (ja) 1984-02-06

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