EP1090756B1 - Chambre à râcles - Google Patents

Chambre à râcles Download PDF

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Publication number
EP1090756B1
EP1090756B1 EP99119671A EP99119671A EP1090756B1 EP 1090756 B1 EP1090756 B1 EP 1090756B1 EP 99119671 A EP99119671 A EP 99119671A EP 99119671 A EP99119671 A EP 99119671A EP 1090756 B1 EP1090756 B1 EP 1090756B1
Authority
EP
European Patent Office
Prior art keywords
ink
doctor blade
chambered
sealing bar
chamber
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 - Lifetime
Application number
EP99119671A
Other languages
German (de)
English (en)
Other versions
EP1090756A1 (fr
Inventor
Dieter Arabin
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.)
Gallus Ferd Rueesch AG
Original Assignee
Gallus Ferd Rueesch 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 Gallus Ferd Rueesch AG filed Critical Gallus Ferd Rueesch AG
Priority to DE59911449T priority Critical patent/DE59911449D1/de
Priority to EP99119671A priority patent/EP1090756B1/fr
Priority to AT99119671T priority patent/ATE286809T1/de
Priority to PCT/CH2000/000544 priority patent/WO2001025014A1/fr
Priority to AU75024/00A priority patent/AU7502400A/en
Publication of EP1090756A1 publication Critical patent/EP1090756A1/fr
Application granted granted Critical
Publication of EP1090756B1 publication Critical patent/EP1090756B1/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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers

Definitions

  • the present invention relates to a paint chamber doctor blade for a Paint roller of a printing press, with a squeegee box with color chamber and two on either side of one over the length of a paint outlet extending doctor blades.
  • a color chamber blade is from EP-359 958 known.
  • the chambered scraper serve for the supply and distribution of the desired Paint on the inking roller, e.g. the anilox roller one Press.
  • the permanently installed Chamber doctor laboriously be dismantled, whatever also with more or less big losses of color (partially expensive products) is connected.
  • Object of the present invention was to attach the Chamber doctor to simplify and design their construction so that lost as little color in a change goes.
  • the chamber squeegee is said to be particularly suitable for machines new color change systems are suitable.
  • sealing strip designed as a sealing strip the squeegee box in the form of an easily and quickly replaceable Form cassette without loss of color and without special Precautions (after loosening the paint supply and discharge connections.
  • the ink feed system can be cleaned by any method and provide for a new color.
  • the press is just a new cartridge (Chambered scraper) use.
  • Figure 1 of the drawing shows a section of a printing press purely schematically, in addition to an inking roller. 1 the ink chamber doctor blade 2 of interest here is illustrated.
  • the doctor box 3 with the ink chamber 4 is on a support 5 mounted, which is adjustable in the arrow direction to to adjust the pressure of the squeegee 2 to the roller 1. this happens via an actuator 6 (e.g., hydraulic or pneumatic cylinders).
  • an actuator 6 e.g., hydraulic or pneumatic cylinders.
  • the pivoting is e.g. via the actuator 6 '.
  • the paint itself is conveyed via delivery and discharge ports, e.g. 8th or 9 (FIG. 2) guided into the ink chamber 4 (not shown) Color vessels).
  • delivery and discharge ports e.g. 8th or 9 (FIG. 2) guided into the ink chamber 4 (not shown) Color vessels).
  • Fig. 1 is the centerpiece of the present invention, namely the sealing strip 10, visible, which via an actuator 11 from a non-operating position to the right in a Position can be moved, in which the sealing strip 10th pressed against the inside of the edges of the doctor blades 12, 13 can be.
  • the paint outlet is through one across the entire width of the squeegee formed extending gap.
  • the doctor box 3 can be designed and mounted as a cassette be, which allows a rapid exchange with color change (after loosening and closing the paint supply and discharge connections).
  • At least the effective surface of the sealing strip 10 is made made of elastomeric material.
  • the cross-section of the bar may e.g. rectangular or circular or a combination.
  • FIG. 2 of the drawing shows another, somewhat more detailed Principle view of the inventive construction. It will for the same parts the same reference numerals as in Fig. 1 used.
  • the chambered doctor blade 2 is on a support 5 and a vertical order the roll axis pivotable plate 7 as interchangeable Cassette mounted and is with predetermined force against the Roller 1 (screen roller) held.
  • About connections 8 and 9 is the doctor chamber 4 color supplied or removed.
  • the chamber 4 has a cross section in the form of a horizontal U, conditioned by a protruding into the chamber 4 carrier 15 for a sealing strip 10, which from the inactive position (left) to the right in the active closing position 10 ' can be moved. In this position, the sealing strip lies 10 'sealing against the inside of the doctor blade 12, 13 at and closes it over the entire width of the squeegee box 3 extending paint outlet 14. With so closed Open 14, the cassette can be removed without the risk of unwanted color leakage.
  • the shape of the cross-section of the chamber 4 in retracted Sealing strip 10 corresponds.
  • the stripper plate is guided on guide rods 16, 17, of one chamber wall to the other displaceable, and brushes it adhering to the longitudinal walls of the chamber from this color to push back into the supply and discharge lines (chamber pre-cleaning), before the cassette is washing in the machine even exposed or replaced. For one Color change, the supply and discharge system is cleaned separately.
  • FIG. 2 In the embodiment of FIG. 2 is the manual pivoting the support plate 7 shown. In the desired Angular position allows the support structure in locks 18 block (in the example shown: Pivoting option up to 90 °).

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Pens And Brushes (AREA)

Claims (8)

  1. Chambre d'encrage à racles (2) pour un rouleau encreur (1) d'une machine à imprimer, comprenant un caisson à racles (3) avec chambre d'encrage (4) et deux lames de racle (12, 13) s'étendant de part et d'autre sur la longueur d'une ouverture de sortie d'encre, caractérisée en ce que la caisson à racles (3) est réalisé en tant que cassette interchangeable, et dans l'espace intérieur de la chambre d'encrage (4) est disposée une barre d'étanchéité (10) pouvant être actionnée par l'extérieur et que l'on peut faire coulisser d'une première position de retrait laissant libre l'ouverture de sortie d'encre, dans une seconde position dans laquelle la barre d'étanchéité (10) s'applique de manière étanche contre les surfaces de bordure intérieures des lames de racle (12, 13) en obturant ainsi l'ouverture de sortie d'encre, de manière à pouvoir remplacer la cassette après fermeture des raccords d'amenée et d'évacuation d'encre.
  2. Chambre d'encrage à racles selon la revendication 1, caractérisée en ce que la barre d'étanchéité présente une section transversale sensiblement rectangulaire.
  3. Chambre d'encrage à racles selon la revendication 1, caractérisée en ce que la barre d'étanchéité est réalisée en tant que cylindre dont le diamètre est supérieur à la largeur d'interstice de l'ouverture de sortie d'encre.
  4. Chambre d'encrage à racles selon l'une des revendications 1 - 3, caractérisée en ce qu'au moins la surface active de la barre d'étanchéité est réalisée en un matériau élastomère.
  5. Chambre d'encrage à racles selon l'une des revendications 1 - 4, caractérisée en ce que la barre d'étanchéité peut être déplacée à l'aide d'un entraínement manuel ou motorisé.
  6. Chambre d'encrage à racles selon l'une des revendications 1 - 5, caractérisée en ce que la chambre d'encrage présente sur toute la longueur une section transversale intérieure identique, et il est prévu une plaque de raclage qui correspond à cette section transversale pour une barre d'étanchéité totalement rétractée, et qui en fonctionnement normal s'appuie sur une paroi frontale de la chambre, et lorsque la barre d'étanchéité est rétractée, peut être déplacée par coulissement manuel ou motorisé sur toute la longueur de la chambre, en vue de retirer par raclage de l'encre qui adhère aux parois longitudinales et à la barre d'étanchéité et la refouler hors de la chambre, et/ou pour assister une opération de lavage à l'intérieur de la chambre.
  7. Chambre d'encrage à racles selon la revendication 6, caractérisée en ce que la plaque de raclage est guidée sur des glissières longitudinales, par exemple des tiges de guidage.
  8. Machine à imprimer comprenant une chambre d'encrage à racles selon l'une des revendications 1 - 7 et un rouleau encreur, avec un système de support pour maintenir la chambre à racles dans une position prédéterminée par rapport au rouleau encreur et l'appliquer contre ce dernier, caractérisée en ce que le système de support présente une structure de support comprenant une plaque de support pouvant pivoter dans un plan vertical autour de l'axe du rouleau encreur, en vue de pouvoir être réglé en commun avec la chambre à racles
EP99119671A 1999-10-05 1999-10-05 Chambre à râcles Expired - Lifetime EP1090756B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE59911449T DE59911449D1 (de) 1999-10-05 1999-10-05 Farbkammerrakel
EP99119671A EP1090756B1 (fr) 1999-10-05 1999-10-05 Chambre à râcles
AT99119671T ATE286809T1 (de) 1999-10-05 1999-10-05 Farbkammerrakel
PCT/CH2000/000544 WO2001025014A1 (fr) 1999-10-05 2000-10-05 Racle a reservoir d'encre
AU75024/00A AU7502400A (en) 1999-10-05 2000-10-05 Ink-reservoir doctor blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99119671A EP1090756B1 (fr) 1999-10-05 1999-10-05 Chambre à râcles

Publications (2)

Publication Number Publication Date
EP1090756A1 EP1090756A1 (fr) 2001-04-11
EP1090756B1 true EP1090756B1 (fr) 2005-01-12

Family

ID=8239119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99119671A Expired - Lifetime EP1090756B1 (fr) 1999-10-05 1999-10-05 Chambre à râcles

Country Status (5)

Country Link
EP (1) EP1090756B1 (fr)
AT (1) ATE286809T1 (fr)
AU (1) AU7502400A (fr)
DE (1) DE59911449D1 (fr)
WO (1) WO2001025014A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7471907B2 (en) 2003-07-29 2008-12-30 Oce Printing Systems Gmbh Device and method for electrophoretic liquid development
EP1649326B1 (fr) 2003-07-29 2011-10-05 OCÉ Printing Systems GmbH Dispositif et procede pour le developpement liquide electrophoretique
JP2005088586A (ja) 2003-09-12 2005-04-07 Metronic Ag インキ壺
DE102004032922A1 (de) * 2004-07-07 2006-02-02 OCé PRINTING SYSTEMS GMBH Vorrichtung und Verfahren zur Entwicklung von zuvor auf einem Potentialbildträger erzeugten die zu druckenden Bilder enthaltenden Potentialbildern bei einer elektrografischen Druck- oder Kopiereinrichtung
DE102007041755B4 (de) * 2007-09-04 2011-02-17 Kba-Metronic Aktiengesellschaft Farbkammer
DE102007041758A1 (de) * 2007-09-04 2009-03-05 Kba-Metronic Ag Farbkammer
JP6736090B2 (ja) * 2017-07-06 2020-08-05 株式会社ミヤコシ 印刷機械のインキ供給装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3832216C1 (fr) * 1988-09-22 1990-05-31 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE3909879C1 (fr) * 1989-03-25 1990-08-09 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4330681A1 (de) * 1993-09-10 1995-03-16 Roland Man Druckmasch Kammerrakel

Also Published As

Publication number Publication date
ATE286809T1 (de) 2005-01-15
EP1090756A1 (fr) 2001-04-11
DE59911449D1 (de) 2005-02-17
AU7502400A (en) 2001-05-10
WO2001025014A1 (fr) 2001-04-12

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