EP1567342B1 - Racle a reservoir d'encre - Google Patents

Racle a reservoir d'encre Download PDF

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Publication number
EP1567342B1
EP1567342B1 EP03775395A EP03775395A EP1567342B1 EP 1567342 B1 EP1567342 B1 EP 1567342B1 EP 03775395 A EP03775395 A EP 03775395A EP 03775395 A EP03775395 A EP 03775395A EP 1567342 B1 EP1567342 B1 EP 1567342B1
Authority
EP
European Patent Office
Prior art keywords
doctor blade
clamping plate
rod
fasteners
roller
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
EP03775395A
Other languages
German (de)
English (en)
Other versions
EP1567342A1 (fr
Inventor
Klaus Gräler
Günter Rogge
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP1567342A1 publication Critical patent/EP1567342A1/fr
Application granted granted Critical
Publication of EP1567342B1 publication Critical patent/EP1567342B1/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 WO 0078548 A1 shows a clamping device for a doctor blade, wherein a clamping rail has been provided with a T-shaped groove, so that this, in operative connection with the spring of the carrier, the doctor blade can clamp.
  • the clamping plates are flexible plates which are held on the doctoring chamber body by screws or similar fixing means, but are not finally fixed. Clamping takes place on the side of the screws facing the roller, in that the fastening means elongated in the axial direction (z) of the roller exert a force on the clamping plate which points away from the doctor chamber body.
  • the clamping plate is held by the screws on the doctoring chamber body so that the clamping plate bends and on the side of the screws facing the roller exerts a force on the doctor blade which is directed onto the doctoring chamber body and fixes the doctor blade to the doctoring chamber body. If the force exerted by the elongated fastener force effect is suppressed, no force is exerted on the doctor blade and possibly the clamping plate.
  • the fastening means which are elongate in the axial direction (z) of the roller are rods with a partially round cross section, which are rotatably mounted in the doctor chamber body.
  • the FIG. 1 shows a paint chamber doctor blade 1 of the prior art.
  • the ink chamber 8 is limited by the inking roller 6 of the doctoring chamber body 5, which of course may also consist of several parts, and the doctor blade 2 is limited.
  • the two doctor blades 2 of the ink chamber doctor blade 1 are each fixed by a clamping plate 3 which presses the doctor blade associated with it against the doctor chamber body 5.
  • the force required for this purpose is the restoring force of the clamping plate, which arises because the clamping plate between the elongated fastening element 4, which is pronounced in the present case as a rod and the head of the screw 7 and the doctor chamber body 5 is bent.
  • FIG. 3 shows a clamping plate, which for use in the in the Figures 1 and 2 illustrated doctoring chamber is suitable.
  • the round holes 10 and the grooves 11 form the apertures 9.
  • the diameter of the holes 10 is matched with the necessary play on the head of the screw 7, while the width of the groove 11 is tuned to the diameter of the screw neck.
  • FIG. 4 and 5 show a chamber doctor blade according to the invention, in which the clamping plates 3 is provided with an attachment piece 13 which comprises a connecting element 14.
  • the connecting element is matched to the recess 15 of the rod 4.
  • the shape of the recess 15 is in FIG. 6 shown again.
  • FIG. 6 shows a plan view of the clamping plate 3, which in the in FIGS. 4 and 5 used chambered doctor blade according to the invention is used.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Coating Apparatus (AREA)
  • Pens And Brushes (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Liquid Crystal Substances (AREA)

Claims (6)

  1. Racle à réservoir d'encre (1)
    - avec deux lames de racle (2) applicables en forme de toit à un rouleau (6),
    - dont les deux lames de racle (2) peuvent être fixées avec une tôle de serrage (3) au corps de réservoir de racle (5)
    - et la tôle de serrage (3) est en liaison active avec des moyens de fixation (4) allongés dans la direction axiale (z) du rouleau (6)
    - qui sont disposés sensiblement parallèlement à la tôle de serrage (3)
    - et par lesquels est produite la force nécessaire pour la fixation d'au moins une lame de racle (2)
    - où la résultante de la force déployée par les moyens de fixation (4) est dirigée vers le corps de réservoir de racle (5),
    - où les moyens de fixation (4) sont formés par au moins une tige (4),
    - par le mouvement relatif de laquelle relativement à la racle à réservoir d'encre (1), la force nécessaire pour la fixation d'au moins une lame de racle (2) peut être mise à disposition,
    - caractérisée en ce que
    - la tige (4) dispose d'une face en section transversale sensiblement ronde,
    - qui présente un évidement (15) qui convient pour le serrage de la tôle de serrage (3).
  2. Racle à réservoir d'encre (1)
    - avec deux lames de racle (2) applicables en forme de toit à un rouleau (6),
    - dont les deux lames de racle (2) peuvent être fixées avec une tôle de serrage (3) au corps de réservoir de racle
    - et la tôle de serrage (3) est en liaison active avec des moyens de fixation (4) allongés dans la direction axiale (z) du rouleau (6)
    - qui sont disposés sensiblement parallèlement à la tôle de serrage (3)
    - et par lesquels est déployée la force nécessaire pour la fixation d'au moins une lame de racle (2),
    - où la résultante de la force déployée par les moyens de fixation (4) est dirigée sur le corps de réservoir de racle (5),
    - où les moyens de fixation (4) sont formés par au moins une tige (4),
    - par le déplacement relatif de laquelle relativement à la racle à réservoir d'encre (1), la force nécessaire pour la fixation d'au moins une lame de racle (2) peut être mise à disposition,
    - caractérisée en ce que
    - la tôle de serrage (3) présente au moins une pièce d'embout (13) spécialement formée qui établit la liaison active avec les moyens de fixation (4) allongés dans la direction axiale (z) du rouleau (6),
    - la tige (4) dispose d'une face en section transversale sensiblement ronde,
    - qui présente un évidement (15) qui convient pour le serrage d'une pièce d'embout (13).
  3. Racle à réservoir d'encre (1) selon l'une des revendications précédentes, caractérisée en ce que le mouvement relatif de la tige (4) réside en une rotation autour de son axe d'inertie principal.
  4. Racle à réservoir d'encre selon l'une des revendications précédentes, caractérisée en ce que la tige (4) est retenue d'une manière tournante dans le corps de réservoir de racle (5).
  5. Racle à réservoir d'encre (1) selon l'une des revendications 2 à 4, caractérisée en ce que la pièce d'embout (13) dispose d'un élément de liaison (14) qui peut être placé dans l'évidement (15) de la face en section transversale de la tige (4).
  6. Racle à réservoir d'encre (1) selon les revendications 2 à 5, caractérisée en ce que la longueur de la pièce d'embout (13), la position de l'élément de liaison (14) à la pièce d'embout (13) et la position de la tige (4) et de l'évidement (15) sont adaptées les unes aux autres de telle sorte
    - que l'élément de liaison (14) de la tôle de serrage (3) se trouvant à l'extérieur du réservoir de racle, au début du processus de fixation de la lame de racle, peut être inséré par concordance des formes dans l'évidement (15) et
    en ce que la rotation de la tige (4) nécessaire pour la fixation de la lame de racle (2) amène l'élément de liaison (14) et la tôle de serrage (3) dans la position (a) qui convient pour la fixation.
EP03775395A 2002-11-28 2003-11-26 Racle a reservoir d'encre Expired - Lifetime EP1567342B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10255411A DE10255411A1 (de) 2002-11-28 2002-11-28 Farbkammerrakel
DE10255411 2002-11-28
PCT/EP2003/013347 WO2004048097A1 (fr) 2002-11-28 2003-11-26 Racle a reservoir d'encre

Publications (2)

Publication Number Publication Date
EP1567342A1 EP1567342A1 (fr) 2005-08-31
EP1567342B1 true EP1567342B1 (fr) 2008-07-09

Family

ID=32335801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03775395A Expired - Lifetime EP1567342B1 (fr) 2002-11-28 2003-11-26 Racle a reservoir d'encre

Country Status (6)

Country Link
US (1) US7287471B2 (fr)
EP (1) EP1567342B1 (fr)
AT (1) ATE400435T1 (fr)
AU (1) AU2003283430A1 (fr)
DE (2) DE10255411A1 (fr)
WO (1) WO2004048097A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007027384A1 (de) 2007-06-11 2009-03-12 Windmöller & Hölscher Kg Farbkammerrakel in einem Farbwerk einer Rotationsdruckmaschine sowie Verfahren zur Herstellung einer Farbkammerrakel
DE102007027383A1 (de) 2007-06-11 2008-12-24 Windmöller & Hölscher Kg Farbkammerrakel in einem Farbwerk einer Rotationsdruckmaschine
FR3080568B1 (fr) * 2018-04-30 2020-04-03 Bobst Lyon Dispositif de fixation d'une racle sur un corps de chambre a racles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138807C1 (en) 1991-11-26 1993-06-03 Cornelis Wapenveld Nl Gorter Colour chamber doctor - is for colour-transfer, screened circular cylindrical body such as screen roller or engraved cylinder
JP2596881Y2 (ja) 1992-06-23 1999-06-21 旭光学工業株式会社 レンズ鏡筒のフレキシブル基板の装着構造
DE4320833C1 (de) 1993-06-23 1994-09-22 Roland Man Druckmasch Verfahren und Vorrichtung zum Austausch eines Rakelblattes einer Kammerrakel für Rotationsdruckmaschinen
US5517918A (en) * 1994-07-29 1996-05-21 Fischer & Krecke Gmbh & Co. Doctor blade clamping assembly for a printing press
DE19516224C2 (de) * 1995-05-03 1997-03-20 Windmoeller & Hoelscher Rakelvorrichtung für ein Spülfarbwerk einer Rotationsdruckmaschine
US6202252B1 (en) * 1999-06-03 2001-03-20 Valmet Ltd. Doctoring apparatus
AU762106B2 (en) * 1999-06-22 2003-06-19 Tresu Production A/S Doctor blade system
EP1293342A1 (fr) * 2001-09-14 2003-03-19 Windmöller & Hölscher KG Joint d'étanchéité pour un encreur à racles d'une machine à imprimer rotative
ITVR20020088A1 (it) * 2002-09-09 2004-03-10 Uteco Holding S P A Macchina flessografica.

Also Published As

Publication number Publication date
ATE400435T1 (de) 2008-07-15
US7287471B2 (en) 2007-10-30
EP1567342A1 (fr) 2005-08-31
US20060027112A1 (en) 2006-02-09
WO2004048097A1 (fr) 2004-06-10
DE10255411A1 (de) 2004-06-24
AU2003283430A1 (en) 2004-06-18
DE50310126D1 (de) 2008-08-21

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