EP0119538A2 - Racle pour dispositif de nettoyage d'un cylindre - Google Patents

Racle pour dispositif de nettoyage d'un cylindre Download PDF

Info

Publication number
EP0119538A2
EP0119538A2 EP84102353A EP84102353A EP0119538A2 EP 0119538 A2 EP0119538 A2 EP 0119538A2 EP 84102353 A EP84102353 A EP 84102353A EP 84102353 A EP84102353 A EP 84102353A EP 0119538 A2 EP0119538 A2 EP 0119538A2
Authority
EP
European Patent Office
Prior art keywords
roller
profile tube
profile
doctor blade
facing away
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
EP84102353A
Other languages
German (de)
English (en)
Other versions
EP0119538A3 (en
EP0119538B1 (fr
Inventor
Klaus Theilacker
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.)
Manroland AG
Original Assignee
MAN Roland 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=6193740&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0119538(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0119538A2 publication Critical patent/EP0119538A2/fr
Publication of EP0119538A3 publication Critical patent/EP0119538A3/de
Application granted granted Critical
Publication of EP0119538B1 publication Critical patent/EP0119538B1/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
    • B41F35/00—Cleaning arrangements or devices

Definitions

  • the invention relates to a doctor blade for a roller washing device of a printing press.
  • Such a doctor blade is known from US Pat. No. 2,199,469. It consists of a doctor blade which is screwed to a pivotable carrier and can be turned against a roller of the roller block of the printing machine to be washed by pivoting the carrier. With such an arrangement, there is a risk that the doctor blade, due to both tension during screwing and twisting of the knife carrier, cannot be applied to the roller to be doctored over the full width with uniform pressure. On the one hand there is the disadvantage that the roller is not scraped off completely cleanly. On the other hand, however, there is also the risk that the parts of the doctor blade that are set under higher pressure will be partially ground off the roller. In addition, such a doctor device is composed of several parts.
  • the invention has for its object to provide a very simple doctor blade of the type mentioned, which rests over the entire width of the roller to be doctored with a uniform pressure force on this.
  • the doctor blade according to FIG. 1 comprises a profile tube 1 which can be pressurized with compressed air or pressure relieved.
  • the profile tube 1 is provided on the side facing a roller 2 to be scraped off with a doctor web 3 running parallel to the axis of the roller 2.
  • this doctor blade web can be produced in one piece with the profile tube 1.
  • the doctor bar 3 there is also the possibility of producing the doctor bar 3 from a harder material and then firmly connecting it to the profile tube 1, for example by gluing. Two or more doctor bars can also be provided.
  • the side of the profile tube facing away from the roller 2 is provided with a baseboard 4.
  • This skirting board 4 engages to fix the profile tube 1 in an approximately T-shaped guide of a rigid support 5, which is fastened in a manner not shown on the side walls on which the axis of the roller 2 is mounted.
  • the profile hose 1 is designed so that it assumes the position shown in dashed lines in the pressure-relieved position. By applying pressure, the profile tube 1 bulges into the position shown with solid lines, so that the doctor web 3 comes to rest on the roller 2. Since the pressure force with which the squeegee web is pressed against the roller 2 is constant over the entire length of the roller 2, the squeegee web 3 lies evenly on this roller, so that it is doctored off completely uniformly. Since no swiveling movements are necessary to switch the doctor bar on and off, the elimination of swivel bearings results in a very simple, space-saving construction.
  • a profile tube 6 is used, which is inserted into a rigid support 7 U-shaped cross section.
  • the surface 9 of the profile tube facing away from the roller 8 to be scraped off is firmly connected by gluing to the carrier 7.
  • the inside of the profile hose 6 can in turn be pressurized with compressed air or pressure relieved.
  • the surface 10 of the profile tube 6 facing the roller 8 to be scraped off is curved inward, so that in this position there is no contact between the surface 10 and the roller 8.
  • the profile also lies here hose over the entire length of the roller 8 with even pressure.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Cleaning In General (AREA)
  • Treatment Of Fiber Materials (AREA)
EP84102353A 1983-03-17 1984-03-05 Racle pour dispositif de nettoyage d'un cylindre Expired EP0119538B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3309557 1983-03-17
DE19833309557 DE3309557A1 (de) 1983-03-17 1983-03-17 Rakel fuer eine walzenwaschvorrichtung

Publications (3)

Publication Number Publication Date
EP0119538A2 true EP0119538A2 (fr) 1984-09-26
EP0119538A3 EP0119538A3 (en) 1986-05-21
EP0119538B1 EP0119538B1 (fr) 1988-03-23

Family

ID=6193740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102353A Expired EP0119538B1 (fr) 1983-03-17 1984-03-05 Racle pour dispositif de nettoyage d'un cylindre

Country Status (4)

Country Link
US (1) US4537130A (fr)
EP (1) EP0119538B1 (fr)
JP (1) JPS59178253A (fr)
DE (2) DE3309557A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369565A3 (en) * 1988-11-17 1990-10-10 Baldwin Technology Corporation Printing press blanket cleaner
EP0388646A3 (fr) * 1989-03-20 1991-04-10 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de lavage
US5040462A (en) * 1988-11-15 1991-08-20 Baldwin-Gegenheimer Gmbh Apparatus for preventing soiling from printing material
US5265537A (en) * 1988-11-17 1993-11-30 Baldwin Technology Corporation Printing press blanket cleaner
US5322015A (en) * 1988-02-08 1994-06-21 Baldwin Technology Corporation Rotating brush cleaner system
EP0790125A1 (fr) * 1996-02-17 1997-08-20 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer la surface d'un cylindre dans une machine d'impression rotative
US5762000A (en) * 1995-05-03 1998-06-09 Heidelberger Druckmaschinen Ag Device for cleaning cylindrical surfaces in rotary printing presses

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD228215B1 (de) * 1984-11-08 1989-12-06 Polygraph Leipzig Spanneinrichtung an druckmittelbeaufschlagten gegendruckkoerpern, insbesondere in wascheinrichtungen fuer druckmaschinen
US4667597A (en) * 1985-01-22 1987-05-26 Wright Norman D Printing press blanket cleaner
EP0257818B2 (fr) * 1986-08-02 1999-09-29 Dai Nippon Insatsu Kabushiki Kaisha Système de nettoyage pour une presse à imprimer
JP2542204B2 (ja) * 1986-12-23 1996-10-09 東洋ゴム工業株式会社 電子写真複写機のクリ―ニングブレ―ド
US4825249A (en) * 1987-03-14 1989-04-25 Ntn-Rulon Industries Co., Ltd. Cleaning blade for use with photoelectronic copying machine
JPS6416657A (en) * 1987-07-10 1989-01-20 Baldwin Nippon Kk Pressure pad in cylinder cleaner for press
CA1282280C (fr) * 1987-12-07 1991-04-02 Robert Bowden Dispositif de pre-essuyage
US4875412A (en) * 1988-05-20 1989-10-24 Wright Norman D Printing press blanket cleaner
US5271326A (en) * 1990-03-05 1993-12-21 Komori Corporation Cylinder cleaning mechanism for a printing press
DE4008159A1 (de) * 1990-03-15 1991-09-19 Heidelberger Druckmasch Ag Reinigungseinrichtung fuer eine druckmaschine
US5245925A (en) * 1990-04-19 1993-09-21 Ryco Graphic Manufacturing Inc. Dry brush cleaning apparatus and method for cleaning printing press blanket cylinders
GB2262434A (en) * 1991-12-13 1993-06-23 Ishikawajima Harima Heavy Ind A brush assembly suitable for cleaning irregularly shaped surfaces such as hot metal casting rolls
SE9200013L (sv) * 1992-01-02 1993-01-11 Trellex Ab Transportbandskrapanordning samt dithoerande skrapblad.
JP2872559B2 (ja) * 1993-08-04 1999-03-17 ニッカ株式会社 印刷機シリンダ等洗浄用の圧着パッドおよびその製造 方法
US5813330A (en) * 1996-06-10 1998-09-29 Stretch Devices, Inc. Adjustable flexibility squeegee with replaceable contact blade
DE19739283C2 (de) * 1997-09-08 2002-10-24 Roland Man Druckmasch Verfahren zum Erreichen des Fortdruckzustandes in einer Rollenrotationsdruckmaschine
DE19937084A1 (de) * 1999-08-06 2001-02-08 Koenig & Bauer Ag Zylinderwascheinrichtung
DE10252595B3 (de) * 2002-11-12 2004-05-06 Metzeler Automotive Profile Systems Gmbh Dichtung, insbesondere zum Abdichten einer Tür, einer Fensterscheibe oder des Dachs eines Kraftfahrzeugs

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2199469A (en) * 1938-09-29 1940-05-07 Brown & Bigelow Printing press washing device
DE800570C (de) * 1949-08-23 1950-11-16 Ludwig Dipl-Ing Hoffmann Rakel
US3048872A (en) * 1959-04-07 1962-08-14 Chrysler Corp Windshield wiper
DE1109187B (de) * 1959-06-19 1961-06-22 Maschf Augsburg Nuernberg Ag Rakelvorrichtung fuer Tiefdruckrotations-maschinen
US3548441A (en) * 1969-05-22 1970-12-22 Ford Motor Co Window cleaning system
AT317262B (de) * 1969-12-22 1974-08-26 Mitter & Co Vorrichtung zur Auftragung flüssiger oder pastöser Medien auf Warenbahnen od.dgl., insbesondere Rakelvorrichtung für Filmdruckmaschinen
US3871049A (en) * 1970-02-09 1975-03-18 Goodrich Co B F Window wiper assembly
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
DE3022955C2 (de) * 1980-06-19 1982-12-16 Jagenberg-Werke AG, 4000 Düsseldorf Vorrichtung zum Regeln der Auftragsstärke beim Beschichten laufender Materialbahnen
US4458376A (en) * 1982-09-03 1984-07-10 Allied Tube & Conduit Corporation Apparatus for wiping continuously moving strip

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322015A (en) * 1988-02-08 1994-06-21 Baldwin Technology Corporation Rotating brush cleaner system
US5040462A (en) * 1988-11-15 1991-08-20 Baldwin-Gegenheimer Gmbh Apparatus for preventing soiling from printing material
EP0369565A3 (en) * 1988-11-17 1990-10-10 Baldwin Technology Corporation Printing press blanket cleaner
US5265537A (en) * 1988-11-17 1993-11-30 Baldwin Technology Corporation Printing press blanket cleaner
EP0388646A3 (fr) * 1989-03-20 1991-04-10 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de lavage
US5762000A (en) * 1995-05-03 1998-06-09 Heidelberger Druckmaschinen Ag Device for cleaning cylindrical surfaces in rotary printing presses
EP0790125A1 (fr) * 1996-02-17 1997-08-20 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer la surface d'un cylindre dans une machine d'impression rotative

Also Published As

Publication number Publication date
DE3309557A1 (de) 1984-09-27
US4537130A (en) 1985-08-27
JPS59178253A (ja) 1984-10-09
EP0119538A3 (en) 1986-05-21
DE3470014D1 (en) 1988-04-28
EP0119538B1 (fr) 1988-03-23

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