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Title:
DOCTOR BLADE POLISHING DEVICE AND METHOD OF POLISHING DOCTOR BLADE
Document Type and Number:
Japanese Patent JP2008221449
Kind Code:
A
Abstract:

To provide a doctor blade polishing device such that the defect of printing and the change of darkness of printing with time are eliminated by eliminating the nonuniformity of polishing by a doctor blade abrasive powder produced by the polishing operation of a doctor blade.

This doctor blade polishing device polishes the doctor blade 100 of a doctor for scraping off an ink excessively supplied onto the surface of the plate cylinder of a photogravure. The doctor blade polishing device comprises: a cylinder grinding wheel 50 similar to the outer shape of a gravure cylinder 30; a polishing part formed on the peripheral surface of the cylinder grinding wheel 50; a rotatingly driving means for rotatingly driving the cylinder grinding wheel; a means for movably supporting the doctor blade and pressing the doctor blade 50 against the polishing part; and a removal means 200 for removing the doctor blade abrasive powder remaining on the polishing part.


Inventors:
KITAGAWA SUISHO
Application Number:
JP2007067688A
Publication Date:
September 25, 2008
Filing Date:
March 16, 2007
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B24B3/60; B24B9/00; B24B53/04; B41F15/44
Domestic Patent References:
JP2004114239A2004-04-15
JPH0691531A1994-04-05
JP2001170864A2001-06-26
JP2006075926A2006-03-23
JPH0197861U1989-06-29
JPS59187452A1984-10-24
JP3007312U1995-02-14
Attorney, Agent or Firm:
Satoshi Kanayama
Keiko Fukamachi
Hideo Ito
Hiromi Fujimasu
Naoki Goto