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Patent Searching and Data


Title:
DOCTOR BLADE AND METHOD FOR MANUFACTURING IT
Document Type and Number:
Japanese Patent JP2004034301
Kind Code:
A
Abstract:

To provide a doctor blade with extremely little wear and deterioration and good concordance to a printing cylinder, and a method for manufacturing it.

The doctor blade for scraping and removing an ink by being brought into contact with the printing cylinder, has a highly wear-resistant DLC (diamond-like carbon) film layer on the surface of a blade base material. A cylinder butting face is formed of the DLC film layer and an exposed face of the matrix at the apex part of the butting part. In another way, the highly wear-resistant DLC film layer and a soft DLC film layer with a lower wear resistance than the hard DLC film layer are provided on the surface of an ink scraping side of the blade base material.


Inventors:
SAITO TARO
KAWADA TANOSHI
Application Number:
JP2002190104A
Publication Date:
February 05, 2004
Filing Date:
June 28, 2002
Export Citation:
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Assignee:
NIKKA KK
International Classes:
B41F9/10; (IPC1-7): B41F9/10
Attorney, Agent or Firm:
Yuichi Murakami
Okubo Misao