Ductor blade for an offset rotary printing press

Details Ductor blade for an offset rotary printing press Ductor blade for an offset rotary printing press

1996-05-06

1998-03-17

Burr, Edgar S.

Printing

Inkers

Fountains

101363, B41F 3102

Patent

active

057274681

ABSTRACT:
Doctor blade for an offset rotary printing press having an inking unit with an ink duct wherein the ductor blade is provided for, respectively, scraping ink from an ink duct roller and zonally metering an ink film layer thereon over the width of a web of printing material includes a ceramic coating disposed on an edge portion of the blade at a region thereof at which the ink duct roller is in contact therewith.

REFERENCES:
patent: 3611841 (1971-10-01), Froden et al.
patent: 4007682 (1977-02-01), Gundlach
patent: 4287828 (1981-09-01), Dahlgren
patent: 4407196 (1983-10-01), Matalia et al.
patent: 4566938 (1986-01-01), Jenkins et al.
patent: 4798138 (1989-01-01), Brodie
patent: 4841857 (1989-06-01), Hashimura et al.
patent: 5218905 (1993-06-01), Bolte et al.

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