Doctor blade system

Details Doctor blade system Doctor blade system

2011-04-12

2011-04-12

Yan, Ren (Department: 2854)

Printing

Inkers

Roller

C101S366000, C101S169000, C101S157000, C118S413000

Reexamination Certificate

active

07921773

ABSTRACT:
A doctor blade system utilizes a lightweight doctor blade chamber to apply ink to an inking roller. The doctor blade chamber is removably positioned on a support plate which is, in turn, carried by linear guides on pivotable end plates. A rigid box beam is also attached to the end plates and is spaced from the support plate. A plurality of membrane cylinders are mounted on the rigid box beam and engage a surface of the support plate opposite to the surface that supports the doctor blade chamber. Through the application of suitable force, the support plate and its supported doctor blade chamber can be moved, by sliding motion on the linear slides, into uniform engagement with the surface of the ink roller. The system uses pivotable end plates which are supported by exterior plates that are, in turn, pivotably supported by press side frames. The chamber doctor blade and its support plate and box beam can be moved into several different positions, with respect to the cooperating ink roller, to facilitate doctor blade chamber cleaning or replacement or ink roller replacement.

REFERENCES:
patent: 2284222 (1942-05-01), Miller
patent: 5103732 (1992-04-01), Wells et al.
patent: 5406887 (1995-04-01), Hertel et al.
patent: 5560264 (1996-10-01), Xolin et al.
patent: 6792855 (2004-09-01), Pertile
patent: 1 398 152 (2004-03-01), None

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