Varying profile cylinder blanket

Details Varying profile cylinder blanket Varying profile cylinder blanket

1997-05-15

2000-08-22

Yan, Ren

Printing

Printing members

Rolling contact

428909, B41F 1310

Patent

active

061054984

ABSTRACT:
A blanket that has a varying profile and a method for its use is disclosed. By varying the profile of the blanket cylinder and/or blanket, either in terms of its material properties or its thickness, the blanket, when placed about a blanket cylinder, corrects for unwanted variation in the velocity profile present in the web. Such velocity profile variations, if not taken into account, may cause wrinkling of a web passing over the blanket cylinder in a printing press and thus cause misregistered images. In a further embodiment, the blanket cylinder may be provided with a varying profile.

REFERENCES:
patent: 3700541 (1972-10-01), Shrimpton et al.
patent: 4042743 (1977-08-01), Larson et al.
patent: 4144813 (1979-03-01), Julian
patent: 4228735 (1980-10-01), Doucet
patent: 4303721 (1981-12-01), Rodriguez
patent: 4756245 (1988-07-01), Roch
patent: 4870731 (1989-10-01), Yano
patent: 4908898 (1990-03-01), Kubo
patent: 5285726 (1994-02-01), Ohta
patent: 5350623 (1994-09-01), Derrick

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