Complete release blanket

Details Complete release blanket Complete release blanket

1998-05-15

2000-03-28

Hilten, John

Printing

Rolling contact machines

Rotary

101185, 101247, 1013501, 1013504, 1013511, B41F 516

Patent

active

060417064

ABSTRACT:
A printing press includes an interchangeable plate cylinder, in which the plate cylinder may have variable cutoff diameters. The plate cylinder is mounted in the printing press in rolling contact with a fixed diameter blanket cylinder. The ink rollers of the inker mechanism may be positionally adjusted to accommodate a plate cylinder of various diameters. The surface of the printing blanket which is mounted on the blanket cylinder includes a material of low polarity surface energy, such as PTFE. The ink used in the press is selected such that, in combination with the PTFE of the blanket surface, the ink does not remain as a latent image on the blanket cylinder after transfer of the image from the blanket cylinder to a web of material.

REFERENCES:
patent: 4135960 (1979-01-01), Shuppert et al.
patent: 4517221 (1985-05-01), Holl
patent: 4953461 (1990-09-01), Gaffney et al.
patent: 5186103 (1993-02-01), Gelinas et al.
patent: 5323702 (1994-06-01), Vrotacoe et al.
patent: 5351616 (1994-10-01), Gelinas et al.
patent: 5603264 (1997-02-01), DeMoore et al.
patent: 5647279 (1997-07-01), Johner et al.

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