Printing member for a press with dampening

Details Printing member for a press with dampening Printing member for a press with dampening

1989-09-21

1990-08-14

Crowder, Clifford D.

Printing

Planographic

Lithographic printing plates

101467, B41N 108, B41C 110

Patent

active

049477501

ABSTRACT:
A printing member for a press with dampening made by forming on a metal body, e.g. of aluminum, an exposed oxidized surface with a grained surface structure which renders that surface hydrophilic and heating the body surface at selected image points thereon without contacting the surface so that there is a transformation of the surface structure which renders it hydrophobic at the image points.

REFERENCES:
patent: 4063949 (1977-12-01), Uhlig et al.
patent: 4082902 (1978-04-01), Suzuki et al.
patent: 4718340 (1988-01-01), Love, III

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