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

101458, 101467, B41N 108, B41C 110

Patent

active

049477498

ABSTRACT:
A printing member for a press with dampening is made by forming in a metal body an exposed surface which is cleaned and polished sufficiently to render it oleophilic due to surface tension. Then the surface is heated at selected image points thereon without contacting the surface and without penetrating through the body to create tiny surface fissures or capillaries at the image points which render the surface hydrophilic at the image points.

REFERENCES:
patent: 4082902 (1978-04-01), Suzuki et al.
patent: 4526839 (1985-07-01), Herman et al.
patent: 4718340 (1988-01-01), Love

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