Compressible printing blanket and method of making same

Details Compressible printing blanket and method of making same Compressible printing blanket and method of making same

1992-02-14

1994-11-15

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428241, 428250, 428258, 4283066, 4283133, 4283171, 4283179, 428909, B32B 516, B32B 326, B32B 712, B32B 522

Patent

active

053646835

ABSTRACT:
A multi-ply laminated compressible printing blanket for use in offset printing comprising in order, a first compressible fabric ply, a compressible elastomeric layer, at least two additional fabric plys situated above the compressible elastomeric layer, an elastomeric subface and an elastomeric printing face deposited by a solventless process and having a surface profile adapted for reducing dot gain while enhancing the releasability of the printed matter. At least the lowermost fabric ply incorporates a protective coating to prevent wicking of inks, water and/or solvents through the blanket which might otherwise lead to swelling and delamination of the various plys. In addition, both the fabric plys and the compressible layer are at least partially coated with a matrix material having dispersed therein a plurality of closed cells formed, e.g., with the use of blowing agents or by adding thereto a plurality of expanded or expand microspheres.

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