Process for producing a thermal stencil master sheet for stencil

Details Process for producing a thermal stencil master sheet for stencil Process for producing a thermal stencil master sheet for stencil

1988-07-06

1992-11-03

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156238, 15624424, 156289, 264213, B29B 1700, B29C 4702

Patent

active

051605643

ABSTRACT:
A process for producing a thermal stencil master sheet for stencil printing, which sheet, even when a thermoplastic film affording superior perforation properties but having low mechanical strengths is used therefor, can prevent the film from being broken to thereby improve its productivity is provided, which process comprises a step of laminating thermoplastic films onto both the surfaces of a base film, a step of bonding porous substrates onto the thermoplastic films and a step of stripping the thermoplastic films bonded to the porous substrates from the base film.

REFERENCES:
patent: 2000347 (1935-05-01), Murray
patent: 2071035 (1937-02-01), Jenett
patent: 3901702 (1975-08-01), Sankus, Jr. et al.
patent: 4657783 (1987-04-01), Tatt et al.
patent: 4789413 (1988-12-01), Tani et al.
patent: 4798646 (1989-01-01), Sumi
patent: 4837088 (1989-06-01), Freedman

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