Duplicating stencil

Details Duplicating stencil Duplicating stencil

1980-02-11

1982-09-28

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156249, 162133, 10112821, 1011284, 427143, 430 49, 428 43, B32B 3100, D21F 1100, B41L 1106, B05D 506

Patent

active

043516858

ABSTRACT:
A duplicating stencil is produced by placing an electrostatically-produced image on a substrate in contact with an ink-impervious surface layer of a stencil blank, bonding the image to the surface layer by the application of heat and/or pressure and stripping the substrate from the stencil blank to remove the surface layer in the image area. The surface layer may comprise a synthetic resin composition containing a finely dispersed pigment and is attached to the porous base tissue of the stencil blank by an adhesive. Bonding of the image to the surface layer and possibly also fixing of the image to the substrate in the same operation can be effected by means of infra-red heating.

REFERENCES:
patent: 2539755 (1951-01-01), Rogers et al.
patent: 2949848 (1960-08-01), Mott
patent: 2955531 (1960-10-01), Rogdouoff
patent: 3322594 (1971-11-01), Backwell et al.
patent: 3322594 (1967-05-01), Lucas et al.
patent: 3871899 (1975-03-01), Andersen
CA14026m Antiadhesive Paper Coatings, Heukel et al., vol. 72.

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