Method for producing duplicating stencils

Details Method for producing duplicating stencils Method for producing duplicating stencils

1975-04-18

1979-12-11

Coughenour, Clyde I.

Printing

Stenciling

Stencils

430308, 1011284, 427143, B41N 124, B41C 114

Patent

active

041777280

ABSTRACT:
A duplicating stencil comprising a perforated or porous ink-permeable sheet composed of a synthetic resinous film or a metal sheet or film of aluminum or copper. The perforated or porous ink-permeable sheet is coated with a binding agent coating which coating may contain softeners or fillers. On the binder coating there can be applied a coating of hot-seal adhesive which in turn is overcoated with an infra-red light permeable coating. Alternatively, the hot-seal adhesive coating can be applied to a separate sheet of paper, synthetic resinous film or metallic sheet, over-coated with an infra-red permeable coating and placed together with the sheet coated with the binding agent prior to subjection to infra-red rays.

REFERENCES:
patent: 3283704 (1966-11-01), Dalton
patent: 3527163 (1970-09-01), Bean
patent: 3632376 (1972-01-01), Newman
patent: 3682763 (1972-08-01), Kubo et al.
patent: 3871899 (1975-03-01), Anderson

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