Thermographic stencil sheet and method of making an imaged stenc

Details Thermographic stencil sheet and method of making an imaged stenc Thermographic stencil sheet and method of making an imaged stenc

1974-11-05

1977-12-27

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

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

1011282, 106189, 106191, 250318, 250475, 282 275, 427143, 427146, 428173, 428412, 428913, G03G 5022

Patent

active

040655954

ABSTRACT:
A stencil sheet of the type including an ink-impervious coating of a heat-flowable composition on an ink-pervious base sheet includes two layers of the composition on the base sheet, the first layer having external surfaces made uneven by the unevenness of the underlying base sheet, and the second layer filling the lower areas on one surface of the first layer and providing an even surface on the resulting stencil sheet for intimate contact with an original and attendant advantages.

REFERENCES:
patent: 2769391 (1956-11-01), Roshkind
patent: 3410636 (1968-11-01), Herrick
patent: 3413138 (1968-11-01), Georgalas et al.
patent: 3445261 (1969-05-01), Talvalhat
patent: 3682763 (1972-08-01), Kubo et al.
patent: 3694245 (1972-09-01), Anderson et al.
patent: 3824116 (1974-07-01), Anderson et al.
patent: 3852091 (1974-12-01), Newman
patent: 3871899 (1975-03-01), Andersen
patent: 3950578 (1976-04-01), Laumans

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