Duplicating stencil

Details Duplicating stencil Duplicating stencil

1983-03-15

1985-08-20

Coughenour, Clyde I.

Printing

Stenciling

Stencils

1011282, 427285, 428192, B41N 124, B41L 1314

Patent

active

045356904

ABSTRACT:
Duplicating stencils of the kind used on typewriters and word-processors are given a much improved working life by providing the stencil sheet with flexible reinforcement at that part of the sheet which first contacts the sheet of paper which receives the duplicated image, and between the upper limit of the area of the sheet which is imaged and the adjacent edge.

REFERENCES:
patent: 1437505 (1922-12-01), Fargo
patent: 1773968 (1930-08-01), Dreyfus
patent: 1904628 (1933-04-01), Pelton
patent: 1954805 (1934-04-01), Drew
patent: 1981152 (1934-11-01), Rooney
Kirk-Othmer's Encyclopedia of Chemical Technology, Interscience Publishers, 2nd Ed., vol. 17, pp. 337-339.
Kirk-Othmer's Encyclopedia of Chemical Technology, Interscience Publishers, vol. 20, 1982, pp. 168-170.

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