Newsprint coupon separator

Details Newsprint coupon separator Newsprint coupon separator

1978-02-07

1979-07-24

Ansher, Harold

Stock material or miscellaneous articles

Sheet, web, or layer weakened to permit separation through...

156 83, 156155, 427270, 427288, 427289, 427308, 427395, 428165, 428207, 428211, 428248, 428274, 428537, B41M 700, B32B 2906

Patent

active

041623398

ABSTRACT:
A weakening composition printed onto newsprint in a predetermined pattern causes the newsprint to weaken within a short period of time along the lines of the pattern so that the newsprint tears preferentially along the outline of the pattern.

REFERENCES:
patent: 1780793 (1930-11-01), McLaurin
patent: 1905061 (1933-04-01), Sax
patent: 2387914 (1945-10-01), Kienninger
patent: 2518607 (1950-08-01), Erickson
patent: 3006793 (1961-10-01), Wheeler
patent: 3085898 (1963-04-01), Vaurio
patent: 3563839 (1971-02-01), Divis
patent: 3669814 (1972-06-01), Faltin
patent: 3716132 (1973-02-01), Lewyckyj
patent: 3818533 (1974-06-01), Scheuer
patent: 4075372 (1978-02-01), Wilkinson

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