Newsprint coupon separator

Details Newsprint coupon separator Newsprint coupon separator

1975-07-18

1978-02-14

Ansher, Harold

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

101426, 156 83, 156155, 427288, 427289, 427308, 427395, 428 43, 428211, B05D 310, B41M 700, B32B 2906

Patent

active

040739821

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 (1061-10-01), Wheeler
patent: 3048100 (1962-08-01), Livingstone
patent: 3085898 (1963-04-01), Vaurio
patent: 3563839 (1971-02-01), Divis
patent: 3669814 (1970-02-01), Faltin

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