Multiple copy thermal record sheet

Details Multiple copy thermal record sheet Multiple copy thermal record sheet

1983-03-30

1985-06-11

Herbert, Thomas J.

Recorders

Record receiver deforming

156234, 346208, 346221, 346226, 427145, 428913, 428914, B41M 518

Patent

active

045232075

ABSTRACT:
A thermal-sensitive record sheet copy system provides multiple copies by applying a coating to one record sheet. The single coating formulation includes ingredients which react to heat to provide a tacky condition having a desirable adhering property and thereby produce images on the two sheets. The coating includes a binder of synthetic polyterpene in the mixture in combination with a thermochromic dye and a phenolic resin.

REFERENCES:
patent: 3539375 (1970-11-01), Baum
patent: 3561991 (1971-02-01), Baum
patent: 3674535 (1972-07-01), Blose et al.
patent: 3859111 (1975-01-01), Takanishi et al.
patent: 3916068 (1975-10-01), Kohmura et al.
patent: 3984605 (1976-10-01), Kohmura et al.
patent: 4123580 (1978-10-01), Franer
patent: 4273602 (1981-06-01), Kosaka et al.
patent: 4401721 (1983-08-01), Hida

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