Envelope opening machine

Details Envelope opening machine Envelope opening machine

1976-04-27

1978-01-17

Camby, John J.

Heating

Heat generator with an associated work support or heat...

Means moving or guiding work relative to heat emitter during...

432 5, 432231, F24J 300

Patent

active

040690113

ABSTRACT:
A machine for opening envelopes by heat process which have been previously treated with chemicals.

REFERENCES:
patent: 720669 (1903-02-01), Chapin
patent: 1677492 (1928-07-01), Ritter
patent: 1834567 (1931-12-01), Winkler et al.
patent: 3816213 (1974-06-01), Whitman

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