Content activated envelope extraction

Details Content activated envelope extraction Content activated envelope extraction

1980-03-03

1982-10-12

Sipos, John

Package making

Methods

Opening only

53381R, 53391, B65B 4330, B65B 5700

Patent

active

043531970

ABSTRACT:
At the content extraction location radiant energy is transmitted through the spread-open envelope. Change in this transmitted energy due to content extraction is sensed and activates removal of the envelope from the extraction location.

REFERENCES:
patent: 2625309 (1953-01-01), Cox
patent: 3003631 (1961-10-01), Stock
patent: 3283897 (1966-11-01), Harille
patent: 3384252 (1968-05-01), West
patent: 3596434 (1971-08-01), Zelnick
patent: 3614419 (1971-10-01), Daughton
patent: 3748811 (1973-07-01), Cox
patent: 3799337 (1974-03-01), Green
patent: 3979884 (1976-09-01), Russell
patent: 4016980 (1977-04-01), DeHart
patent: 4124968 (1978-11-01), Stevens

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