Content activated envelope extraction

Details Content activated envelope extraction Content activated envelope extraction

1977-07-08

1978-11-14

Sipos, John

Package making

Means to open or erect receptacle

Means to open envelope

250223R, B65B 4330

Patent

active

041249682

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.

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patent: 3799337 (1974-03-01), Green
patent: 3979884 (1976-09-01), Russeu
patent: 4016708 (1977-04-01), DeHart
patent: 4016980 (1977-04-01), DeHart et al.

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