Tamper evident envelope

Details Tamper evident envelope Tamper evident envelope

1986-07-01

1987-12-15

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Envelope

Compartment

206602, 383 5, B65D 2708, B65D 2716

Patent

active

047127295

ABSTRACT:
A tamper evident envelope which after closure can be separated into different sections is comprised of front and rear panels joined at their edges except at an opening, a closure flap formed as an extension of the rear panel, a transverse pressure sensitive adhesive closure strip adjacent the opening on the front panel, separators joining the insides of the front and rear panels lengthwise, tear lines along the separators, and adhesive tracks on the flaps and part of the front panel in the regions of the separators which adhere together upon closing the flap.

REFERENCES:
patent: 639649 (1902-02-01), Johnson
patent: 1195773 (1916-08-01), Borro
patent: 2154780 (1939-04-01), Silverberg
patent: 2770412 (1956-11-01), Ribacoff
patent: 3111256 (1963-11-01), Hiersteiner

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