Pressure sensitive adhesive closure for bags incorporating an ad

Details Pressure sensitive adhesive closure for bags incorporating an ad Pressure sensitive adhesive closure for bags incorporating an ad

1974-02-25

1976-03-09

Price, William

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

Hanging type

150 7, 206260, B65D 3316

Patent

active

039427137

ABSTRACT:
A thermoplastic bag comprising a front wall and a rear wall. The upper edge of said rear wall is turned inwardly and the resultant downwardly facing pouch is sealed along its edges to the upper edges of the rear bag walls. The upper portion of the front bag wall has an adhesive stripe extending across the width thereof. The adhesive stripe is protected from direct contact with the pouch on the opposite wall, until it is desired to close and seal the bag, by means of a strip of release paper covering the adhesive or, alternatively, by folding a portion of the front bag wall back upon itself to cover the adhesive stripe.

REFERENCES:
patent: 2384223 (1945-09-01), Wilbur
patent: 2755576 (1956-07-01), Golden
patent: 3338019 (1967-08-01), Trewella et al.
patent: 3419136 (1968-12-01), Pratt
patent: 3478868 (1969-11-01), Nerenberg et al.
patent: 3510052 (1970-05-01), Ruda
patent: 3595468 (1971-07-01), Repko
patent: 3670947 (1972-06-01), Tangredi et al.

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