Method of producing a reclosable bag

Details Method of producing a reclosable bag Method of producing a reclosable bag

1977-02-22

1978-11-21

Coan, James F.

B31B 4904, B31B 190

Patent

active

041260856

ABSTRACT:
A flexible closure strip capable of being bent manually and retaining the bent shape is interposed between the front ply and the back ply of a thermoplastic bag. The front and back plies are heat sealed to each other to form a pocket in which the stiffener strip is located and a bag mouth is formed under the heat seal.

REFERENCES:
patent: 3354795 (1967-11-01), Kugler
patent: 3418891 (1968-12-01), Rivman et al.
patent: 3859895 (1975-01-01), White
patent: 3889871 (1975-06-01), White

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