Closure for post filling application to packaging

Details Closure for post filling application to packaging Closure for post filling application to packaging

1991-08-19

1993-05-18

Garbe, Stephen P.

Flexible bags

Bag having means to facilitate opening it by severing bag...

Combined with, or modified for opening by, a sharp-edged...

24587, 383 61, 383 64, 383 81, 383203, 493213, 493214, B65D 3316

Patent

active

052114821

ABSTRACT:
A zipper closure strip for attachment to the top of a formed, filled and sealed package is provided. The zipper strip has a pair of interlocking profile members that extend from bowed webs which conform generally to the cross section of the top of the filled package. The strip may thus straddle the top of the package, gable fashion, and be bonded to the top of the package by heat seals, adhesive or the like. A slider seats on the profile members for urging them into engagement or forcing them apart. A blade protrudes through the slider from a plunger to enable the film at the top of the package beneath the closure strip to be slit. The zipper may be cuffed to expose the top end of the package to facilitate opening.

REFERENCES:
patent: 2994469 (1961-08-01), Troup et al.
patent: 3122807 (1964-03-01), Ausnit
patent: 3181583 (1965-05-01), Lingenfelter
patent: 4268938 (1981-05-01), Walchli
patent: 4713839 (1987-12-01), Peppiatt
patent: 4807300 (1989-02-01), Ausnit et al.
patent: 4874257 (1989-10-01), Inagaki
patent: 4892512 (1990-01-01), Branson
patent: 5033868 (1991-07-01), Peppiatt
patent: 5047002 (1991-09-01), Zieke et al.

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