Trident interlocking closure profile configuration

Details Trident interlocking closure profile configuration Trident interlocking closure profile configuration

1987-09-10

1988-10-18

Marcus, Stephen

Flexible bags

With closure

Rib and groove

24339, 24399, 24587, 156 66, B65D 3324

Patent

active

047782820

ABSTRACT:
An interlocking closure fastening device comprising an omega-shaped closure element and a co-acting closure element having a trident profile configuration. The co-acting closure element has a profile portion comprising three generally parallel arm portions. The first arm portion terminates in a hook portion, the second arm portion is a generally straight structure having at least one enlarged portion located anterior to its extremity, and the third arm portion terminates in a funnel portion. The closure device is adapted for use with reclosable plastic freezer storage and cooking bags to provide drip-proof and leak-proof seals.

REFERENCES:
patent: 2791807 (1957-05-01), Morin
patent: 3259951 (1966-07-01), Zimmerman
patent: 3338285 (1967-08-01), Jaster
patent: 3380481 (1968-04-01), Kraus
patent: 4428788 (1984-01-01), Kamp
patent: 4516268 (1985-05-01), Kamp
patent: 4561108 (1985-12-01), Kamp
patent: 4578813 (1986-03-01), Ausnit
patent: 4710968 (1987-12-01), Borcherdt et al.

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