Fastener and wrapping bag having the same

Details Fastener and wrapping bag having the same Fastener and wrapping bag having the same

1989-11-28

1991-04-02

Garbe, Stephen P.

Flexible bags

With closure

Rib and groove

24587, B65D 3324

Patent

active

050043560

ABSTRACT:
The present invention relates to a fastener having a pair of elements capable of being engaged to each other and relates to a wrapping bag having the fastener. The fastener is arranged in such a manner that at least its portion to be welded to the bag body is mainly made of ethylene vinyl acetate copolymer resin containing vinyl acetate by 1 to 9% and having melt index of 0.5 to 6.0 g/10 minutes. The wrapping bag having the fastener can be obtained by welding the fastener to a base body, and by sealing the ends of the base film with heat.

REFERENCES:
patent: 3172443 (1965-03-01), Ausnit
patent: 3827472 (1974-08-01), Uramoto
patent: 3980225 (1976-09-01), Kan
patent: 4430070 (1984-02-01), Ausnit
patent: 4601694 (1986-07-01), Ausnit
patent: 4673383 (1987-06-01), Bentsen
patent: 4709533 (1987-12-01), Ausnit
patent: 4756629 (1988-07-01), Tilman et al.
patent: 4767220 (1988-08-01), Kamp

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