Snap fastener and a bag for packaging with a snap fastener

Details Snap fastener and a bag for packaging with a snap fastener Snap fastener and a bag for packaging with a snap fastener

1996-09-04

1997-12-23

Garbe, Stephen P.

Flexible bags

With closure

Rib and groove

24587, B65D 3324

Patent

active

057000913

ABSTRACT:
A snap fastener having a male strip member and a female strip member, mutually engaged and respectively having a band-like base portion and a snapping portion having a snapping function, in which the band-like base portion includes a first layer fused onto a bag body; a second layer laminated onto the first layer; and a third layer laminated onto the second layer, and further the first layer is consisted of a resin film fusing the inner-most layer of the bag body, the second layer consists of a biaxially oriented film, the third layer consists of a resin film fusing the snapping portion, and the snapping portion consists of synthetic resin having a melt index (MI) of 1-20 g/10 min. At least one layer of the biaxially oriented nylon film consists 40-85% by weight of nylon 6 (Ny 6) and 15-60% by weight of metaxylylene adipamide (MXD 6), in which both magnifications of the MD direction (the moving direction of the film) and the TD direction (the direction of the width of the film) in extending are more than 2.8 times.

REFERENCES:
patent: 5004356 (1991-04-01), Matsui
patent: 5335997 (1994-08-01), Kanemitsu et al.
patent: 5415904 (1995-05-01), Shigezo et al.
patent: 5462360 (1995-10-01), Tilman et al.
patent: 5603995 (1997-02-01), Takubo et al.
patent: 5622431 (1997-04-01), Simonsen

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