Fastener tape, method of and apparatus for making fastener...

Details Fastener tape, method of and apparatus for making fastener... Fastener tape, method of and apparatus for making fastener...

2006-08-22

2006-08-22

Ahmad, Nasser (Department: 1772)

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

C383S061100, C383S061200, C383S061300, C383S203000, C383S210000, C428S035200, C428S119000

Reexamination Certificate

active

07094455

ABSTRACT:
A fastener tape for use in the manufacture of reclosable plastic bags is provided. The fastener tape comprises an intermediate layer and a reclosable fastener profile thereon. The intermediate layer includes three layers of co-extruded plastic, with not more than 4% EVA as the outer two layers and HDPE as the middle layer. The intermediate layer is folded so as to bring portions of the intermediate layer into an opposing relationship. These opposing portions are then sealed together by a pair of seal bars. By carefully controlling the sealing temperature, a consistent peel seal is created between the opposing portions of the intermediate layer without the need for an adhesive.

REFERENCES:
patent: 6110586 (2000-08-01), Johnson
patent: 6174397 (2001-01-01), Johnson
patent: 6321423 (2001-11-01), Johnson

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