Closure arrangement having improved thermal stability and method

Details Closure arrangement having improved thermal stability and method Closure arrangement having improved thermal stability and method

1998-02-03

2000-06-13

Pascua, Jes F.

Flexible bags

With closure

Rib and groove

24587, B65D 3325

Patent

active

060740965

ABSTRACT:
A closure arrangement is disclosed having a base strip configured to be thermally-fused to a web of a recloseable package. The base strip contains a compartment having low thermal conduction properties. The compartment protects a zipper profile or profiles from thermal deformation during sealing of the closure arrangement to the web. The compartment contains air or other gases in specific implementations. In addition, the invention is directed to a package containing the closure arrangement, and to methods of making the package and methods of making the closure arrangement.

REFERENCES:
patent: 4354101 (1982-10-01), Tilman
patent: 4673383 (1987-06-01), Bentsen
patent: 4807300 (1989-02-01), Ausnit et al.
patent: 4824497 (1989-04-01), Tilman
patent: 5242516 (1993-09-01), Custer et al.
patent: 5293672 (1994-03-01), Tominaga et al.
patent: 5628566 (1997-05-01), Schreiter
patent: 5655273 (1997-08-01), Tomic et al.
patent: 5747126 (1998-05-01), Van Erden et al.

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