Method and apparatus for guiding and sealing split-flange...

Details Method and apparatus for guiding and sealing split-flange... Method and apparatus for guiding and sealing split-flange...

2006-07-25

2006-07-25

Sells, James (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S217000, C156S227000, C156S228000, C156S269000, C493S213000

Reexamination Certificate

active

07081176

ABSTRACT:
A method and an apparatus for sealing a split-flange zipper tape in a center fold of a web of bag making film without sealing or tacking the two sides of the split zipper web together.

REFERENCES:
patent: 3853671 (1974-12-01), Ausnit
patent: 5096516 (1992-03-01), McDonald et al.
patent: 5334127 (1994-08-01), Bruno et al.
patent: 6732898 (2004-05-01), Cortigiano, Sr.
patent: 6733622 (2004-05-01), McMahon et al.
patent: 6743330 (2004-06-01), Crevier
patent: 6780263 (2004-08-01), Delisle
patent: 6810641 (2004-11-01), Ausnit

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