Process and apparatus for forming packaging bags with a...

Package making – Methods – Forming a cover adjunct or application of a cover adjunct to...

Reexamination Certificate

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C053S133400, C493S213000

Reexamination Certificate

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06983574

ABSTRACT:
A process for manufacturing a film for forming reclosable bags includes moving the film and attaching to the film sequentially and crosswise with reference to the direction of movement of the film, a fastener including a first strip supporting at least one reclosable profile engaged with another reclosable profile that is complementary thereto and that is supported by a second strip or a part of the first strip, which will subsequently be attached to the film. Each strip includes at least one web extending substantially mostly sideways on one side of the profiles. The above arrangements make possible special fasteners that include sliders, gasket membranes, fasteners inverted within the bag, peel-seals and hinged fasteners.

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patent: 6273607 (2001-08-01), Buchman
patent: 6290390 (2001-09-01), Buchman
patent: 6350340 (2002-02-01), Johnson

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