Method of and means for making variable width zipper profile fil

Details Method of and means for making variable width zipper profile fil Method of and means for making variable width zipper profile fil

1977-01-21

1978-07-18

Mehr, Milton S.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624427, 156500, B29C 2700

Patent

active

041013557

ABSTRACT:
One or more prefabricated extruded reclosable plastic profile strips travelling in the same direction and at the same speed as a prefabricated continuously travelling film web are guided into covergence with the web, transversely adjusted as to position on the web while the web and the fastener strips are travelling without interruption, and then the travelling fastener strips are permanently secured to the travelling web. The adjustability feature is especially useful to facilitate making of various sizes of bags from the zipper profile film web.

REFERENCES:
patent: 3627600 (1971-12-01), Reiter
patent: 3853671 (1974-12-01), Ausnit

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