METHOD OF MAKING A PLASTIC FILM WITH INTEGRATED ZIPPER CLOSURE, AND PLASTIC BAG HAVING AN INTEGRATED ZIPPER CLOSURE

A method of manipulating thermoplastic film to create integrated features and particularly relates to an improved method of manufacturing a packaging bag that is reclosable after initial opening. Multiple sections of thermoplastic film are layered on top of themselves to form a multi-layer portion o...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HUFFER, SCOTT W
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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