Methods of making reclosable packages for vacuum, pressure and/or liquid containment

A method of manufacturing flexible containers that are hermetically resealable. Each resealable container comprises a receptacle and a pair of plastic zipper strips. The zipper strips are flattened at the ends within the side seal regions and are joined to each other, without substantial deformation...

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Bibliographic Details
Main Authors RUSSELL GLYN, ANZINI DAVID J, MATTHEWS DAVID J, WIHLBORG LARS G, KOENIGKRAMER RUSTY E
Format Patent
LanguageEnglish
Published 05.05.2009
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER
MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
UNPACKING
WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Summary:A method of manufacturing flexible containers that are hermetically resealable. Each resealable container comprises a receptacle and a pair of plastic zipper strips. The zipper strips are flattened at the ends within the side seal regions and are joined to each other, without substantial deformation of the closure profiles, in respective transition areas substantially contiguous with the side seals. These transition areas of zipper strip joinder assist in providing a leakproof transition from the openable section of the zipper to the side seals, where the closure profiles are fused and flattened (i.e., crushed).
Bibliography:Application Number: US20050257682