Method of thermoforming a bladder structure

Details Method of thermoforming a bladder structure Method of thermoforming a bladder structure

2005-01-04

2005-01-04

Copenheaver, Blaine (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S196000, C156S308400, C036S029000, C428S069000

Reexamination Certificate

active

06837951

ABSTRACT:
A method for thermoforming a resilient, fluid-filled bladder structure with thermal contact molding is disclosed. The bladder includes two sheets of thermoplastic material that are separated by at least one core formed of two spaced outer layers connected together by a plurality of connecting members. The bladder is formed by bonding the sheets to the core, bonding the sheets to each other around the periphery of the core and forming a sidewall between the sheets in a single mold. A fluid is then inserted into the space bounded by the peripheral bond and the two sheets such that the connecting members are extended.

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