Apparatus and methods for forming, filling and sealing fluid fil

Details Apparatus and methods for forming, filling and sealing fluid fil Apparatus and methods for forming, filling and sealing fluid fil

1993-08-31

1996-03-19

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156145, 156245, 156285, 1563798, 156382, 156500, 156538, 264500, 264512, 264545, 425116, 425504, 53453, 53454, 53559, 53900, B29C 5110, B29C 6514, B32B 3110

Patent

active

055000673

ABSTRACT:
A multi-station apparatus and method of manufacture allows the manufacture of an article having a fluid filled cavity fabricated from simultaneously fed twin thermoplastic webs. A web transport means simultaneously feeds twin thermoplastic webs into an apparatus, where a oven raises the temperature of the material of the webs for thermoforming and molding. The cavity then is partially fusing to provide an injection and outlet port and a fluid is injected into the cavity, which is then sealed to provide a finished article. The fluid can be formed from a super absorbent material as a thick, viscous gel-like colloidal substance.

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