Method of making a micro-bubble laminate

Details Method of making a micro-bubble laminate Method of making a micro-bubble laminate

1989-08-25

1990-08-21

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156199, 156209, 156292, 156293, 156324, B32B 310

Patent

active

049503545

ABSTRACT:
A micro-bubble laminate is made by drawing a heated thermoplastic film through the perforations of a perforated substrate laminated to the film. The bubbles may then be trapped by laminating an additional thermoplastic layer to the laminate construction. This laminate may be used in producing air cushioning or bubble laminates, and the inventive process avoids the intricate and expensive machinery typically used in the production of air cushioning materials.

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