Method of making a three-dimensional laminate

Details Method of making a three-dimensional laminate Method of making a three-dimensional laminate

1979-08-16

1982-05-11

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624411, 15624423, 15624424, 15624427, 156322, B29D 900

Patent

active

043291961

ABSTRACT:
A heat-sensitive, three-dimensional thermoplastic layer is laminated to a thermoplastic substrate by a specific fusion bonding process which produces a laminate having substantially no thermal distortion. This process employs cooling to protect the three-dimensional structure from thermal damage and balancing of the heat flow from the substrate to prevent warpage. In the preferred process a grass-like sheet of low density polyethylene is fusion bonded to a rigid high density polyethylene substrate.

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