Method for making a formed laminate of collapsed foam

Details Method for making a formed laminate of collapsed foam Method for making a formed laminate of collapsed foam

1993-10-12

1995-02-14

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 264 466, 264257, 264321, 4283142, B29C 6722

Patent

active

053893182

ABSTRACT:
A formed laminate (20) is made by a method and apparatus (38) by relative movement of first and second contoured mold surfaces (44,46) toward each other to compress a flexible sheet (28) and a quick reacting foamable liquid mixture (50) that has substantially completed expansion but not yet substantially cured so as to form the flexible sheet and provide a collapsed foam layer (30) bonded to the sheet. The flexible sheet (28) is preferably porous cloth, vinyl or leather. The quick reacting type foamable liquid mixture (50) which expands in about 8 to 25 seconds and most preferably in about 10 to 15 seconds.

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