Apparatus for making formed laminate

Details Apparatus for making formed laminate Apparatus for making formed laminate

1997-02-06

1999-10-26

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

With mechanical means forming or expanding pores

425 4C, 425150, 425817R, B29C 6722

Patent

active

059717300

ABSTRACT:
A formed laminate (20) is made by a method and apparatus (38) by compressing a flexible sheet (28) and a 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. A film (56) which is preferably a nonadherent plastic such as polyethylene is preferably positioned in a vertically spaced relationship with the flexible sheet (28) either above or below the flexible sheet with the foamable liquid mixture received therebetween for the expansion prior to the compression that provides the formed laminate. The formed laminate (20) has particular utility as an article of apparel (22) and is preferably made by a 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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