Moulded panel and the method of its manufacture

Details Moulded panel and the method of its manufacture Moulded panel and the method of its manufacture

1976-01-06

1977-08-16

Van Balen, William J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

260 25BE, 264321, 428310, 428311, B32B 2740, B32B 326

Patent

active

040427510

ABSTRACT:
At least one polyurethane cellular support sheet is impregnated in different zones with one or more polymerizable polyurethane mixtures and then molded while polymerization occurs to produce a shaped panel with zones or portions of different stiffness, and with or without one or more cover materials or inserts or fastening elements.

REFERENCES:
patent: 3811996 (1974-05-01), Polk
patent: 3833259 (1974-09-01), Pershing
patent: 3844876 (1974-10-01), Wilson et al.
patent: 3867492 (1975-02-01), Drostholm
patent: 3944704 (1976-03-01), Dirks

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