Method of forming panels

Details Method of forming panels Method of forming panels

1975-05-05

1976-09-28

Kendell, Lorraine T.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 63, 156219, 156298, 156306, 428187, 428195, B29D 300, B32B 3100

Patent

active

039829855

ABSTRACT:
A method of forming a panel having a surface pattern, comprising placing a superstate lamina shaped to define the desired pattern onto a substrate, the substrate and superstrate both comprising cellular thermoplastic materials which are mutually discernible, pressing a die face against the surface of the superstrate lamina and against at least that portion of the substrate adjacent the superstrate, said die face having a temperature above the softening temperature of both the superstate and substrate thermoplastic materials, to thereby collapse the cellular structure of the superstrate and the substrate where contacted by the die and form an integral non-cellular surface layer containing the pattern as an integral part thereof, cooling the die face to harden said layer, and removing the die.

REFERENCES:
patent: 3351507 (1967-11-01), Schafer
patent: 3616029 (1971-10-01), Lerman
patent: 3629034 (1971-12-01), Kuroda
patent: 3756888 (1973-09-01), Kuroda
patent: 3763056 (1973-10-01), Will

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