Wood-like molded product of synthetic resin

Details Wood-like molded product of synthetic resin Wood-like molded product of synthetic resin

1984-12-19

1986-09-09

Thibodeau, Paul J.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

156 622, 156209, 156268, 264118, 264119, 264162, 428151, 428156, 428167, 428326, B32B 2704, B32B 330

Patent

active

046109005

ABSTRACT:
The present invention relates to wood-like molded products of synthetic resin which are manufactured by mixing a synthetic resin material with a fine aggregate of cellulose base such as wood meal, chaffs, begasse and in which the internal residual stress which may cause deformation (for example, warping and twisting) of the products at the time or after molding is eliminated in advance to prevent chronological deformation. More particularly, it relates to a method of eliminating said residual stress by subjecting the molded products containing cellulose-base aggregate, especially the resinous skin layer thereof, to re-heating, curing and sanding or jetting treatments (sand blasting, shot peening, grit blasting) under predetermined conditions.

REFERENCES:
patent: 3309444 (1967-03-01), Schueller
patent: 3511744 (1970-05-01), Garrett, Jr.
patent: 3536574 (1970-10-01), Buckley
patent: 3873662 (1975-03-01), Cartlidge
patent: 4064301 (1977-12-01), Howard
patent: 4104429 (1978-08-01), Colledge

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