Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles
Patent
1992-09-23
1994-03-22
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
B27N 300
Patent
active
052961761
ABSTRACT:
Disclosed is a parent material for wooden patterns which is made free of direction due to grain unlike in natural timber, stickiness caused by heat during cutting process unlike thermoplastic resin foam and micro-vibration due to foam, and which can prevent occurrence of distortion in the pattern made thereof, can afford so thick mold as more than 50 millimeter in spite of using wood flour as a base material and can be plated, and to provide a method of producing such a parent material. As base materials 50 to 70% by weight of 80 to 200 mesh wood flour and 30 to 50% by weight of a self-hardening resin constituted of a main resin, a hardening agent and an accelerator are used for kneading together and the mixture is subjected to molding under pressure at ordinary temperature so as to regulate water absorption to 3% or lower for every 24 hours for obtaining a product in specified size and in high density.
REFERENCES:
patent: 4627951 (1986-12-01), Shen
patent: 4882112 (1989-11-01), Maki et al.
patent: 4933232 (1990-06-01), Trout et al.
patent: 5002713 (1991-03-01), Palardy et al.
patent: 5064592 (1991-11-01), Ueda et al.
Industrial Technical R&D Laboratory Inc.
Theisen Mary Lynn
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