Lightweight and dimensionally accurate resin concrete molded pro

Details Lightweight and dimensionally accurate resin concrete molded pro Lightweight and dimensionally accurate resin concrete molded pro

1980-10-03

1983-05-03

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Applied to clay, sand, or earthen workpiece

264256, 264333, 428703, A47K 104, B32B 528

Patent

active

043820557

ABSTRACT:
A lightweight and highly dimensionally accurate molded resin concrete product essentially comprises an intermediate layer composed of resin concrete having a resin content of about 10 to 70%, and a thickness which is not greater than 20/1,000 of its maximum length, and a pair of reinforcing layers composed of a fiber reinforced plastic, and between which the resin concrete layer is sandwiched. The product having a very small wall thickness, and high hot water resistance is particularly useful as a bathtub, or the like. Disclosed also is a method of making such a molded resin concrete product.

REFERENCES:
patent: 2731377 (1956-01-01), Riddell
patent: 3637457 (1972-01-01), Gothard
patent: 3653170 (1972-04-01), Sheckler
patent: 3654018 (1972-04-01), Bogue
patent: 3781396 (1973-12-01), Okuda
patent: 4002708 (1977-01-01), Lott
patent: 4185141 (1980-01-01), Krejci

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