Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1998-05-21
1999-09-07
Kuhns, Allan R.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264255, B29C 4406, B29C 4412
Patent
active
059483334
ABSTRACT:
The present invention generally relates to imitation marble objects. More particularly, the present invention relates to a method for producing imitation marble fixtures such as tubs, walls, vanities, etc. A method for producing imitation marble fixtures, comprising the steps of applying a first layer over a prepared mold which outlines the features of the desired product, wherein the first layer comprises a clear polyester gel coat. Then applying a second layer over the first layer, the second layer comprises a pattern of swirls and veins permeated throughout a matching polyester gel coat. Thereafter, applying a third layer over the second layer, the third layer comprises calcium carbonate with polyester resin for the purpose of providing the base color of the imitation marble fixture. Finally, applying a layer of polyurethane foam, wherein the polyurethane foam consists of equal parts of Polymeric Diphenylethane Diisocyanate and Polyol Tertiaryamine. Blending of the aforementioned materials produces a chemical reaction causing expansion of the components for the purpose of filling the mold thereby defining the fixture. The present invention provides a method which will create a imitation marble fixture in a much more time and cost efficient manner than previous methods such as that used to produce cultured marble. Further, the invention also provides a method which produces objects which have a weight only a fraction of the weight of similar objects made of cultured marble.
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Kuhns Allan R.
Replica Plastics
Veal Robert J.
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