Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1997-08-27
1999-03-23
Ortiz, Angela
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264255, 264308, 264309, 264DIG53, 264DIG72, B29C 4108, B29C 7102
Patent
active
058855033
ABSTRACT:
A cast, composite countertop is prepared by spraying a castable, curable organic resin composition which includes over 20% by weight of an inorganic, particulate material therein, into a mold cavity corresponding to a top surface and side wall of a countertop so as to produce a continuous coating therein. This coating is at least partially cured, and a hardenable, liquid substrate composition introduced into the mold cavity, and the resultant composite is fully cured to produce a countertop. In some instances, an additional casting step may be employed to build up the edge thickness. Also disclosed are dual spray techniques for enhancing the surface quality of the composite, and techniques for enhancing the thermal stability thereof. Also disclosed are countertops made by the disclosed methods.
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Ortiz Angela
Talon Surfaces LLC
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