Mold process for producing a finished solid surface countertop
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United States of America Patent
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Mar 23, 1999
Issued Date -
N/A
app pub date -
Aug 27, 1997
filing date -
May 12, 1997
priority date (Note) -
Expired
status (Latency Note)
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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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