Method of producing tiles from beach sand garnet

Details Method of producing tiles from beach sand garnet Method of producing tiles from beach sand garnet

1996-07-05

1997-12-09

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Including plural heating steps

264660, 264678, 264680, 264DIG31, 501144, C04B 3332

Patent

active

056957122

ABSTRACT:
This invention relates to synthetic granite tiles made essentially from garnite sand and a process for the production of synthetic garnite tiles essentially from garnet sand which is a by-product of beach sand from rare earths extraction, said process comprising mixing beach sand garnet, feldspar and clay thoroughly; pressing the mixture using a press at a pressure in the range of 40-80 MPa to form tiles of desired shapes and sizes; drying the tiles so formed at a temperature of 100.degree.-120.degree. C.; firing the dried tiles at a temperature in the range of 1050.degree.-1250.degree. C. with a soaking for a period ranging from 1.5 to 2.5 hours, and polishing the resultant tiles.

REFERENCES:
patent: 1567091 (1925-12-01), Tone
patent: 2215215 (1940-09-01), Garbisch
patent: 5275989 (1994-01-01), Salge

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