Ceramic plates and method for the production thereof

Details Ceramic plates and method for the production thereof Ceramic plates and method for the production thereof

1983-04-13

1985-01-22

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 56, 264148, C04B 3324

Patent

active

044951183

ABSTRACT:
Large and thin ceramic plates of, particularly at least 30.times.30 cm in size and not greater than 20 mm especially not greater than 8 mm in thickness and having oriented crystals are produced by a method comprising drawing a green body from an extruder in a curved shape, cutting and spreading the green body in a plate form, rolling the plates in the same direction as that of drawing, subjecting the rolled plates to the treatment with far infrared rays or high-frequency heating before the plates contain a moisture reduced to less than 15% while the plates are transferred in the same direction as that of drawing, drying the plates thus treated while the plates are further transferred in the same direction, and then firing the plates in a kiln. The ceramic plates are large and thin but nevertheless easy to handle.

REFERENCES:
patent: 2143003 (1939-01-01), Gould
patent: 2454708 (1948-11-01), Middleton
patent: 3442994 (1969-05-01), Herbert
patent: 3487135 (1969-12-01), Harsler
patent: 3904352 (1975-09-01), Thurnauer
patent: 4183885 (1980-01-01), Marazzi

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