Process of making carbon-bonded refractory shaped articles

Details Process of making carbon-bonded refractory shaped articles Process of making carbon-bonded refractory shaped articles

1988-10-20

1991-02-19

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Filaments

264 294, 264 295, C01B 3102

Patent

active

049942166

ABSTRACT:
A process of making carbon-bonded refractory shapes by preparing a mix of refractory materials, pitch or tar and a binder resin, molding the mix into shapes and hardening the shapes. A starting mix is used which, based on the added quantity by weight of pitch or tar, contains 1 to 10 weight % of hollow fibers. The refractory shapes have the advantage that they exhibit less cracking, and hardly any, or even no, breaking occurs during their fabrication.

REFERENCES:
patent: 3832426 (1924-08-01), Malthouse et al.
patent: 4199366 (1980-04-01), Schaefer et al.

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