Refractory pipe fittings and production thereof

Details Refractory pipe fittings and production thereof Refractory pipe fittings and production thereof

1977-11-25

1978-07-25

Pavelko, Thomas P.

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

138149, 264 464, 264135, 264265, 264333, 264336, B28B 116

Patent

active

041029720

ABSTRACT:
A refractory pipe fitting has a wall body comprising an inner hollow layer of a synthetic resin, an outer layer made of a refractory, non-metallic, inorganic material, and an intermediate layer made of a flexible material and interposed between the inner and outer layers. Such a pipe fitting can be manufactured by preparing beforehand a composite body comprising an inner layer and an outer layer combined together in an integral manner, placing the composite body in an outer mold, and by filling the gap formed between the outer mold and the composite body with a mixture in a fluid form of a refractory material and water.

REFERENCES:
patent: 1363912 (1920-12-01), Pauly
patent: 1387067 (1921-08-01), Murray
patent: 2082399 (1933-03-01), Isman
patent: 2309903 (1943-02-01), Hume
patent: 2451046 (1948-10-01), Rembert
patent: 2816323 (1957-12-01), Munger
patent: 2857931 (1958-10-01), Lawton
patent: 3130520 (1964-04-01), Newman
patent: 3217077 (1965-11-01), Cocke
patent: 3271236 (1966-09-01), LaBadie
patent: 3491171 (1970-01-01), French
patent: 3549737 (1970-12-01), Schulze
patent: 3619457 (1971-11-01), Chandler
patent: 3787545 (1974-01-01), Chander
patent: 3985848 (1976-10-01), Frische

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