Method of manufacturing a grate

Details Method of manufacturing a grate Method of manufacturing a grate

1980-06-27

1981-11-03

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 67, 106 71, 264156, 501130, 501141, F27B 910

Patent

active

042985609

ABSTRACT:
A method of manufacturing a grate for support of combustible solids comprises mixing a kaolin-type clay with water and a small percentage of stainless steel needles, pouring the mixture into a prepared mold, allowing the mixture to harden, drilling holes through the hardened mixture for the purpose of allowing air to pass therethrough, and curing the hardened mixture at an elevated temperature. The curing of the hardened mixture is preferably accomplished by increasing the temperature gradually to a maximum of 2,000.degree. F. and slowly decreasing the temperature to an ambient temperature.

REFERENCES:
patent: 1948173 (1934-02-01), Hagan
patent: 3823677 (1974-07-01), Polsak
patent: 3863359 (1975-02-01), Grega
patent: 3977947 (1976-08-01), Pyle
patent: 4030895 (1977-06-01), Caughey
patent: 4095958 (1978-06-01), Caughey

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