Furnaces – Door casings and arches
Patent
1981-12-30
1984-02-07
Favors, Edward G.
Furnaces
Door casings and arches
110173R, 202248, 432250, F23M 500
Patent
active
044296410
ABSTRACT:
A cast ceramic hearth door and frame which provides a one-piece ceramic frame with provisions for a door to be slideably disposed within the one-piece frame.
REFERENCES:
patent: 1407708 (1922-08-01), Thornton
patent: 3980028 (1976-07-01), Ginsburg
patent: 4016820 (1977-04-01), Johnson et al.
patent: 4120641 (1978-10-01), Myles
patent: 4174331 (1979-11-01), Myles
patent: 4248752 (1981-02-01), Myles
patent: 4300882 (1981-11-01), Werych
Bethlehem Steel Corporation
Favors Edward G.
Iverson John I.
Noll William B.
Selko John J.
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