Heating – Heating or heat retaining work chamber structure – Protected – lined or reinforced melt holding section
Patent
1975-09-25
1977-02-01
Camby, John J.
Heating
Heating or heat retaining work chamber structure
Protected, lined or reinforced melt holding section
432217, 110 99R, F27B 1408
Patent
active
040059820
ABSTRACT:
A shaft casing has a funnel-shaped widened upper portion connected to a cupola casing. Between the widened portion and a refractory shaft lining is a supporting frame having a platform on which a cupola lining rests. The frame is connected to the lower end of the widened portion.
REFERENCES:
patent: 2376099 (1945-05-01), Swartz
patent: 2989296 (1961-06-01), Corriston
patent: 3241823 (1966-03-01), Pentek
patent: 3334880 (1967-08-01), Nishida et al.
patent: 3416780 (1968-12-01), Hanna
patent: 3690627 (1972-09-01), Van Herk et al.
Bauersachs Otto
Hebel Rudolf
Palz Helmut
Camby John J.
Didier-Werke AG
Yuen Henry C.
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