Cover device for casting vessels, ladles or other metallurgical

Details Cover device for casting vessels, ladles or other metallurgical Cover device for casting vessels, ladles or other metallurgical

1976-10-20

1978-10-03

Dost, Gerald A.

Metallurgical apparatus

Means for holding or supporting work

Receptacle

220318, 220326, F27D 300

Patent

active

041180186

ABSTRACT:
A cover device suitable for casting vessels or the like is constructed to have an annular edge portion connected to the vessel by spring means. The cover has also a central portion corresponding to opening of the edge portion and a locking means is provided for locking the central portion with said edge portion.

REFERENCES:
patent: 945927 (1910-01-01), Forster
patent: 1312626 (1919-08-01), Grannis
patent: 1488026 (1924-03-01), Reilly
patent: 1861946 (1932-06-01), Wilhelmi
patent: 2054857 (1936-09-01), Gorsline
patent: 3292916 (1966-12-01), Finkl
patent: 3485408 (1969-12-01), Beruesch
patent: 3764124 (1973-10-01), LeMoyne

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