Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Bessemer-type treating vessel
Patent
1976-11-29
1977-08-09
Dost, Gerald A.
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
Bessemer-type treating vessel
C21C 548
Patent
active
040406113
ABSTRACT:
A device for clamping the base plate of a steel refining converter against a plate support ring attached to the casing of the converter comprises a plurality of rotatable brackets arranged to be beneath and around the circumference of the plate, each bracket being rotatable on a metal spindle passing through two parallel support flanges attached to the ring, and having a first shoulder with a very hard surface to be pressed against the base plate when the base plate is clamped in position, and an internally threaded second shoulder into which is screwed a retaining screw at the end of which is a ball which, when the base plate is clamped in position, engages in a semi-cylindrical groove in a metal bolt which engages in openings formed in each of said support flanges.
REFERENCES:
patent: 3851865 (1974-12-01), Fisher
Leroy Pierre
Sprunck Emile
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