C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/5
C21D 1/50 (2006.01) C21D 1/44 (2006.01) C21D 9/08 (2006.01)
Patent
CA 1135053
ABSTRACT OF THE DISCLOSURE Hot pipes are tempered in an oil bath contained in a tapered, covered pan; a flap is temporarily opened for feeding, but closed when oil vapor develops, to be sucked off without contaminating the environment. Pan and cover structure are supplemented to prevent uncontrolled escape of vapor during treatment. Different handling devices for pipes in the interior of the pan are described.
358553
Carneim Wilfried
Hillemanns Herbert
Ribken Hans
Roether Kurt
Schumacher Heinz
Fetherstonhaugh & Co.
Mannesmann Aktiengesellschaft
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