C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/31
C21D 1/63 (2006.01) C21D 9/08 (2006.01)
Patent
CA 1175650
Abstract of the Disclosure A multi-pipe quenching apparatus for simultaneously quenching a plurality of steel pipes at a high speed. The apparatus comprises (a) a steel pipe holding table for holding a plurality of steel pipes arranged in parallel which table is provided with a plurality of sets each includ- ing a plurality of clamp means for clamping a steel pipe at a plurality of points in the lengthwise direction thereof, and cooling water supply means for supplying water into said pipe through a nozzle pressed thereagainst, and (b) a quenching tank capable of containing water up to a predeter- mined level as occasion demands; whereby the holding table is vertically moved into and out of the quenching tank and the supply of water into the steel pipes is controlled by the cooling water supply means thereby quenching the steel pipes.
407188
Atago Kazuo
Noguchi Harumi
Ono Tatsuo
Sakurai Katsumi
Macrae & Co.
Nippon Kokan Kabushiki Kaisha
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