C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
38/22
C21D 1/10 (2006.01) C21D 1/42 (2006.01) C21D 9/08 (2006.01)
Patent
CA 1183348
Abstract Both thickened end portions of predetermined lengths of an upset steel pipe are preheated simultaneously, in advance of heat treatment of the pipe, in an apparatus provided with means for raising or lowering the station- arily supported upset steel pipe and with a pair of induction heaters for simultaneously heating both end portions of the upset steel pipe in the raised position of the pipe, the pair of induction heaters being set in advance to a relative spacing corresponding to the length of the steel pipe, and reciprocated with strokes corres- ponding to the lengths of the thickened end portions. The support means for raising and lowering the pipe includes a plurality of units which may be raised and lowered separately and selectively.
407774
Ono Tatsuo
Sakurai Katsumi
Sano Shigeru
Tsuruoka Kanji
Watanabe Masaru
Macrae & Co.
Nippon Kokan Kabushiki Kaisha
LandOfFree
Apparatus for preheating the ends of upset steel pipes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for preheating the ends of upset steel pipes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for preheating the ends of upset steel pipes will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1219797