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EP0172250A4 - Apparatus for dip-hardening metal pipe. - Google Patents

Apparatus for dip-hardening metal pipe.

Info

Publication number
EP0172250A4
EP0172250A4 EP19840900872 EP84900872A EP0172250A4 EP 0172250 A4 EP0172250 A4 EP 0172250A4 EP 19840900872 EP19840900872 EP 19840900872 EP 84900872 A EP84900872 A EP 84900872A EP 0172250 A4 EP0172250 A4 EP 0172250A4
Authority
EP
European Patent Office
Prior art keywords
dip
metal pipe
hardening metal
hardening
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19840900872
Other languages
German (de)
French (fr)
Other versions
EP0172250B1 (en
EP0172250A1 (en
Inventor
Toshio Ohsimatani
Yukihiro Mimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of EP0172250A1 publication Critical patent/EP0172250A1/en
Publication of EP0172250A4 publication Critical patent/EP0172250A4/en
Application granted granted Critical
Publication of EP0172250B1 publication Critical patent/EP0172250B1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/63Quenching devices for bath quenching
    • C21D1/64Quenching devices for bath quenching with circulating liquids
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085Cooling or quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP19840900872 1984-02-17 1984-02-17 Apparatus for dip-hardening metal pipe Expired EP0172250B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1984/000049 WO1985003726A1 (en) 1984-02-17 1984-02-17 Apparatus for dip-hardening metal pipe

Publications (3)

Publication Number Publication Date
EP0172250A1 EP0172250A1 (en) 1986-02-26
EP0172250A4 true EP0172250A4 (en) 1987-08-24
EP0172250B1 EP0172250B1 (en) 1992-05-06

Family

ID=13818243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840900872 Expired EP0172250B1 (en) 1984-02-17 1984-02-17 Apparatus for dip-hardening metal pipe

Country Status (3)

Country Link
EP (1) EP0172250B1 (en)
DE (1) DE3485709D1 (en)
WO (1) WO1985003726A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9200504A (en) * 1992-02-14 1993-08-17 Mannesmann Sa EQUIPMENT AND PROCESS FOR TEMPERING STEEL PIPES
US5626693A (en) * 1995-07-19 1997-05-06 Neturen Co., Ltd. Method and apparatus for quenching a tubular workpiece
DE69916426D1 (en) * 1999-05-07 2004-05-19 Ermat Tassin La Demi Lune Device for rotating cylindrical bars during a quenching process
CN106636597B (en) * 2016-12-25 2018-03-20 重庆润跃机械有限公司 Gear quenching processing unit
IT201700025495A1 (en) * 2017-03-08 2018-09-08 Gf Elti S R L Equipment for supporting metal pipes during their immersion in cooling tanks in carrying out heat treatments.
IT201700025512A1 (en) * 2017-03-08 2018-09-08 Gf Elti S R L Apparatus for supporting and rotating, around their axis, bodies with an elongated shape, particularly for supporting and rotating metal tubes during their cooling in the execution of heat treatments.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1245799A (en) * 1967-11-27 1971-09-08 Ilse Wewer Shaft tempering and straightening machine and a method of straightening workpieces
GB2100292A (en) * 1981-05-06 1982-12-22 Nippon Kokan Kk Quenching method and apparatus for steel pipes
GB2123040A (en) * 1982-07-07 1984-01-25 Mannesmann Ag Method of and apparatus for chilling and hardening heated pipes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5383910A (en) * 1976-12-29 1978-07-24 Nippon Steel Corp Immersion cooling apparatus for high temperatus matallic pipe
JPS5923819A (en) * 1982-07-30 1984-02-07 Kawasaki Steel Corp Cooling method of pipe material
JPS6039733B2 (en) * 1982-08-19 1985-09-07 川崎製鉄株式会社 Pipe inner surface cooling water injection timing determining device for steel pipe immersion hardening equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1245799A (en) * 1967-11-27 1971-09-08 Ilse Wewer Shaft tempering and straightening machine and a method of straightening workpieces
GB2100292A (en) * 1981-05-06 1982-12-22 Nippon Kokan Kk Quenching method and apparatus for steel pipes
GB2123040A (en) * 1982-07-07 1984-01-25 Mannesmann Ag Method of and apparatus for chilling and hardening heated pipes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8503726A1 *

Also Published As

Publication number Publication date
EP0172250B1 (en) 1992-05-06
WO1985003726A1 (en) 1985-08-29
DE3485709D1 (en) 1992-06-11
EP0172250A1 (en) 1986-02-26

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