GB2123040B - Method of and apparatus for chilling and hardening heated pipes - Google Patents

Method of and apparatus for chilling and hardening heated pipes

Info

Publication number
GB2123040B
GB2123040B GB08316935A GB8316935A GB2123040B GB 2123040 B GB2123040 B GB 2123040B GB 08316935 A GB08316935 A GB 08316935A GB 8316935 A GB8316935 A GB 8316935A GB 2123040 B GB2123040 B GB 2123040B
Authority
GB
United Kingdom
Prior art keywords
chilling
heated pipes
hardening
hardening heated
pipes
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.)
Expired
Application number
GB08316935A
Other versions
GB2123040A (en
GB8316935D0 (en
Inventor
Wolfgang Kretzschmann
Jurgen Schulz
Josef Holtermann
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB8316935D0 publication Critical patent/GB8316935D0/en
Publication of GB2123040A publication Critical patent/GB2123040A/en
Application granted granted Critical
Publication of GB2123040B publication Critical patent/GB2123040B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • C21D1/64—Quenching devices for bath quenching with circulating liquids
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling 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)
GB08316935A 1982-07-07 1983-06-22 Method of and apparatus for chilling and hardening heated pipes Expired GB2123040B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3225846A DE3225846C2 (en) 1982-07-07 1982-07-07 Device for quenching the inner and outer surface of pipes in an oil bath

Publications (3)

Publication Number Publication Date
GB8316935D0 GB8316935D0 (en) 1983-07-27
GB2123040A GB2123040A (en) 1984-01-25
GB2123040B true GB2123040B (en) 1985-07-24

Family

ID=6168120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08316935A Expired GB2123040B (en) 1982-07-07 1983-06-22 Method of and apparatus for chilling and hardening heated pipes

Country Status (5)

Country Link
JP (1) JPS599126A (en)
DE (1) DE3225846C2 (en)
FR (1) FR2529908A1 (en)
GB (1) GB2123040B (en)
IT (1) IT1169441B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0172250B1 (en) * 1984-02-17 1992-05-06 Kawasaki Steel Corporation Apparatus for dip-hardening metal pipe
DE3803973C1 (en) * 1988-02-05 1989-03-09 Mannesmann Ag, 4000 Duesseldorf, De Apparatus for quenching elongated cylindrical pressure vessels

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR878869A (en) * 1941-02-04 1943-02-08 Rohrenwerke A G Deutsche Tempering process for elongated objects
US3212766A (en) * 1960-08-15 1965-10-19 Mannesmann Ag Apparatus for depth hardening long tubes
US3623716A (en) * 1969-07-18 1971-11-30 Mannesmann Roehren Werke Ag Method and apparatus for hardening pipes internally and externally
US3997375A (en) * 1973-07-16 1976-12-14 The Algoma Steel Corporation, Limited Steel hardening method
FR2462480A1 (en) * 1979-08-03 1981-02-13 Pont A Mousson PROCESS AND INSTALLATION FOR HANDLING CAST IRON PIPES OR STEEL TUBES DURING THEIR HEAT TREATMENT
DE2935242C2 (en) * 1979-08-30 1982-05-06 Mannesmann AG, 4000 Düsseldorf Pipe oil treatment system.
US4376528A (en) * 1980-11-14 1983-03-15 Kawasaki Steel Corporation Steel pipe hardening apparatus

Also Published As

Publication number Publication date
GB2123040A (en) 1984-01-25
IT8321823A0 (en) 1983-06-28
DE3225846A1 (en) 1984-01-12
FR2529908A1 (en) 1984-01-13
JPS599126A (en) 1984-01-18
IT1169441B (en) 1987-05-27
DE3225846C2 (en) 1984-05-17
GB8316935D0 (en) 1983-07-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee