EP0507619A3 - Hardening pipes - Google Patents

Hardening pipes Download PDF

Info

Publication number
EP0507619A3
EP0507619A3 EP19920302981 EP92302981A EP0507619A3 EP 0507619 A3 EP0507619 A3 EP 0507619A3 EP 19920302981 EP19920302981 EP 19920302981 EP 92302981 A EP92302981 A EP 92302981A EP 0507619 A3 EP0507619 A3 EP 0507619A3
Authority
EP
European Patent Office
Prior art keywords
hardening
pipes
hardening 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.)
Withdrawn
Application number
EP19920302981
Other versions
EP0507619A2 (en
Inventor
Stuart Ian Findlay
John Mckelvie
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.)
TUBULAR INDUSTRIES SCOTLAND LIMITED
Original Assignee
British Steel PLC
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 British Steel PLC filed Critical British Steel PLC
Publication of EP0507619A2 publication Critical patent/EP0507619A2/en
Publication of EP0507619A3 publication Critical patent/EP0507619A3/en
Withdrawn legal-status Critical Current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
    • 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)
EP19920302981 1991-04-03 1992-04-03 Hardening pipes Withdrawn EP0507619A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9106924 1991-04-03
GB919106924A GB9106924D0 (en) 1991-04-03 1991-04-03 Hardening pipes

Publications (2)

Publication Number Publication Date
EP0507619A2 EP0507619A2 (en) 1992-10-07
EP0507619A3 true EP0507619A3 (en) 1993-10-06

Family

ID=10692544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920302981 Withdrawn EP0507619A3 (en) 1991-04-03 1992-04-03 Hardening pipes

Country Status (2)

Country Link
EP (1) EP0507619A3 (en)
GB (1) GB9106924D0 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807714A (en) * 1971-07-28 1974-04-30 Ludwig Ofag Indugas Gmbh Apparatus for the quenching of pipe
GB1385243A (en) * 1971-02-01 1975-02-26 Mannesmann Ag Method and apparatus for the quench-hardening of tubes
US3937448A (en) * 1973-05-21 1976-02-10 Sumitomo Metal Industries Limited Apparatus for hardening steel pipes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU789607A1 (en) * 1978-04-06 1980-12-23 Предприятие П/Я В-8173 Tube temperature device
SU828715A1 (en) * 1978-06-19 1988-01-23 Предприятие П/Я В-8173 Device for internal cooling of hollow articles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1385243A (en) * 1971-02-01 1975-02-26 Mannesmann Ag Method and apparatus for the quench-hardening of tubes
US3807714A (en) * 1971-07-28 1974-04-30 Ludwig Ofag Indugas Gmbh Apparatus for the quenching of pipe
US3937448A (en) * 1973-05-21 1976-02-10 Sumitomo Metal Industries Limited Apparatus for hardening steel pipes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED Section Ch, Week 8829, 31 August 1988 Derwent Publications Ltd., London, GB; Class M24, AN 88-203341/29 & SU-A-828 715 (KHEIFETS G N) 23 January 1988 *
SOVIET INVENTIONS ILLUSTRATED Section Ch, Week D37, 21 October 1981 Derwent Publications Ltd., London, GB; Class M24, AN 67471D/37 & SU-A-789 607 (KOLOMENSKII V K) 28 December 1980 *

Also Published As

Publication number Publication date
GB9106924D0 (en) 1991-05-22
EP0507619A2 (en) 1992-10-07

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Legal Events

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Effective date: 19961104