JPS5064155A - - Google Patents

Info

Publication number
JPS5064155A
JPS5064155A JP49101005A JP10100574A JPS5064155A JP S5064155 A JPS5064155 A JP S5064155A JP 49101005 A JP49101005 A JP 49101005A JP 10100574 A JP10100574 A JP 10100574A JP S5064155 A JPS5064155 A JP S5064155A
Authority
JP
Japan
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.)
Pending
Application number
JP49101005A
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 filed Critical
Publication of JPS5064155A publication Critical patent/JPS5064155A/ja
Pending 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
    • C21D7/00Modifying the physical properties of iron or steel by deformation
    • C21D7/02Modifying the physical properties of iron or steel by deformation by cold working
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
JP49101005A 1973-09-04 1974-09-04 Pending JPS5064155A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00394202A US3841137A (en) 1973-09-04 1973-09-04 Method of improving the collapse strength of conduits

Publications (1)

Publication Number Publication Date
JPS5064155A true JPS5064155A (ja) 1975-05-31

Family

ID=23557981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49101005A Pending JPS5064155A (ja) 1973-09-04 1974-09-04

Country Status (6)

Country Link
US (1) US3841137A (ja)
JP (1) JPS5064155A (ja)
CA (1) CA1006793A (ja)
DE (1) DE2438700A1 (ja)
FR (1) FR2242470A1 (ja)
GB (1) GB1422927A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8746028B2 (en) 2002-07-11 2014-06-10 Weatherford/Lamb, Inc. Tubing expansion
GB0216074D0 (en) * 2002-07-11 2002-08-21 Weatherford Lamb Improving collapse resistance of tubing
US12358038B2 (en) 2017-02-14 2025-07-15 United States Steel Corporation Metallic tubular products with enhanced collapse resistance
JP2020510140A (ja) * 2017-02-14 2020-04-02 ユナイテッド ステイツ スチール コーポレイションUnited States Steel Corporation 金属管状製品のコラプス抵抗を向上させるための圧縮成形プロセス

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US16220A (en) * 1856-12-09 Samuel carson
US2178141A (en) * 1937-07-29 1939-10-31 Nat Supply Co Method for straightening oil-well casings or the like

Also Published As

Publication number Publication date
US3841137A (en) 1974-10-15
DE2438700A1 (de) 1975-03-06
GB1422927A (en) 1976-01-28
CA1006793A (en) 1977-03-15
FR2242470A1 (ja) 1975-03-28

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