JPS50124846A - - Google Patents

Info

Publication number
JPS50124846A
JPS50124846A JP49031869A JP3186974A JPS50124846A JP S50124846 A JPS50124846 A JP S50124846A JP 49031869 A JP49031869 A JP 49031869A JP 3186974 A JP3186974 A JP 3186974A JP S50124846 A JPS50124846 A JP S50124846A
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
JP49031869A
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
Priority to JP49031869A priority Critical patent/JPS50124846A/ja
Priority to US05/560,208 priority patent/US3946583A/en
Publication of JPS50124846A publication Critical patent/JPS50124846A/ja
Pending 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
    • C21D7/12—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars by expanding tubular bodies
    • 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
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49805—Shaping by direct application of fluent pressure
JP49031869A 1974-03-20 1974-03-20 Pending JPS50124846A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP49031869A JPS50124846A (ja) 1974-03-20 1974-03-20
US05/560,208 US3946583A (en) 1974-03-20 1975-03-20 Method and apparatus for improving fatigue strength in weld zones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49031869A JPS50124846A (ja) 1974-03-20 1974-03-20

Publications (1)

Publication Number Publication Date
JPS50124846A true JPS50124846A (ja) 1975-10-01

Family

ID=12343039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49031869A Pending JPS50124846A (ja) 1974-03-20 1974-03-20

Country Status (2)

Country Link
US (1) US3946583A (ja)
JP (1) JPS50124846A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214923A (en) * 1978-10-04 1980-07-29 Caterpillar Tractor Co. Method for treating metal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993263A (en) * 1958-01-20 1961-07-25 Reynolds Metals Co Method of expanding pressure welded passageway panels
US3238610A (en) * 1964-04-13 1966-03-08 Bendix Corp Method of preparing and fluid pressure forming welded blanks
GB1378421A (en) * 1972-01-18 1974-12-27 British Aircraft Corp Ltd Forming articles from superplastic alloys

Also Published As

Publication number Publication date
US3946583A (en) 1976-03-30

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