FR2238765A1 - - Google Patents

Info

Publication number
FR2238765A1
FR2238765A1 FR7425684A FR7425684A FR2238765A1 FR 2238765 A1 FR2238765 A1 FR 2238765A1 FR 7425684 A FR7425684 A FR 7425684A FR 7425684 A FR7425684 A FR 7425684A FR 2238765 A1 FR2238765 A1 FR 2238765A1
Authority
FR
France
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
FR7425684A
Other languages
French (fr)
Other versions
FR2238765B1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2238765A1 publication Critical patent/FR2238765A1/fr
Application granted granted Critical
Publication of FR2238765B1 publication Critical patent/FR2238765B1/fr
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
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency
FR7425684A 1973-07-25 1974-07-24 Expired FR2238765B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337684 DE2337684B2 (en) 1973-07-25 1973-07-25 METHOD FOR SHORT-TERM HARDENING OF SURFACE ELEMENTS OF HARDENABLE STEEL

Publications (2)

Publication Number Publication Date
FR2238765A1 true FR2238765A1 (en) 1975-02-21
FR2238765B1 FR2238765B1 (en) 1978-12-08

Family

ID=5887890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425684A Expired FR2238765B1 (en) 1973-07-25 1974-07-24

Country Status (9)

Country Link
JP (1) JPS5716167B2 (en)
AT (1) ATA355674A (en)
BE (1) BE818031A (en)
CA (1) CA1013033A (en)
CH (1) CH599347A5 (en)
DE (1) DE2337684B2 (en)
FR (1) FR2238765B1 (en)
GB (1) GB1490735A (en)
SE (1) SE7409627L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851142C2 (en) * 1978-11-25 1989-01-12 Neturen Co. Ltd., Tokyo Process for the production of a high-strength spring steel
JPS5593730U (en) * 1978-12-23 1980-06-28
JP2006083417A (en) * 2004-09-15 2006-03-30 Kyushu Institute Of Technology Surface modification method for iron alloy-made mechanism parts
JP2007231323A (en) * 2006-02-28 2007-09-13 Kyushu Institute Of Technology Method for reforming surface of iron alloy-made structural part
US20180094334A1 (en) 2016-09-30 2018-04-05 Lear Corporation Laser spot hardening

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567897A (en) * 1967-03-17 1971-03-02 Inoue K Heating the undersurface of a conductive body by electric current conducted thereto by a shaped stream of electrolyte

Also Published As

Publication number Publication date
DE2337684B2 (en) 1976-11-11
CH599347A5 (en) 1978-05-31
DE2337684A1 (en) 1975-02-06
BE818031A (en) 1974-11-18
ATA355674A (en) 1977-09-15
JPS5716167B2 (en) 1982-04-03
SE7409627L (en) 1975-01-27
CA1013033A (en) 1977-06-28
FR2238765B1 (en) 1978-12-08
JPS5044109A (en) 1975-04-21
GB1490735A (en) 1977-11-02

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse