FR923997A - Process for improving reinforcing alloys added by welding on certain metal parts and in particular application to combustion engine valves - Google Patents

Process for improving reinforcing alloys added by welding on certain metal parts and in particular application to combustion engine valves

Info

Publication number
FR923997A
FR923997A FR923997DA FR923997A FR 923997 A FR923997 A FR 923997A FR 923997D A FR923997D A FR 923997DA FR 923997 A FR923997 A FR 923997A
Authority
FR
France
Prior art keywords
welding
combustion engine
particular application
metal parts
certain metal
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
Other languages
French (fr)
Inventor
Gabriel Jeudi
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
Application granted granted Critical
Publication of FR923997A publication Critical patent/FR923997A/en
Expired legal-status Critical Current

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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
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
    • B23P15/002—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings poppet valves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR923997D 1946-02-15 1946-02-15 Process for improving reinforcing alloys added by welding on certain metal parts and in particular application to combustion engine valves Expired FR923997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR923997T 1946-02-15

Publications (1)

Publication Number Publication Date
FR923997A true FR923997A (en) 1947-07-23

Family

ID=9439086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923997D Expired FR923997A (en) 1946-02-15 1946-02-15 Process for improving reinforcing alloys added by welding on certain metal parts and in particular application to combustion engine valves

Country Status (1)

Country Link
FR (1) FR923997A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380420A2 (en) * 1977-02-15 1978-09-08 Dervaux Ets Internal combustion engine valve body - is welded to its seat and is then aged
FR2392128A1 (en) * 1977-05-27 1978-12-22 British Steel Corp SURFACE TREATMENT PROCESS OF METAL ELEMENTS, AND RESULTING METAL ELEMENTS
US4881500A (en) * 1987-12-04 1989-11-21 Ngk Spark Plug Co., Ltd. Poppet valve made of ceramics

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380420A2 (en) * 1977-02-15 1978-09-08 Dervaux Ets Internal combustion engine valve body - is welded to its seat and is then aged
FR2392128A1 (en) * 1977-05-27 1978-12-22 British Steel Corp SURFACE TREATMENT PROCESS OF METAL ELEMENTS, AND RESULTING METAL ELEMENTS
US4881500A (en) * 1987-12-04 1989-11-21 Ngk Spark Plug Co., Ltd. Poppet valve made of ceramics

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