FR1564377A - - Google Patents

Info

Publication number
FR1564377A
FR1564377A FR1564377DA FR1564377A FR 1564377 A FR1564377 A FR 1564377A FR 1564377D A FR1564377D A FR 1564377DA FR 1564377 A FR1564377 A FR 1564377A
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.)
Expired
Application number
Other languages
French (fr)
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 FR1564377A publication Critical patent/FR1564377A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F35/00—Making springs from wire
    • 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
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/62—Continuous furnaces for strip or wire with direct resistance heating

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)
  • Wire Processing (AREA)
FR1564377D 1967-05-17 1968-05-16 Expired FR1564377A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE06878/67A SE347762B (de) 1967-05-17 1967-05-17

Publications (1)

Publication Number Publication Date
FR1564377A true FR1564377A (de) 1969-04-18

Family

ID=20269820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1564377D Expired FR1564377A (de) 1967-05-17 1968-05-16

Country Status (6)

Country Link
US (1) US3552168A (de)
CH (1) CH472922A (de)
DE (1) DE1752367A1 (de)
FR (1) FR1564377A (de)
GB (1) GB1211585A (de)
SE (1) SE347762B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629911C3 (de) * 1976-07-01 1980-06-04 Mannesmann Ag, 4000 Duesseldorf Verfahren und Vorrichtung zum fortlaufenden elektrischen Widerstandserwärmen eines langgestreckten Gutes endlicher Länge
SE420981B (sv) * 1976-09-03 1981-11-16 Bulten Kanthal Ab Sett att varmboja ett vesentligen rakt trademne
GB0823067D0 (en) 2008-12-18 2009-01-28 Springform Technology Ltd Improvements related to the manufacture of coil springs
KR101419698B1 (ko) * 2014-03-25 2014-07-21 대원강업 주식회사 열간 코일스프링 제조장치
US11524354B2 (en) 2017-06-09 2022-12-13 Illinois Tool Works Inc. Systems, methods, and apparatus to control weld current in a preheating system
MX2020002936A (es) * 2017-09-29 2020-07-24 Illinois Tool Works Sistemas metodos y aparatos para precalentar alambre de soldadura.

Also Published As

Publication number Publication date
US3552168A (en) 1971-01-05
DE1752367A1 (de) 1971-05-19
GB1211585A (en) 1970-11-11
SE347762B (de) 1972-08-14
CH472922A (de) 1969-05-31

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Legal Events

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