SE347762B - - Google Patents

Info

Publication number
SE347762B
SE347762B SE06878/67A SE687867A SE347762B SE 347762 B SE347762 B SE 347762B SE 06878/67 A SE06878/67 A SE 06878/67A SE 687867 A SE687867 A SE 687867A SE 347762 B SE347762 B SE 347762B
Authority
SE
Sweden
Application number
SE06878/67A
Inventor
L Svensson
N Wahlstroem
Original Assignee
Industrifjaedrar Ab
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 Industrifjaedrar Ab filed Critical Industrifjaedrar Ab
Priority to SE06878/67A priority Critical patent/SE347762B/xx
Priority to FR1564377D priority patent/FR1564377A/fr
Priority to DE19681752367 priority patent/DE1752367A1/en
Priority to CH739268A priority patent/CH472922A/en
Priority to GB23662/68A priority patent/GB1211585A/en
Priority to US730165A priority patent/US3552168A/en
Publication of SE347762B publication Critical patent/SE347762B/xx

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)
SE06878/67A 1967-05-17 1967-05-17 SE347762B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE06878/67A SE347762B (en) 1967-05-17 1967-05-17
FR1564377D FR1564377A (en) 1967-05-17 1968-05-16
DE19681752367 DE1752367A1 (en) 1967-05-17 1968-05-16 Device for tempering springs and the like in a spring spinning machine
CH739268A CH472922A (en) 1967-05-17 1968-05-16 Machine for bending springs
GB23662/68A GB1211585A (en) 1967-05-17 1968-05-17 Improvements in or relating to apparatus for tempering springs in a spring coiling machine
US730165A US3552168A (en) 1967-05-17 1968-05-17 Apparatus for tempering springs in a spring spinning machine

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE347762B true SE347762B (en) 1972-08-14

Family

ID=20269820

Family Applications (1)

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

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629911C3 (en) * 1976-07-01 1980-06-04 Mannesmann Ag, 4000 Duesseldorf Method and device for continuous electrical resistance heating of an elongated item of finite length
SE420981B (en) * 1976-09-03 1981-11-16 Bulten Kanthal Ab SET TO HEAT A REALLY STRAIGHT TRADEMARK
GB0823067D0 (en) * 2008-12-18 2009-01-28 Springform Technology Ltd Improvements related to the manufacture of coil springs
KR101419698B1 (en) * 2014-03-25 2014-07-21 대원강업 주식회사 hot formed coiling machine
US11524354B2 (en) 2017-06-09 2022-12-13 Illinois Tool Works Inc. Systems, methods, and apparatus to control weld current in a preheating system
EP3774151B1 (en) * 2017-09-29 2023-01-11 Illinois Tool Works Inc. Systems, methods, and apparatus to preheat welding wire

Also Published As

Publication number Publication date
DE1752367A1 (en) 1971-05-19
US3552168A (en) 1971-01-05
CH472922A (en) 1969-05-31
FR1564377A (en) 1969-04-18
GB1211585A (en) 1970-11-11

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