CH472922A - Maschine zum Biegen von Federn - Google Patents

Maschine zum Biegen von Federn

Info

Publication number
CH472922A
CH472922A CH739268A CH739268A CH472922A CH 472922 A CH472922 A CH 472922A CH 739268 A CH739268 A CH 739268A CH 739268 A CH739268 A CH 739268A CH 472922 A CH472922 A CH 472922A
Authority
CH
Switzerland
Prior art keywords
machine
bending springs
springs
bending
Prior art date
Application number
CH739268A
Other languages
English (en)
Inventor
Erik Svensson Lars
Lennart Wahlstrom Nils
Original Assignee
Industrifjadrar 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 Industrifjadrar Ab filed Critical Industrifjadrar Ab
Publication of CH472922A publication Critical patent/CH472922A/de

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)
CH739268A 1967-05-17 1968-05-16 Maschine zum Biegen von Federn CH472922A (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
CH472922A true CH472922A (de) 1969-05-31

Family

ID=20269820

Family Applications (1)

Application Number Title Priority Date Filing Date
CH739268A CH472922A (de) 1967-05-17 1968-05-16 Maschine zum Biegen von Federn

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111683778A (zh) * 2017-09-29 2020-09-18 伊利诺斯工具制品有限公司 用于预热焊丝的系统、方法和设备
US11980977B2 (en) 2022-11-10 2024-05-14 Illinois Tool Works Inc. Systems, methods, and apparatus to control weld current in a preheating system

Families Citing this family (4)

* 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111683778A (zh) * 2017-09-29 2020-09-18 伊利诺斯工具制品有限公司 用于预热焊丝的系统、方法和设备
CN111683778B (zh) * 2017-09-29 2022-12-30 伊利诺斯工具制品有限公司 用于预热焊丝的系统、方法和设备
US11980977B2 (en) 2022-11-10 2024-05-14 Illinois Tool Works Inc. Systems, methods, and apparatus to control weld current in a preheating system

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
FR1564377A (de) 1969-04-18

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Legal Events

Date Code Title Description
PL Patent ceased