JPH0256974B2 - - Google Patents

Info

Publication number
JPH0256974B2
JPH0256974B2 JP57211925A JP21192582A JPH0256974B2 JP H0256974 B2 JPH0256974 B2 JP H0256974B2 JP 57211925 A JP57211925 A JP 57211925A JP 21192582 A JP21192582 A JP 21192582A JP H0256974 B2 JPH0256974 B2 JP H0256974B2
Authority
JP
Japan
Prior art keywords
spring
residual stress
forming
mainspring
diameter
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 - Lifetime
Application number
JP57211925A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59101230A (ja
Inventor
Norihiko Yamada
Nobuyuki Kono
Toshiaki Arakawa
Shozo Abeyama
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP21192582A priority Critical patent/JPS59101230A/ja
Publication of JPS59101230A publication Critical patent/JPS59101230A/ja
Publication of JPH0256974B2 publication Critical patent/JPH0256974B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Wire Processing (AREA)
JP21192582A 1982-12-02 1982-12-02 ぜんまいばねの製造方法 Granted JPS59101230A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21192582A JPS59101230A (ja) 1982-12-02 1982-12-02 ぜんまいばねの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21192582A JPS59101230A (ja) 1982-12-02 1982-12-02 ぜんまいばねの製造方法

Publications (2)

Publication Number Publication Date
JPS59101230A JPS59101230A (ja) 1984-06-11
JPH0256974B2 true JPH0256974B2 (enExample) 1990-12-03

Family

ID=16613937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21192582A Granted JPS59101230A (ja) 1982-12-02 1982-12-02 ぜんまいばねの製造方法

Country Status (1)

Country Link
JP (1) JPS59101230A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020170469A1 (ja) * 2019-02-19 2020-08-27 ダイワボウホールディングス株式会社 紡績糸、その製造方法及びそれを含む布帛

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112547988B (zh) * 2020-11-20 2023-03-17 昌河飞机工业（集团）有限责任公司 一种制造初拉力弹簧的方法和装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113757A (enExample) * 1973-03-05 1974-10-30
JPS6050527B2 (ja) * 1977-04-22 1985-11-08 セイコ−電子部品株式会社 ゼンマイ加工装置
JPS5942579B2 (ja) * 1977-06-03 1984-10-16 日本金属株式会社 ぜんまいばねの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020170469A1 (ja) * 2019-02-19 2020-08-27 ダイワボウホールディングス株式会社 紡績糸、その製造方法及びそれを含む布帛

Also Published As

Publication number Publication date
JPS59101230A (ja) 1984-06-11

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