JPS59225835A - 自転車用一体型クランク材の製作法 - Google Patents

自転車用一体型クランク材の製作法

Info

Publication number
JPS59225835A
JPS59225835A JP58099537A JP9953783A JPS59225835A JP S59225835 A JPS59225835 A JP S59225835A JP 58099537 A JP58099537 A JP 58099537A JP 9953783 A JP9953783 A JP 9953783A JP S59225835 A JPS59225835 A JP S59225835A
Authority
JP
Japan
Prior art keywords
pipe
parts
hydraulic
split mold
bulging
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.)
Granted
Application number
JP58099537A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0126781B2 (enExample
Inventor
Isao Kimura
勲 木村
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP58099537A priority Critical patent/JPS59225835A/ja
Publication of JPS59225835A publication Critical patent/JPS59225835A/ja
Publication of JPH0126781B2 publication Critical patent/JPH0126781B2/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
    • B21D53/00—Making other particular articles
    • B21D53/86—Making other particular articles other parts for bicycles or motorcycles
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/043—Means for controlling the axial pusher

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
JP58099537A 1983-06-06 1983-06-06 自転車用一体型クランク材の製作法 Granted JPS59225835A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58099537A JPS59225835A (ja) 1983-06-06 1983-06-06 自転車用一体型クランク材の製作法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58099537A JPS59225835A (ja) 1983-06-06 1983-06-06 自転車用一体型クランク材の製作法

Publications (2)

Publication Number Publication Date
JPS59225835A true JPS59225835A (ja) 1984-12-18
JPH0126781B2 JPH0126781B2 (enExample) 1989-05-25

Family

ID=14249946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58099537A Granted JPS59225835A (ja) 1983-06-06 1983-06-06 自転車用一体型クランク材の製作法

Country Status (1)

Country Link
JP (1) JPS59225835A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703606A1 (fr) * 1993-04-10 1994-10-14 Gkn Automotive Ag Procédé de fabrication d'arbres creux présentant un profil.
EP0864388A1 (fr) * 1997-03-12 1998-09-16 Ascometal Procédé de fabrication d'un vilebrequin notamment de moteur à combustion interne
JP2007209998A (ja) * 2006-02-08 2007-08-23 Nippon Steel Corp 金属管部材

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2703606A1 (fr) * 1993-04-10 1994-10-14 Gkn Automotive Ag Procédé de fabrication d'arbres creux présentant un profil.
EP0864388A1 (fr) * 1997-03-12 1998-09-16 Ascometal Procédé de fabrication d'un vilebrequin notamment de moteur à combustion interne
FR2760666A1 (fr) * 1997-03-12 1998-09-18 Ascometal Sa Procede de fabrication d'un vilebrequin, notamment de moteur a combustion interne
JP2007209998A (ja) * 2006-02-08 2007-08-23 Nippon Steel Corp 金属管部材

Also Published As

Publication number Publication date
JPH0126781B2 (enExample) 1989-05-25

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