JPS61242740A - ボルト類の割りピン穴冷間鍛造方法 - Google Patents

ボルト類の割りピン穴冷間鍛造方法

Info

Publication number
JPS61242740A
JPS61242740A JP8312185A JP8312185A JPS61242740A JP S61242740 A JPS61242740 A JP S61242740A JP 8312185 A JP8312185 A JP 8312185A JP 8312185 A JP8312185 A JP 8312185A JP S61242740 A JPS61242740 A JP S61242740A
Authority
JP
Japan
Prior art keywords
bolt
split pin
pin hole
cold forging
tip
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
JP8312185A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0523855B2 (enrdf_load_stackoverflow
Inventor
Tetsushi Ishizuka
石塚　哲志
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.)
RIZUMU JIDOSHA BUHIN SEIZO KK
Rhythm Motor Parts Manufacturing Co Ltd
Original Assignee
RIZUMU JIDOSHA BUHIN SEIZO KK
Rhythm Motor Parts Manufacturing 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 RIZUMU JIDOSHA BUHIN SEIZO KK, Rhythm Motor Parts Manufacturing Co Ltd filed Critical RIZUMU JIDOSHA BUHIN SEIZO KK
Priority to JP8312185A priority Critical patent/JPS61242740A/ja
Publication of JPS61242740A publication Critical patent/JPS61242740A/ja
Publication of JPH0523855B2 publication Critical patent/JPH0523855B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Forging (AREA)
JP8312185A 1985-04-18 1985-04-18 ボルト類の割りピン穴冷間鍛造方法 Granted JPS61242740A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8312185A JPS61242740A (ja) 1985-04-18 1985-04-18 ボルト類の割りピン穴冷間鍛造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8312185A JPS61242740A (ja) 1985-04-18 1985-04-18 ボルト類の割りピン穴冷間鍛造方法

Publications (2)

Publication Number Publication Date
JPS61242740A true JPS61242740A (ja) 1986-10-29
JPH0523855B2 JPH0523855B2 (enrdf_load_stackoverflow) 1993-04-06

Family

ID=13793372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8312185A Granted JPS61242740A (ja) 1985-04-18 1985-04-18 ボルト類の割りピン穴冷間鍛造方法

Country Status (1)

Country Link
JP (1) JPS61242740A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0523855B2 (enrdf_load_stackoverflow) 1993-04-06

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