JPS6335343B2 - - Google Patents

Info

Publication number
JPS6335343B2
JPS6335343B2 JP8727284A JP8727284A JPS6335343B2 JP S6335343 B2 JPS6335343 B2 JP S6335343B2 JP 8727284 A JP8727284 A JP 8727284A JP 8727284 A JP8727284 A JP 8727284A JP S6335343 B2 JPS6335343 B2 JP S6335343B2
Authority
JP
Japan
Prior art keywords
punch
hole
pin
hollow
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.)
Expired
Application number
JP8727284A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60231549A (ja
Inventor
Susumu Naito
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.)
Nittoseiko Co Ltd
Original Assignee
Nittoseiko 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 Nittoseiko Co Ltd filed Critical Nittoseiko Co Ltd
Priority to JP8727284A priority Critical patent/JPS60231549A/ja
Publication of JPS60231549A publication Critical patent/JPS60231549A/ja
Publication of JPS6335343B2 publication Critical patent/JPS6335343B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/58—Making machine elements rivets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP8727284A 1984-04-28 1984-04-28 中空部品の製造方法 Granted JPS60231549A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8727284A JPS60231549A (ja) 1984-04-28 1984-04-28 中空部品の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8727284A JPS60231549A (ja) 1984-04-28 1984-04-28 中空部品の製造方法

Publications (2)

Publication Number Publication Date
JPS60231549A JPS60231549A (ja) 1985-11-18
JPS6335343B2 true JPS6335343B2 (enrdf_load_stackoverflow) 1988-07-14

Family

ID=13910126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8727284A Granted JPS60231549A (ja) 1984-04-28 1984-04-28 中空部品の製造方法

Country Status (1)

Country Link
JP (1) JPS60231549A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60231549A (ja) 1985-11-18

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