JPH0417726B2 - - Google Patents

Info

Publication number
JPH0417726B2
JPH0417726B2 JP63057746A JP5774688A JPH0417726B2 JP H0417726 B2 JPH0417726 B2 JP H0417726B2 JP 63057746 A JP63057746 A JP 63057746A JP 5774688 A JP5774688 A JP 5774688A JP H0417726 B2 JPH0417726 B2 JP H0417726B2
Authority
JP
Japan
Prior art keywords
mandrel bar
base body
wear resistance
speed steel
aluminum
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
JP63057746A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01233010A (ja
Inventor
Masami Sudo
Kunio Ookubo
Noboru Ooneda
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.)
Altemira Co Ltd
Original Assignee
Showa Aluminum Corp
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 Showa Aluminum Corp filed Critical Showa Aluminum Corp
Priority to JP5774688A priority Critical patent/JPH01233010A/ja
Publication of JPH01233010A publication Critical patent/JPH01233010A/ja
Publication of JPH0417726B2 publication Critical patent/JPH0417726B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Extrusion Of Metal (AREA)
JP5774688A 1988-03-10 1988-03-10 耐摩耗性に優れたアルミニウム押出用マンドレルバー Granted JPH01233010A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5774688A JPH01233010A (ja) 1988-03-10 1988-03-10 耐摩耗性に優れたアルミニウム押出用マンドレルバー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5774688A JPH01233010A (ja) 1988-03-10 1988-03-10 耐摩耗性に優れたアルミニウム押出用マンドレルバー

Publications (2)

Publication Number Publication Date
JPH01233010A JPH01233010A (ja) 1989-09-18
JPH0417726B2 true JPH0417726B2 (enrdf_load_html_response) 1992-03-26

Family

ID=13064465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5774688A Granted JPH01233010A (ja) 1988-03-10 1988-03-10 耐摩耗性に優れたアルミニウム押出用マンドレルバー

Country Status (1)

Country Link
JP (1) JPH01233010A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4646498B2 (ja) * 2003-03-12 2011-03-09 パンチ工業株式会社 プレス金型用パンチおよびその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138430U (enrdf_load_html_response) * 1979-03-26 1980-10-02
JPS56105831A (en) * 1980-12-27 1981-08-22 Inoue Japax Res Inc Manufacture of punch for use of press work

Also Published As

Publication number Publication date
JPH01233010A (ja) 1989-09-18

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