JPS6160724B2 - - Google Patents

Info

Publication number
JPS6160724B2
JPS6160724B2 JP2689079A JP2689079A JPS6160724B2 JP S6160724 B2 JPS6160724 B2 JP S6160724B2 JP 2689079 A JP2689079 A JP 2689079A JP 2689079 A JP2689079 A JP 2689079A JP S6160724 B2 JPS6160724 B2 JP S6160724B2
Authority
JP
Japan
Prior art keywords
die
billet
convex
opening
protrusions
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
JP2689079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55120414A (en
Inventor
Eiji Sugio
Masahito Nakamura
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 JP2689079A priority Critical patent/JPS55120414A/ja
Publication of JPS55120414A publication Critical patent/JPS55120414A/ja
Publication of JPS6160724B2 publication Critical patent/JPS6160724B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Of Metal (AREA)
JP2689079A 1979-03-07 1979-03-07 Forming die for extruded shape possessing tall fin Granted JPS55120414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2689079A JPS55120414A (en) 1979-03-07 1979-03-07 Forming die for extruded shape possessing tall fin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2689079A JPS55120414A (en) 1979-03-07 1979-03-07 Forming die for extruded shape possessing tall fin

Publications (2)

Publication Number Publication Date
JPS55120414A JPS55120414A (en) 1980-09-16
JPS6160724B2 true JPS6160724B2 (enExample) 1986-12-22

Family

ID=12205839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2689079A Granted JPS55120414A (en) 1979-03-07 1979-03-07 Forming die for extruded shape possessing tall fin

Country Status (1)

Country Link
JP (1) JPS55120414A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW436341B (en) * 1998-09-07 2001-05-28 Hoi Metal Manufactory Co Ltd Mold for aluminum alloy heat sink with extra high teeth ratio
US20080089382A1 (en) * 2006-10-16 2008-04-17 Eigler Lynne C Planar beam dump
CN105363819B (zh) * 2015-12-08 2017-09-19 广西南南铝加工有限公司 一种4g基站铝合金散热器型材挤压模具

Also Published As

Publication number Publication date
JPS55120414A (en) 1980-09-16

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