JPS56148419A - Patterning method for extruded cylindrical material made of aluminum - Google Patents

Patterning method for extruded cylindrical material made of aluminum

Info

Publication number
JPS56148419A
JPS56148419A JP5131080A JP5131080A JPS56148419A JP S56148419 A JPS56148419 A JP S56148419A JP 5131080 A JP5131080 A JP 5131080A JP 5131080 A JP5131080 A JP 5131080A JP S56148419 A JPS56148419 A JP S56148419A
Authority
JP
Japan
Prior art keywords
cylindrical material
die
dies
lower internal
uneven pattern
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.)
Pending
Application number
JP5131080A
Other languages
English (en)
Inventor
Kishikazu Furukawa
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.)
Nippon Koki Co Ltd
Original Assignee
Nippon Koki 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 Nippon Koki Co Ltd filed Critical Nippon Koki Co Ltd
Priority to JP5131080A priority Critical patent/JPS56148419A/ja
Publication of JPS56148419A publication Critical patent/JPS56148419A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
JP5131080A 1980-04-17 1980-04-17 Patterning method for extruded cylindrical material made of aluminum Pending JPS56148419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5131080A JPS56148419A (en) 1980-04-17 1980-04-17 Patterning method for extruded cylindrical material made of aluminum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5131080A JPS56148419A (en) 1980-04-17 1980-04-17 Patterning method for extruded cylindrical material made of aluminum

Publications (1)

Publication Number Publication Date
JPS56148419A true JPS56148419A (en) 1981-11-17

Family

ID=12883337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5131080A Pending JPS56148419A (en) 1980-04-17 1980-04-17 Patterning method for extruded cylindrical material made of aluminum

Country Status (1)

Country Link
JP (1) JPS56148419A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010094725A (ja) * 2008-10-20 2010-04-30 Shoda Seisakusho:Kk 穴打抜き金型
JP5860944B1 (ja) * 2014-10-15 2016-02-16 株式会社山口安製作所 手摺りとその製造法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010094725A (ja) * 2008-10-20 2010-04-30 Shoda Seisakusho:Kk 穴打抜き金型
JP5860944B1 (ja) * 2014-10-15 2016-02-16 株式会社山口安製作所 手摺りとその製造法

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