JPH0459969B2 - - Google Patents

Info

Publication number
JPH0459969B2
JPH0459969B2 JP21704987A JP21704987A JPH0459969B2 JP H0459969 B2 JPH0459969 B2 JP H0459969B2 JP 21704987 A JP21704987 A JP 21704987A JP 21704987 A JP21704987 A JP 21704987A JP H0459969 B2 JPH0459969 B2 JP H0459969B2
Authority
JP
Japan
Prior art keywords
mandrel
punching
tube
die
present
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
JP21704987A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6462211A (en
Inventor
Yutaka Nagase
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 Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP21704987A priority Critical patent/JPS6462211A/ja
Publication of JPS6462211A publication Critical patent/JPS6462211A/ja
Publication of JPH0459969B2 publication Critical patent/JPH0459969B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Metal Extraction Processes (AREA)
JP21704987A 1987-08-31 1987-08-31 Tube making by ironing Granted JPS6462211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21704987A JPS6462211A (en) 1987-08-31 1987-08-31 Tube making by ironing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21704987A JPS6462211A (en) 1987-08-31 1987-08-31 Tube making by ironing

Publications (2)

Publication Number Publication Date
JPS6462211A JPS6462211A (en) 1989-03-08
JPH0459969B2 true JPH0459969B2 (en, 2012) 1992-09-24

Family

ID=16698029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21704987A Granted JPS6462211A (en) 1987-08-31 1987-08-31 Tube making by ironing

Country Status (1)

Country Link
JP (1) JPS6462211A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107159726A (zh) * 2016-03-07 2017-09-15 西安九洲生物材料有限公司 一种金属微管的生产方法

Also Published As

Publication number Publication date
JPS6462211A (en) 1989-03-08

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