JPS53114767A - Two step drawing method for long pipe - Google Patents

Two step drawing method for long pipe

Info

Publication number
JPS53114767A
JPS53114767A JP3017377A JP3017377A JPS53114767A JP S53114767 A JPS53114767 A JP S53114767A JP 3017377 A JP3017377 A JP 3017377A JP 3017377 A JP3017377 A JP 3017377A JP S53114767 A JPS53114767 A JP S53114767A
Authority
JP
Japan
Prior art keywords
long pipe
drawing method
step drawing
pipe
workability
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
JP3017377A
Other languages
Japanese (ja)
Inventor
Kosaku Murata
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 JP3017377A priority Critical patent/JPS53114767A/en
Publication of JPS53114767A publication Critical patent/JPS53114767A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the formation of shoulder portion in the drawn pipe and to greatly improve the workability in the manufacture of the long pipe depending on the two step drawing method, by changing the position of only the pull-holder after the first drawing, and then, by drawing the remained drawing length.
COPYRIGHT: (C)1978,JPO&Japio
JP3017377A 1977-03-17 1977-03-17 Two step drawing method for long pipe Pending JPS53114767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3017377A JPS53114767A (en) 1977-03-17 1977-03-17 Two step drawing method for long pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3017377A JPS53114767A (en) 1977-03-17 1977-03-17 Two step drawing method for long pipe

Publications (1)

Publication Number Publication Date
JPS53114767A true JPS53114767A (en) 1978-10-06

Family

ID=12296349

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3017377A Pending JPS53114767A (en) 1977-03-17 1977-03-17 Two step drawing method for long pipe

Country Status (1)

Country Link
JP (1) JPS53114767A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108500087A (en) * 2018-03-25 2018-09-07 阳云飞 A kind of round steel pipe cold-drawn prosthetic device and restorative procedure
CN108515096A (en) * 2018-03-25 2018-09-11 阳云飞 A kind of round steel pipe cold-drawn tooling
CN108515094A (en) * 2018-03-25 2018-09-11 阳云飞 A kind of square steel tube cold-drawn prosthetic device and restorative procedure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108500087A (en) * 2018-03-25 2018-09-07 阳云飞 A kind of round steel pipe cold-drawn prosthetic device and restorative procedure
CN108515096A (en) * 2018-03-25 2018-09-11 阳云飞 A kind of round steel pipe cold-drawn tooling
CN108515094A (en) * 2018-03-25 2018-09-11 阳云飞 A kind of square steel tube cold-drawn prosthetic device and restorative procedure

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