JPS53114767A - Two step drawing method for long pipe - Google Patents
Two step drawing method for long pipeInfo
- 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
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
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)
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 |
-
1977
- 1977-03-17 JP JP3017377A patent/JPS53114767A/en active Pending
Cited By (3)
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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