JPS5581019A - Production of t-pipe joint - Google Patents
Production of t-pipe jointInfo
- Publication number
- JPS5581019A JPS5581019A JP15525578A JP15525578A JPS5581019A JP S5581019 A JPS5581019 A JP S5581019A JP 15525578 A JP15525578 A JP 15525578A JP 15525578 A JP15525578 A JP 15525578A JP S5581019 A JPS5581019 A JP S5581019A
- Authority
- JP
- Japan
- Prior art keywords
- metal plate
- cylindrical
- semi
- pipe part
- bending
- 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 minimize weld zone and improve workability and the accuracy of the pipe joint by bending a metal plate to half cylindrical form, die-pressing the same from the inner side to protrusion-form the branch pipe part thence bending both end edges of the metal plate to cylindrical form and butt-welding these.
CONSTITUTION: One sheet of metal plate 1 is bent to semi-cylindrical form at a bending radius more than equal to the diameter of the desired straight pipe part. The bottom central part of this semi-cylindrical metal plate 1 is die-pressed from the inner side to form a branch pipe part 2 and at the same time to form the lower half portion of the straight pipe part. Thence, both side edges 1' of the semi- cylindrical metal olate 1 are mutually bent to the inner side and are butt-walded. This T-pipe joint enables the contact friction resistance or electrical resistance of the fluid passing in the pipe to be decreased and the influence upon the fluid to be lowered.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15525578A JPS5581019A (en) | 1978-12-14 | 1978-12-14 | Production of t-pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15525578A JPS5581019A (en) | 1978-12-14 | 1978-12-14 | Production of t-pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5581019A true JPS5581019A (en) | 1980-06-18 |
Family
ID=15601915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15525578A Pending JPS5581019A (en) | 1978-12-14 | 1978-12-14 | Production of t-pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5581019A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010086610A (en) * | 2001-07-09 | 2001-09-15 | 김학렬 | Method for manufacturing fittings |
| CN101972791A (en) * | 2010-10-18 | 2011-02-16 | 宁波市华涛不锈钢管材有限公司 | Thin-wall stainless steel tee tube cold pressing molding device and molding method thereof |
| KR101016423B1 (en) | 2008-11-28 | 2011-02-21 | 김송근 | Branch steel tubes metal pipe manufacture apparatus and manufacture method of automatic system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348969A (en) * | 1976-10-15 | 1978-05-02 | Sumitomo Metal Ind | Method of manufacturing ttjoint |
-
1978
- 1978-12-14 JP JP15525578A patent/JPS5581019A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348969A (en) * | 1976-10-15 | 1978-05-02 | Sumitomo Metal Ind | Method of manufacturing ttjoint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010086610A (en) * | 2001-07-09 | 2001-09-15 | 김학렬 | Method for manufacturing fittings |
| KR101016423B1 (en) | 2008-11-28 | 2011-02-21 | 김송근 | Branch steel tubes metal pipe manufacture apparatus and manufacture method of automatic system |
| CN101972791A (en) * | 2010-10-18 | 2011-02-16 | 宁波市华涛不锈钢管材有限公司 | Thin-wall stainless steel tee tube cold pressing molding device and molding method thereof |
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