JPS55122627A - Production of branching pipe - Google Patents
Production of branching pipeInfo
- Publication number
- JPS55122627A JPS55122627A JP3065079A JP3065079A JPS55122627A JP S55122627 A JPS55122627 A JP S55122627A JP 3065079 A JP3065079 A JP 3065079A JP 3065079 A JP3065079 A JP 3065079A JP S55122627 A JPS55122627 A JP S55122627A
- Authority
- JP
- Japan
- Prior art keywords
- elliptical hole
- thickness
- pipe
- hole
- whose
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 abstract 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3065079A JPS55122627A (en) | 1979-03-16 | 1979-03-16 | Production of branching pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3065079A JPS55122627A (en) | 1979-03-16 | 1979-03-16 | Production of branching pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55122627A true JPS55122627A (en) | 1980-09-20 |
JPH0152085B2 JPH0152085B2 (ja) | 1989-11-07 |
Family
ID=12309671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3065079A Granted JPS55122627A (en) | 1979-03-16 | 1979-03-16 | Production of branching pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55122627A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6044683A (en) * | 1998-10-02 | 2000-04-04 | Shigemoto & Annett Ii, Inc. | Apparatus and method for forming joints in tubing |
US6772518B2 (en) * | 2001-01-22 | 2004-08-10 | Behr Gmbh & Co. | Method of forming flat-tube insertion slots in a header tube |
JP2008207576A (ja) * | 2007-02-23 | 2008-09-11 | Nippon Sharyo Seizo Kaisha Ltd | 鉄道車両用台車枠及びその製造方法 |
-
1979
- 1979-03-16 JP JP3065079A patent/JPS55122627A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6044683A (en) * | 1998-10-02 | 2000-04-04 | Shigemoto & Annett Ii, Inc. | Apparatus and method for forming joints in tubing |
US6772518B2 (en) * | 2001-01-22 | 2004-08-10 | Behr Gmbh & Co. | Method of forming flat-tube insertion slots in a header tube |
JP2008207576A (ja) * | 2007-02-23 | 2008-09-11 | Nippon Sharyo Seizo Kaisha Ltd | 鉄道車両用台車枠及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0152085B2 (ja) | 1989-11-07 |
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