JPS57154336A - Production for double-ply pipe - Google Patents
Production for double-ply pipeInfo
- Publication number
- JPS57154336A JPS57154336A JP3868581A JP3868581A JPS57154336A JP S57154336 A JPS57154336 A JP S57154336A JP 3868581 A JP3868581 A JP 3868581A JP 3868581 A JP3868581 A JP 3868581A JP S57154336 A JPS57154336 A JP S57154336A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- outside
- inside pipe
- rings
- pipes
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/08—Tube expanders
- B21D39/20—Tube expanders with mandrels, e.g. expandable
- B21D39/203—Tube expanders with mandrels, e.g. expandable expandable by fluid or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3868581A JPS57154336A (en) | 1981-03-19 | 1981-03-19 | Production for double-ply pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3868581A JPS57154336A (en) | 1981-03-19 | 1981-03-19 | Production for double-ply pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57154336A true JPS57154336A (en) | 1982-09-24 |
JPS6154489B2 JPS6154489B2 (zh) | 1986-11-22 |
Family
ID=12532140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3868581A Granted JPS57154336A (en) | 1981-03-19 | 1981-03-19 | Production for double-ply pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57154336A (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009109926A1 (en) * | 2008-03-05 | 2009-09-11 | Be.Ca. Engineering Societa' Cooperativa | Method and device for manufacturing bimetallic pipes |
ITPI20090045A1 (it) * | 2009-04-24 | 2010-10-25 | Pantani Divisione Tubi Srl | Macchina e metodo per la realizzazione di tubi a doppia resistenza alla corrosione |
CN103358083A (zh) * | 2012-04-09 | 2013-10-23 | 南通海利源船舶设备工程有限公司 | 锅炉管用液压胀管工装 |
JP2014228235A (ja) * | 2013-05-24 | 2014-12-08 | ホシザキ電機株式会社 | 熱交換器、該熱交換器を凝縮器または蒸発器に用いた冷凍装置 |
-
1981
- 1981-03-19 JP JP3868581A patent/JPS57154336A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009109926A1 (en) * | 2008-03-05 | 2009-09-11 | Be.Ca. Engineering Societa' Cooperativa | Method and device for manufacturing bimetallic pipes |
US8220302B2 (en) | 2008-03-05 | 2012-07-17 | Be. Tube S.R.L. | Method and device for manufacturing bimetallic pipes |
US8365572B2 (en) | 2008-03-05 | 2013-02-05 | Be. Tube S.R.L. | Method and device for manufacturing bimetallic pipes |
ITPI20090045A1 (it) * | 2009-04-24 | 2010-10-25 | Pantani Divisione Tubi Srl | Macchina e metodo per la realizzazione di tubi a doppia resistenza alla corrosione |
CN103358083A (zh) * | 2012-04-09 | 2013-10-23 | 南通海利源船舶设备工程有限公司 | 锅炉管用液压胀管工装 |
JP2014228235A (ja) * | 2013-05-24 | 2014-12-08 | ホシザキ電機株式会社 | 熱交換器、該熱交換器を凝縮器または蒸発器に用いた冷凍装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6154489B2 (zh) | 1986-11-22 |
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