FR2189137A1 - - Google Patents
Info
- Publication number
- FR2189137A1 FR2189137A1 FR7222355A FR7222355A FR2189137A1 FR 2189137 A1 FR2189137 A1 FR 2189137A1 FR 7222355 A FR7222355 A FR 7222355A FR 7222355 A FR7222355 A FR 7222355A FR 2189137 A1 FR2189137 A1 FR 2189137A1
- Authority
- FR
- France
- 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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
- B21D9/03—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length and built-up from loose elements, e.g. series of balls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7222355A FR2189137B1 (US06312121-20011106-C00033.png) | 1972-06-21 | 1972-06-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7222355A FR2189137B1 (US06312121-20011106-C00033.png) | 1972-06-21 | 1972-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2189137A1 true FR2189137A1 (US06312121-20011106-C00033.png) | 1974-01-25 |
FR2189137B1 FR2189137B1 (US06312121-20011106-C00033.png) | 1974-12-27 |
Family
ID=9100551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7222355A Expired FR2189137B1 (US06312121-20011106-C00033.png) | 1972-06-21 | 1972-06-21 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2189137B1 (US06312121-20011106-C00033.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4024936A1 (de) * | 1990-08-06 | 1992-02-13 | Eugen Heim | Verfahren und vorrichtung zum biegen von doppelwandrohren |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1654697A (en) * | 1925-10-17 | 1928-01-03 | Adolph Mueller | Pipe-bending mandrel |
GB470426A (en) * | 1936-02-15 | 1937-08-16 | Leif Kielland | Improvements in or relating to bending metal tubes and like hollow bodies |
FR1214431A (fr) * | 1957-12-02 | 1960-04-08 | Gen Electric Co Ltd | Guides d'ondes et leur procédé de cintrage |
FR1304945A (fr) * | 1961-11-03 | 1962-09-28 | Procédé de courbage des tubes en matière thermoplastique |
-
1972
- 1972-06-21 FR FR7222355A patent/FR2189137B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1654697A (en) * | 1925-10-17 | 1928-01-03 | Adolph Mueller | Pipe-bending mandrel |
GB470426A (en) * | 1936-02-15 | 1937-08-16 | Leif Kielland | Improvements in or relating to bending metal tubes and like hollow bodies |
FR1214431A (fr) * | 1957-12-02 | 1960-04-08 | Gen Electric Co Ltd | Guides d'ondes et leur procédé de cintrage |
FR1304945A (fr) * | 1961-11-03 | 1962-09-28 | Procédé de courbage des tubes en matière thermoplastique |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4024936A1 (de) * | 1990-08-06 | 1992-02-13 | Eugen Heim | Verfahren und vorrichtung zum biegen von doppelwandrohren |
Also Published As
Publication number | Publication date |
---|---|
FR2189137B1 (US06312121-20011106-C00033.png) | 1974-12-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |