FR1214431A - Guides d'ondes et leur procédé de cintrage - Google Patents
Guides d'ondes et leur procédé de cintrageInfo
- Publication number
- FR1214431A FR1214431A FR1214431DA FR1214431A FR 1214431 A FR1214431 A FR 1214431A FR 1214431D A FR1214431D A FR 1214431DA FR 1214431 A FR1214431 A FR 1214431A
- Authority
- FR
- France
- Prior art keywords
- waveguides
- bending process
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/001—Manufacturing waveguides or transmission lines of the waveguide type
- H01P11/002—Manufacturing hollow waveguides
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB37542/57A GB845241A (en) | 1957-12-02 | 1957-12-02 | Improvements in or relating to waveguides and methods of bending waveguides |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1214431A true FR1214431A (fr) | 1960-04-08 |
Family
ID=10397245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1214431D Expired FR1214431A (fr) | 1957-12-02 | 1958-12-02 | Guides d'ondes et leur procédé de cintrage |
Country Status (3)
Country | Link |
---|---|
US (1) | US3016081A (fr) |
FR (1) | FR1214431A (fr) |
GB (1) | GB845241A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2189137A1 (fr) * | 1972-06-21 | 1974-01-25 | Benichou Marcel | |
FR2200065A1 (fr) * | 1972-09-18 | 1974-04-19 | Camar Sa | |
FR2338782A1 (fr) * | 1976-01-20 | 1977-08-19 | Hoechst Ag | Procede et dispositif pour la realisation de coudes de tuyaux en matiere thermoplastique. |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3672202A (en) * | 1970-09-15 | 1972-06-27 | Microwave Dev Lab Inc | Method of making waveguide bend |
FR2394185A1 (fr) * | 1977-06-10 | 1979-01-05 | Cables De Lyon Geoffroy Delore | Guide d'ondes circulaire |
GB2148758B (en) * | 1983-11-02 | 1987-04-29 | Norcros Investments Ltd | Bending mandrel |
US5586463A (en) * | 1995-08-17 | 1996-12-24 | Sheen; Reen-Yuan | Pipe bending device |
US10442659B2 (en) | 2015-06-29 | 2019-10-15 | Otis Elevator Company | Electromagnetic brake system for elevator application |
CN106541005A (zh) * | 2016-10-13 | 2017-03-29 | 中车长春轨道客车股份有限公司 | 用于中空铝型材压弯工艺的型腔填充装置及其使用方法 |
CN108906938B (zh) * | 2018-06-15 | 2020-08-14 | 莱诺斯科技(北京)股份有限公司 | 一种镁锂合金波导管冷弯曲成型方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1324940A (en) * | 1919-12-16 | theberath | ||
US174608A (en) * | 1876-03-07 | Improvement in apparatus for bending pipes or tubes | ||
US1370075A (en) * | 1919-05-05 | 1921-03-01 | Harriman Nat Bank Of The City | Tube-bending apparatus |
US1654697A (en) * | 1925-10-17 | 1928-01-03 | Adolph Mueller | Pipe-bending mandrel |
US2117724A (en) * | 1936-02-15 | 1938-05-17 | Kirsch Co | Apparatus for bending metal tubes and like hollow bodies |
US2390274A (en) * | 1942-07-25 | 1945-12-04 | Bardwell & Mcalister | Pinch type bending roll method and means |
US2672224A (en) * | 1948-12-08 | 1954-03-16 | Horwitz Leo | Luggage and method of making same |
US2882951A (en) * | 1954-02-26 | 1959-04-21 | Western Electric Co | Mandrels for making seamless bends in rectangular tubing |
US2825386A (en) * | 1954-11-17 | 1958-03-04 | Western Electric Co | Universal bending mandrel utilizing connecting cable |
-
1957
- 1957-12-02 GB GB37542/57A patent/GB845241A/en not_active Expired
-
1958
- 1958-11-28 US US776853A patent/US3016081A/en not_active Expired - Lifetime
- 1958-12-02 FR FR1214431D patent/FR1214431A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2189137A1 (fr) * | 1972-06-21 | 1974-01-25 | Benichou Marcel | |
FR2200065A1 (fr) * | 1972-09-18 | 1974-04-19 | Camar Sa | |
FR2338782A1 (fr) * | 1976-01-20 | 1977-08-19 | Hoechst Ag | Procede et dispositif pour la realisation de coudes de tuyaux en matiere thermoplastique. |
Also Published As
Publication number | Publication date |
---|---|
GB845241A (en) | 1960-08-17 |
US3016081A (en) | 1962-01-09 |
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