FR2256787A1 - - Google Patents
Info
- Publication number
- FR2256787A1 FR2256787A1 FR7500523A FR7500523A FR2256787A1 FR 2256787 A1 FR2256787 A1 FR 2256787A1 FR 7500523 A FR7500523 A FR 7500523A FR 7500523 A FR7500523 A FR 7500523A FR 2256787 A1 FR2256787 A1 FR 2256787A1
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2400842A DE2400842C2 (de) | 1974-01-09 | 1974-01-09 | Verfahren und Vorrichtung zur Herstellung flexibler Metallrohre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2256787A1 true FR2256787A1 (US20020128544A1-20020912-M00002.png) | 1975-08-01 |
Family
ID=5904397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7500523A Withdrawn FR2256787A1 (US20020128544A1-20020912-M00002.png) | 1974-01-09 | 1975-01-09 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3431120C2 (de) * | 1984-08-24 | 1986-11-20 | kabelmetal electro GmbH, 3000 Hannover | Verfahren und Vorrichtung zum Wellen von Metallrohren |
| CN1048200C (zh) * | 1993-02-12 | 2000-01-12 | 电缆金属电气有限公司 | 生产薄壁金属管的设备 |
| IT1313765B1 (it) * | 1999-10-01 | 2002-09-17 | Olimpia 80 Srl | Procedimento e apparecchiatura per produzione in continuo di tubometallico corrugato a onde parallele. |
| DE10146807A1 (de) * | 2001-09-22 | 2003-04-10 | Nexans | Verfahren zur Herstellung längsnahtgeschweisster schraubenlinienförmig gewellter Metallrohre |
| EP2845664A1 (de) | 2013-09-10 | 2015-03-11 | Nexans | Verfahren und Vorrichtung zur Herstellung eines gewellten Rohres aus Metall |
| BR102015030489B1 (pt) * | 2015-12-04 | 2021-06-08 | Forcon Indústria E Comércio De Plásticos Ltda | dispositivo corrugador de tubos e processo para corrugar tubos empregando um dispositivo corrugador de tubos |
| CN113319149B (zh) * | 2021-08-03 | 2021-11-02 | 天津市大千管业有限公司 | 一种生产环形金属波纹管的一体成型设备及方法 |
| CN115331890B (zh) * | 2022-07-22 | 2023-07-11 | 深圳市锐巽自动化设备有限公司 | 一种对电子雷管进行分线和压波浪的加工装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE493930C (de) * | 1926-08-20 | 1930-03-17 | Meyer Keller & Cie O | Verfahren zur Erzeugung von Metallschlaeuchen |
| DE690138C (de) * | 1935-10-30 | 1940-04-17 | Pforzheim Metallschlauch | Werkzeug zur Herstellung von Metallschlaeuchen aus glattwandigen Rohren durch schraubengangfoermige Rillung |
| US2761490A (en) * | 1953-11-09 | 1956-09-04 | Victor G Dugal | Condensing of sheet materials |
| GB791514A (en) * | 1954-02-01 | 1958-03-05 | Gen Electric Co Ltd | Improvements in or relating to machines and methods for corrugating tubes |
| US3269005A (en) * | 1955-08-24 | 1966-08-30 | Raymond Int Inc | Method and apparatus for forming corrugated tubing |
| GB779730A (en) * | 1955-08-26 | 1957-07-24 | Barkway Engineering Company Lt | Process and apparatus for the manufacture of hollow metal bodies and hollow bodies thus produced |
-
1974
- 1974-01-09 DE DE2400842A patent/DE2400842C2/de not_active Expired
-
1975
- 1975-01-02 GB GB4775A patent/GB1452213A/en not_active Expired
- 1975-01-08 CA CA217,561A patent/CA1026628A/en not_active Expired
- 1975-01-09 US US05/539,809 patent/US3973424A/en not_active Expired - Lifetime
- 1975-01-09 FR FR7500523A patent/FR2256787A1/fr not_active Withdrawn
- 1975-01-09 JP JP50004695A patent/JPS50106852A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3973424A (en) | 1976-08-10 |
| DE2400842C2 (de) | 1982-08-19 |
| DE2400842A1 (de) | 1975-07-17 |
| CA1026628A (en) | 1978-02-21 |
| JPS50106852A (US20020128544A1-20020912-M00002.png) | 1975-08-22 |
| GB1452213A (en) | 1976-10-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |