FR2369026B1 - - Google Patents
Info
- Publication number
- FR2369026B1 FR2369026B1 FR7632703A FR7632703A FR2369026B1 FR 2369026 B1 FR2369026 B1 FR 2369026B1 FR 7632703 A FR7632703 A FR 7632703A FR 7632703 A FR7632703 A FR 7632703A FR 2369026 B1 FR2369026 B1 FR 2369026B1
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
- B21C37/151—Making tubes with multiple passages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Forging (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7632703A FR2369026A1 (fr) | 1976-10-29 | 1976-10-29 | Procede de fabrication de pieces tubulaires comportant deux parois coaxiales separees par un intervalle |
| GB4350977A GB1559451A (en) | 1976-10-29 | 1977-10-19 | Method of manufacturingtubular pieces comprising two coaxial walls separated by a gap |
| IT5152077A IT1091320B (it) | 1976-10-29 | 1977-10-21 | Procedimento per la fabbricazione di oggetti tubolari comprendenti due pareti coassiali distanziate fra loro |
| NL7711684A NL7711684A (nl) | 1976-10-29 | 1977-10-25 | Werkwijze voor de vervaardiging van buisvormige delen met twee coaxiaal op afstand van elkaar liggende wanden en buisvormige delen vervaar- digd volgens de werkwijze. |
| BE182025A BE860073A (fr) | 1976-10-29 | 1977-10-25 | Procede de fabrication de pieces tubulaires comportant deux parois coaxiales separees par un intervalle |
| DE19772747788 DE2747788A1 (de) | 1976-10-29 | 1977-10-25 | Verfahren zur herstellung von rohrkoerpern |
| LU78399A LU78399A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-10-29 | 1977-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7632703A FR2369026A1 (fr) | 1976-10-29 | 1976-10-29 | Procede de fabrication de pieces tubulaires comportant deux parois coaxiales separees par un intervalle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2369026A1 FR2369026A1 (fr) | 1978-05-26 |
| FR2369026B1 true FR2369026B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-12-17 |
Family
ID=9179376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7632703A Granted FR2369026A1 (fr) | 1976-10-29 | 1976-10-29 | Procede de fabrication de pieces tubulaires comportant deux parois coaxiales separees par un intervalle |
Country Status (7)
-
1976
- 1976-10-29 FR FR7632703A patent/FR2369026A1/fr active Granted
-
1977
- 1977-10-19 GB GB4350977A patent/GB1559451A/en not_active Expired
- 1977-10-21 IT IT5152077A patent/IT1091320B/it active
- 1977-10-25 BE BE182025A patent/BE860073A/xx unknown
- 1977-10-25 NL NL7711684A patent/NL7711684A/xx not_active Application Discontinuation
- 1977-10-25 DE DE19772747788 patent/DE2747788A1/de active Pending
- 1977-10-27 LU LU78399A patent/LU78399A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE860073A (fr) | 1978-02-15 |
| GB1559451A (en) | 1980-01-16 |
| FR2369026A1 (fr) | 1978-05-26 |
| NL7711684A (nl) | 1978-05-03 |
| LU78399A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-01-26 |
| DE2747788A1 (de) | 1978-05-03 |
| IT1091320B (it) | 1985-07-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |