FR2153644A5 - - Google Patents
Info
- Publication number
- FR2153644A5 FR2153644A5 FR7133624A FR7133624A FR2153644A5 FR 2153644 A5 FR2153644 A5 FR 2153644A5 FR 7133624 A FR7133624 A FR 7133624A FR 7133624 A FR7133624 A FR 7133624A FR 2153644 A5 FR2153644 A5 FR 2153644A5
- 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
- B21C37/154—Making multi-wall tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7133624A FR2153644A5 (ref) | 1971-09-17 | 1971-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7133624A FR2153644A5 (ref) | 1971-09-17 | 1971-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2153644A5 true FR2153644A5 (ref) | 1973-05-04 |
Family
ID=9083146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7133624A Expired FR2153644A5 (ref) | 1971-09-17 | 1971-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2153644A5 (ref) |
-
1971
- 1971-09-17 FR FR7133624A patent/FR2153644A5/fr not_active Expired
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |