FR2134327B3 - - Google Patents
Info
- Publication number
- FR2134327B3 FR2134327B3 FR7129713A FR7129713A FR2134327B3 FR 2134327 B3 FR2134327 B3 FR 2134327B3 FR 7129713 A FR7129713 A FR 7129713A FR 7129713 A FR7129713 A FR 7129713A FR 2134327 B3 FR2134327 B3 FR 2134327B3
- 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
- B21C37/12—Making tubes or metal hoses with helically arranged seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712120819 DE2120819A1 (de) | 1971-04-28 | 1971-04-28 | Biegemaschine zur Herstellung von zylindrischen Behältern, insbesondere Schraubennahtrohren verschiedener Durchmesser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2134327A3 FR2134327A3 (en:Method) | 1972-12-08 |
| FR2134327B3 true FR2134327B3 (en:Method) | 1973-11-30 |
Family
ID=5806205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7129713A Expired FR2134327B3 (en:Method) | 1971-04-28 | 1971-08-13 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2120819A1 (en:Method) |
| FR (1) | FR2134327B3 (en:Method) |
-
1971
- 1971-04-28 DE DE19712120819 patent/DE2120819A1/de active Pending
- 1971-08-13 FR FR7129713A patent/FR2134327B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2120819A1 (de) | 1972-11-09 |
| FR2134327A3 (en:Method) | 1972-12-08 |