FR2132114B2 - - Google Patents
Info
- Publication number
- FR2132114B2 FR2132114B2 FR7210788A FR7210788A FR2132114B2 FR 2132114 B2 FR2132114 B2 FR 2132114B2 FR 7210788 A FR7210788 A FR 7210788A FR 7210788 A FR7210788 A FR 7210788A FR 2132114 B2 FR2132114 B2 FR 2132114B2
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
- B21D15/06—Corrugating tubes transversely, e.g. helically annularly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Jigs For Machine Tools (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Gears, Cams (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712116757 DE2116757B2 (de) | 1971-04-06 | 1971-04-06 | Vorrichtung zum wellen der wandung von rohren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2132114A2 FR2132114A2 (enExample) | 1972-11-17 |
| FR2132114B2 true FR2132114B2 (enExample) | 1977-12-23 |
Family
ID=5804023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7210788A Expired FR2132114B2 (enExample) | 1971-04-06 | 1972-03-28 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2116757B2 (enExample) |
| FR (1) | FR2132114B2 (enExample) |
| GB (1) | GB1329780A (enExample) |
-
1971
- 1971-04-06 DE DE19712116757 patent/DE2116757B2/de not_active Withdrawn
- 1971-12-22 GB GB5971671A patent/GB1329780A/en not_active Expired
-
1972
- 1972-03-28 FR FR7210788A patent/FR2132114B2/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2116757B2 (de) | 1972-05-25 |
| FR2132114A2 (enExample) | 1972-11-17 |
| DE2116757A1 (enExample) | 1972-05-25 |
| GB1329780A (en) | 1973-09-12 |