FR2304417B3 - - Google Patents
Info
- Publication number
- FR2304417B3 FR2304417B3 FR7607638A FR7607638A FR2304417B3 FR 2304417 B3 FR2304417 B3 FR 2304417B3 FR 7607638 A FR7607638 A FR 7607638A FR 7607638 A FR7607638 A FR 7607638A FR 2304417 B3 FR2304417 B3 FR 2304417B3
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752511649 DE2511649C3 (en) | 1975-03-18 | 1975-03-18 | Round bending machine for the production of a truncated cone from sheet metal in the shape of a circular ring segment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2304417A1 FR2304417A1 (en) | 1976-10-15 |
| FR2304417B3 true FR2304417B3 (en) | 1978-12-08 |
Family
ID=5941610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7607638A Granted FR2304417A1 (en) | 1975-03-18 | 1976-03-17 | Truncated cones made from metal sheet - where each driving roll uses pair of planetary gears to drive adjacent roll |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH600961A5 (en) |
| DE (1) | DE2511649C3 (en) |
| FR (1) | FR2304417A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3725020C2 (en) * | 1986-07-30 | 1996-05-23 | Wilhelm Durst Maschbau | Round bending machine for the production of conical pipe sections from sheet metal |
| CN101596678B (en) * | 2009-06-15 | 2011-03-16 | 江苏沪宁钢机股份有限公司 | Method for processing oval steel member |
| CN102248039A (en) * | 2011-06-24 | 2011-11-23 | 无锡洲翔重工科技有限公司 | Cone-shaped cylinder barrel rolling device |
| CN106040793B (en) * | 2016-06-08 | 2018-08-17 | 广东鸿业机械有限公司 | Round as a ball process equipment and rounding process |
-
1975
- 1975-03-18 DE DE19752511649 patent/DE2511649C3/en not_active Expired
-
1976
- 1976-03-15 CH CH321576A patent/CH600961A5/xx not_active IP Right Cessation
- 1976-03-17 FR FR7607638A patent/FR2304417A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2304417A1 (en) | 1976-10-15 |
| DE2511649B2 (en) | 1978-02-23 |
| DE2511649A1 (en) | 1976-09-30 |
| DE2511649C3 (en) | 1978-10-19 |
| CH600961A5 (en) | 1978-06-30 |