FR2258231A2 - - Google Patents
Info
- Publication number
- FR2258231A2 FR2258231A2 FR7501803A FR7501803A FR2258231A2 FR 2258231 A2 FR2258231 A2 FR 2258231A2 FR 7501803 A FR7501803 A FR 7501803A FR 7501803 A FR7501803 A FR 7501803A FR 2258231 A2 FR2258231 A2 FR 2258231A2
- 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.)
- Pending
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
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
- B21D5/086—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers for obtaining closed hollow profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Manufacturing Of Electric Cables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH81074A CH574283A5 (en) | 1974-01-22 | 1974-01-22 | Continuous hollow bar production process - pivots strip zones in opposite directions around guide line |
| CH202674A CH577350A5 (en) | 1974-02-13 | 1974-02-13 | Continuous hollow bar production process - pivots strip zones in opposite directions around guide line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2258231A2 true FR2258231A2 (fr) | 1975-08-18 |
Family
ID=25685753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7501803A Pending FR2258231A2 (fr) | 1974-01-22 | 1975-01-21 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4010628A (fr) |
| JP (1) | JPS50117666A (fr) |
| CA (1) | CA1032024A (fr) |
| DD (1) | DD120131A6 (fr) |
| DE (2) | DE2502285A1 (fr) |
| ES (1) | ES433996A2 (fr) |
| FR (1) | FR2258231A2 (fr) |
| GB (1) | GB1498971A (fr) |
| IT (1) | IT1046376B (fr) |
| NL (2) | NL7500741A (fr) |
| PL (1) | PL93376B1 (fr) |
| SE (1) | SE7500622L (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716717B2 (ja) * | 1989-07-27 | 1995-03-01 | 株式会社アミノ | 薄板の成形方法及び装置 |
| DE102011118784A1 (de) * | 2011-11-10 | 2013-05-16 | BU + ENGINEERING GmbH | Walzprofilierbiegeverfahren zur Fertigung geometrievariabler Profilbauteile |
| CN109351822B (zh) * | 2018-10-18 | 2020-04-24 | 武汉钢铁江北集团冷弯型钢有限公司 | Z形冷弯型钢的滚弯成型方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3638465A (en) * | 1969-03-10 | 1972-02-01 | Flangeklamp Corp | Method of forming a structural element |
| BE755358A (fr) * | 1969-08-28 | 1971-02-01 | Rapena Patent & Verwaltungs Ag | |
| BE794217A (fr) * | 1972-01-19 | 1973-05-16 | Rapena Patent & Verwaltungs Ag | Procede de fabrication de barres profilees et corps assembles a partir de celles-ci |
| US3877275A (en) * | 1973-08-22 | 1975-04-15 | Unistrut Corp | Cold roll reduction and forming method |
-
1975
- 1975-01-17 US US05/542,020 patent/US4010628A/en not_active Expired - Lifetime
- 1975-01-20 DD DD183710A patent/DD120131A6/xx unknown
- 1975-01-20 PL PL1975177664A patent/PL93376B1/pl unknown
- 1975-01-21 JP JP50008401A patent/JPS50117666A/ja active Pending
- 1975-01-21 DE DE19752502285 patent/DE2502285A1/de active Pending
- 1975-01-21 GB GB2597/75A patent/GB1498971A/en not_active Expired
- 1975-01-21 ES ES433996A patent/ES433996A2/es not_active Expired
- 1975-01-21 IT IT19463/75A patent/IT1046376B/it active
- 1975-01-21 CA CA218,391A patent/CA1032024A/fr not_active Expired
- 1975-01-21 FR FR7501803A patent/FR2258231A2/fr active Pending
- 1975-01-21 DE DE19752502286 patent/DE2502286A1/de active Pending
- 1975-01-21 SE SE7500622A patent/SE7500622L/xx unknown
- 1975-01-22 NL NL7500741A patent/NL7500741A/xx unknown
- 1975-01-22 NL NL7500740A patent/NL7500740A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50117666A (fr) | 1975-09-13 |
| SE7500622L (fr) | 1975-07-23 |
| GB1498971A (en) | 1978-01-25 |
| DD120131A6 (fr) | 1976-06-05 |
| NL7500740A (nl) | 1975-07-24 |
| IT1046376B (it) | 1980-06-30 |
| DE2502285A1 (de) | 1975-08-28 |
| DE2502286A1 (de) | 1975-07-24 |
| US4010628A (en) | 1977-03-08 |
| ES433996A2 (es) | 1978-01-16 |
| NL7500741A (nl) | 1975-07-24 |
| CA1032024A (fr) | 1978-05-30 |
| PL93376B1 (fr) | 1977-05-30 |