FR2137477B1 - - Google Patents
Info
- Publication number
- FR2137477B1 FR2137477B1 FR7210867A FR7210867A FR2137477B1 FR 2137477 B1 FR2137477 B1 FR 2137477B1 FR 7210867 A FR7210867 A FR 7210867A FR 7210867 A FR7210867 A FR 7210867A FR 2137477 B1 FR2137477 B1 FR 2137477B1
- 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 OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/202—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with guides parallel to the tube axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT404671A AT302774B (en) | 1971-05-11 | 1971-05-11 | Method and device for producing single-seam shaped tubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2137477A1 FR2137477A1 (en) | 1972-12-29 |
| FR2137477B1 true FR2137477B1 (en) | 1976-10-29 |
Family
ID=3558917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7210867A Granted FR2137477A1 (en) | 1971-05-11 | 1972-03-28 | Straight seam buttwelded tubing - made on machine with seam guide |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT302774B (en) |
| CH (1) | CH533470A (en) |
| DE (1) | DE2214070A1 (en) |
| FR (1) | FR2137477A1 (en) |
| IT (1) | IT961110B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3147147C2 (en) * | 1981-11-27 | 1986-07-10 | Gosudarstvennyj naučno-issledovatel'skij proektnyj i konstruktorskij institut splavov i obrabotki cvetnych metallov "Giprocvetmetobrabotka", Moskau/Moskva | Process for the production of thin-walled welding pipes with a straight seam |
| DE4124618C2 (en) * | 1991-07-25 | 1995-11-16 | Oppermann Willi Friedrich | Device for the production of welded profile tubes |
| CN107363557A (en) * | 2017-08-11 | 2017-11-21 | 江门市江海区中盈汇五金制品有限公司 | A kind of skeleton straightening with side bending device is rushed curved welding integrated |
| CN107363556A (en) * | 2017-08-11 | 2017-11-21 | 江门市江海区中盈汇五金制品有限公司 | A kind of straightening for fan housing skeleton is rushed curved welding integrated |
-
1971
- 1971-05-11 AT AT404671A patent/AT302774B/en active
-
1972
- 1972-03-13 CH CH366272A patent/CH533470A/en not_active IP Right Cessation
- 1972-03-23 DE DE19722214070 patent/DE2214070A1/en active Pending
- 1972-03-28 FR FR7210867A patent/FR2137477A1/en active Granted
- 1972-04-07 IT IT1258572A patent/IT961110B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2137477A1 (en) | 1972-12-29 |
| AT302774B (en) | 1972-10-25 |
| IT961110B (en) | 1973-12-10 |
| DE2214070A1 (en) | 1972-11-23 |
| CH533470A (en) | 1973-02-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |