FR2232402B3 - - Google Patents
Info
- Publication number
- FR2232402B3 FR2232402B3 FR7419687A FR7419687A FR2232402B3 FR 2232402 B3 FR2232402 B3 FR 2232402B3 FR 7419687 A FR7419687 A FR 7419687A FR 7419687 A FR7419687 A FR 7419687A FR 2232402 B3 FR2232402 B3 FR 2232402B3
- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
- B23K11/061—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams
- B23K11/062—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams for welding longitudinal seams of tubes
- B23K11/063—Lap welding
-
- 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
- B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH838873A CH562077A5 (es) | 1973-06-08 | 1973-06-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2232402A1 FR2232402A1 (en) | 1975-01-03 |
FR2232402B3 true FR2232402B3 (es) | 1977-04-08 |
Family
ID=4339550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7419687A Granted FR2232402A1 (en) | 1973-06-08 | 1974-06-07 | Semiautomatic bending and welding machine - for rolling sheet metal into a cylinder and welding the ends together |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH562077A5 (es) |
DE (1) | DE2426379A1 (es) |
FR (1) | FR2232402A1 (es) |
IT (1) | IT1014899B (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145986A (en) * | 1977-06-09 | 1979-03-27 | The Continental Group, Inc. | Ring type calibrating cage |
US4272004A (en) * | 1979-10-23 | 1981-06-09 | Sws Incorporated | Z-Bar guide apparatus |
US4540879A (en) * | 1983-06-09 | 1985-09-10 | Ideal Carbide Die Co. | Alignment tooling for metal cylinder welding machines |
DE3579372D1 (de) * | 1984-06-15 | 1990-10-04 | Cmr Costr Mecc Rho | Vorrichtung zum herstellen von aus blech geschweissten radfelgenrohlingen. |
CH671893A5 (es) * | 1987-05-05 | 1989-10-13 | Elpatronic Ag | |
US11219531B2 (en) | 2019-04-10 | 2022-01-11 | Wenzel Spine, Inc. | Rotatable intervertebral spacing implant |
-
1973
- 1973-06-08 CH CH838873A patent/CH562077A5/xx not_active IP Right Cessation
-
1974
- 1974-05-31 DE DE19742426379 patent/DE2426379A1/de active Pending
- 1974-06-07 FR FR7419687A patent/FR2232402A1/fr active Granted
- 1974-06-10 IT IT2377674A patent/IT1014899B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2426379A1 (de) | 1975-01-02 |
FR2232402A1 (en) | 1975-01-03 |
CH562077A5 (es) | 1975-05-30 |
IT1014899B (it) | 1977-04-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |