FR2447771B1 - - Google Patents
Info
- Publication number
- FR2447771B1 FR2447771B1 FR8002392A FR8002392A FR2447771B1 FR 2447771 B1 FR2447771 B1 FR 2447771B1 FR 8002392 A FR8002392 A FR 8002392A FR 8002392 A FR8002392 A FR 8002392A FR 2447771 B1 FR2447771 B1 FR 2447771B1
- 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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
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- 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
- B21C37/16—Making tubes with varying diameter in longitudinal direction
- B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792904269 DE2904269C2 (de) | 1979-02-05 | 1979-02-05 | Schweißvorrichtung für konische Masten |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2447771A1 FR2447771A1 (fr) | 1980-08-29 |
FR2447771B1 true FR2447771B1 (sk) | 1983-02-18 |
Family
ID=6062186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8002392A Granted FR2447771A1 (fr) | 1979-02-05 | 1980-02-04 | Dispositif de soudage pour mats coniques |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2904269C2 (sk) |
ES (1) | ES488226A1 (sk) |
FR (1) | FR2447771A1 (sk) |
GB (1) | GB2042394B (sk) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100411819C (zh) * | 2005-12-23 | 2008-08-20 | 昆山市华恒焊接设备技术有限责任公司 | 柔性自动定心夹具 |
WO2008132767A1 (en) * | 2007-04-30 | 2008-11-06 | Officine Meccaniche Murgesi S.R.L. | Method and system for longitudinally welding tapered tubular shafts |
US11021811B2 (en) * | 2014-12-02 | 2021-06-01 | Braskem S.A. | Continuous method and system for the production of at least one polymeric yarn and polymeric yarn |
CN118081172B (zh) * | 2024-04-23 | 2024-07-16 | 江苏亚立特钢有限公司 | 一种钢管直缝焊接设备 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR471528A (fr) * | 1913-07-05 | 1914-10-30 | Louis Greenberg | Perfectionnements aux ventilateurs |
GB809129A (en) * | 1954-11-25 | 1959-02-18 | Linde Eismasch Ag | Apparatus for fusion butt welding the adjacent longitudinal edges of tube lengths |
DE1912394C3 (de) * | 1969-03-12 | 1983-01-05 | Benteler-Werke Ag Werk Neuhaus, 4790 Paderborn | Schweißvorrichtung für das Verschweißen des längsgerichteten Schweißspaltes schlitzrohrartig geformter Hohlkörper, insbesondere konischer Masten |
-
1979
- 1979-02-05 DE DE19792904269 patent/DE2904269C2/de not_active Expired
-
1980
- 1980-02-01 GB GB8003450A patent/GB2042394B/en not_active Expired
- 1980-02-01 ES ES488226A patent/ES488226A1/es not_active Expired
- 1980-02-04 FR FR8002392A patent/FR2447771A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
ES488226A1 (es) | 1980-09-16 |
GB2042394B (en) | 1982-12-01 |
DE2904269C2 (de) | 1983-07-14 |
FR2447771A1 (fr) | 1980-08-29 |
GB2042394A (en) | 1980-09-24 |
DE2904269A1 (de) | 1980-08-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |