NO742459L - - Google Patents
Info
- Publication number
- NO742459L NO742459L NO742459A NO742459A NO742459L NO 742459 L NO742459 L NO 742459L NO 742459 A NO742459 A NO 742459A NO 742459 A NO742459 A NO 742459A NO 742459 L NO742459 L NO 742459L
- Authority
- NO
- Norway
- Prior art keywords
- welding
- edges
- pipe
- insert
- layer
- Prior art date
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
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
- B23K11/163—Welding of coated materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
- B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
-
- 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
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
- B23K11/087—Seam welding not restricted to one of the preceding subgroups for rectilinear seams
- B23K11/0873—Seam welding not restricted to one of the preceding subgroups for rectilinear seams of the longitudinal seam of tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Package Frames And Binding Bands (AREA)
- Arc Welding In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT26310/73A IT991034B (it) | 1973-07-06 | 1973-07-06 | Procedimento di formatura di tubi a superficie trattata e tubi cosi ottenuti |
Publications (1)
Publication Number | Publication Date |
---|---|
NO742459L true NO742459L (enrdf_load_stackoverflow) | 1975-02-03 |
Family
ID=11219196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO742459A NO742459L (enrdf_load_stackoverflow) | 1973-07-06 | 1974-07-05 |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2432336A1 (enrdf_load_stackoverflow) |
ES (1) | ES428281A1 (enrdf_load_stackoverflow) |
FR (1) | FR2241353A1 (enrdf_load_stackoverflow) |
IT (1) | IT991034B (enrdf_load_stackoverflow) |
NL (1) | NL7409115A (enrdf_load_stackoverflow) |
NO (1) | NO742459L (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3630625A1 (de) * | 1986-09-09 | 1988-03-17 | Benteler Werke Ag | Verfahren zur herstellung eines innen verzinkten rohrs |
DE4001825A1 (de) * | 1990-01-23 | 1991-07-25 | Mannstaedt Werke Gmbh & Co | Verfahren zum schweissen von plattiertem stahl |
DE19915574A1 (de) * | 1999-03-30 | 2000-10-12 | Sms Demag Ag | Verfahren zur Herstellung des innen- und/oder außen verzinnten Hohlprofiles sowie innenverzinntes Kupferrohr |
-
1973
- 1973-07-06 IT IT26310/73A patent/IT991034B/it active
-
1974
- 1974-07-05 FR FR7424248A patent/FR2241353A1/fr active Granted
- 1974-07-05 NL NL7409115A patent/NL7409115A/xx unknown
- 1974-07-05 DE DE2432336A patent/DE2432336A1/de active Pending
- 1974-07-05 NO NO742459A patent/NO742459L/no unknown
- 1974-07-05 ES ES428281A patent/ES428281A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2432336A1 (de) | 1975-01-30 |
ES428281A1 (es) | 1976-07-16 |
NL7409115A (nl) | 1975-01-08 |
FR2241353A1 (en) | 1975-03-21 |
FR2241353B3 (enrdf_load_stackoverflow) | 1977-05-06 |
IT991034B (it) | 1975-07-30 |
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