DE3630625C2 - - Google Patents
Info
- Publication number
- DE3630625C2 DE3630625C2 DE19863630625 DE3630625A DE3630625C2 DE 3630625 C2 DE3630625 C2 DE 3630625C2 DE 19863630625 DE19863630625 DE 19863630625 DE 3630625 A DE3630625 A DE 3630625A DE 3630625 C2 DE3630625 C2 DE 3630625C2
- Authority
- DE
- Germany
- Prior art keywords
- tube
- welding
- diameter
- longitudinally welded
- slotted tube
- Prior art date
- 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
-
- 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
- B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
-
- 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
- B21C37/09—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
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
- B23K11/163—Welding of coated materials
- B23K11/166—Welding of coated materials of galvanized or tinned materials
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Coating With Molten Metal (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863630625 DE3630625A1 (de) | 1986-09-09 | 1986-09-09 | Verfahren zur herstellung eines innen verzinkten rohrs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863630625 DE3630625A1 (de) | 1986-09-09 | 1986-09-09 | Verfahren zur herstellung eines innen verzinkten rohrs |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3630625A1 DE3630625A1 (de) | 1988-03-17 |
DE3630625C2 true DE3630625C2 (fr) | 1988-07-28 |
Family
ID=6309194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863630625 Granted DE3630625A1 (de) | 1986-09-09 | 1986-09-09 | Verfahren zur herstellung eines innen verzinkten rohrs |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3630625A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0962267A2 (fr) | 1998-05-28 | 1999-12-08 | W.C. Heraeus GmbH | Procédé de fabrication de tuyaux composites métalliques, tuyau composite et son utilisation |
DE19915574A1 (de) * | 1999-03-30 | 2000-10-12 | Sms Demag Ag | Verfahren zur Herstellung des innen- und/oder außen verzinnten Hohlprofiles sowie innenverzinntes Kupferrohr |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5344062A (en) * | 1993-06-24 | 1994-09-06 | The Idod Trust | Method of forming seamed metal tube |
US5732874A (en) * | 1993-06-24 | 1998-03-31 | The Idod Trust | Method of forming seamed metal tube |
US5474227A (en) * | 1993-06-24 | 1995-12-12 | The Idod Trust | Method of forming seamed metal tube |
DE19515853C2 (de) * | 1995-04-29 | 2001-01-18 | Hewing Gmbh | Verfahren zum Ummanteln eines Kunststoffrohres mit einer Metallummantelung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7406801U (de) * | 1974-05-30 | Gebr Risse Gmbh | Stahlband zur Herstellung von geschweißten Rohren | |
DE484494C (de) * | 1928-04-03 | 1929-10-17 | Franz Von Wurstemberger | Loetverfahren fuer Eisen- und Stahlteile |
US2222579A (en) * | 1939-07-20 | 1940-11-19 | Lukens Steel Co | Welded seam clad tubing |
DE719351C (de) * | 1939-11-29 | 1942-04-04 | Mecano Spezialartikel Fuer Kra | Mehrschichtenrohr, das aus zwei Streifen verschiedener Metalle durch Laengszusammenbiegen geformt ist |
DE878504C (de) * | 1944-04-22 | 1953-06-05 | Deutsche Edelstahlwerke Ag | Verfahren und Anordnung zur Waermebehandlung von Metallteilen, insbesondere Stahl- und Eisenteilen |
GB910171A (en) * | 1960-01-21 | 1962-11-14 | Armco Int Corp | Method and apparatus for continuously forming welded coated steel tubing |
GB1005701A (en) * | 1963-11-15 | 1965-09-29 | Allied Tube & Conduit Corp | Improvements in or relating to continuous tube forming |
US3350771A (en) * | 1964-07-01 | 1967-11-07 | Texas Instruments Inc | Manufacture of seamed metallic tubing |
BE793124A (fr) * | 1972-06-23 | 1973-04-16 | Wheeling Pittsburgh Steel Corp | Tubes protecteurs metalliques pour canalisations electriques |
IT991034B (it) * | 1973-07-06 | 1975-07-30 | Fischetti P | Procedimento di formatura di tubi a superficie trattata e tubi cosi ottenuti |
-
1986
- 1986-09-09 DE DE19863630625 patent/DE3630625A1/de active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0962267A2 (fr) | 1998-05-28 | 1999-12-08 | W.C. Heraeus GmbH | Procédé de fabrication de tuyaux composites métalliques, tuyau composite et son utilisation |
DE19823832A1 (de) * | 1998-05-28 | 1999-12-09 | Heraeus Gmbh W C | Verfahren zur Herstellung von Verbund-Rohren aus Metall sowie Verbundrohr und dessen Verwendung |
DE19915574A1 (de) * | 1999-03-30 | 2000-10-12 | Sms Demag Ag | Verfahren zur Herstellung des innen- und/oder außen verzinnten Hohlprofiles sowie innenverzinntes Kupferrohr |
Also Published As
Publication number | Publication date |
---|---|
DE3630625A1 (de) | 1988-03-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |