IT1109590B - PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES FOR HEAT EXCHANGERS - Google Patents
PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES FOR HEAT EXCHANGERSInfo
- Publication number
- IT1109590B IT1109590B IT68795/78A IT6879578A IT1109590B IT 1109590 B IT1109590 B IT 1109590B IT 68795/78 A IT68795/78 A IT 68795/78A IT 6879578 A IT6879578 A IT 6879578A IT 1109590 B IT1109590 B IT 1109590B
- Authority
- IT
- Italy
- Prior art keywords
- manufacture
- machine
- heat exchangers
- finned tubes
- finned
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
- B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed 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
- B23K11/082—Seam welding not restricted to one of the preceding subgroups of three-dimensional seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7810422A FR2421688A3 (en) | 1978-04-07 | 1978-04-07 | Mfg. finned tube for heat exchangers - where metal strip is wound as helix onto tube and then welded by radio frequency electric current |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7868795A0 IT7868795A0 (en) | 1978-07-27 |
IT1109590B true IT1109590B (en) | 1985-12-23 |
Family
ID=9206865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68795/78A IT1109590B (en) | 1978-04-07 | 1978-07-27 | PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES FOR HEAT EXCHANGERS |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2421688A3 (en) |
IT (1) | IT1109590B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109365565A (en) * | 2018-11-28 | 2019-02-22 | 昆山诺丹舜蒲胶辊有限公司 | The vertical cold winding apparatus of the band steel of helical water-through steel core |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1188690A (en) * | 1956-12-11 | 1959-09-24 | Peco Elek Sche Schweiss Maschi | Method of manufacturing a cooling finned tube |
GB893701A (en) * | 1959-01-13 | 1962-04-11 | Ferdinand Busse | A method of and apparatus for manufacturing helically finned tubing |
US3047712A (en) * | 1961-02-23 | 1962-07-31 | American Mach & Foundry | Method and apparatus for welding striplike material to curved surfaces |
FR1351097A (en) * | 1963-03-12 | 1964-01-31 | Ohio Crankshaft Co | Welding process and apparatus |
FR1499113A (en) * | 1964-06-01 | 1967-10-27 | Brown Fintube Co | Method and apparatus for helical welding of metal strips to the outer face of resulting helical fin tubes and tubes |
GB1328302A (en) * | 1970-06-25 | 1973-08-30 | Escoa Fintube Corp | Segmented finned tube and its method of manufacture |
-
1978
- 1978-04-07 FR FR7810422A patent/FR2421688A3/en active Granted
- 1978-07-27 IT IT68795/78A patent/IT1109590B/en active
Also Published As
Publication number | Publication date |
---|---|
IT7868795A0 (en) | 1978-07-27 |
FR2421688A3 (en) | 1979-11-02 |
FR2421688B3 (en) | 1980-08-29 |
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