IT1160449B - PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES - Google Patents
PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBESInfo
- Publication number
- IT1160449B IT1160449B IT68794/78A IT6879478A IT1160449B IT 1160449 B IT1160449 B IT 1160449B IT 68794/78 A IT68794/78 A IT 68794/78A IT 6879478 A IT6879478 A IT 6879478A IT 1160449 B IT1160449 B IT 1160449B
- Authority
- IT
- Italy
- Prior art keywords
- manufacture
- machine
- finned tubes
- finned
- tubes
- 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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/032—Seam welding; Backing means; Inserts for three-dimensional seams
- B23K9/0325—Seam welding; Backing means; Inserts for three-dimensional seams helicoidal seams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Discharge Lamp (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7809608A FR2421010A2 (en) | 1978-03-31 | 1978-03-31 | Finned tube for heat exchanger - has strip wound onto tube and welded by electric arc and consumable wire electrode at contacting edge |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7868794A0 IT7868794A0 (en) | 1978-07-27 |
IT1160449B true IT1160449B (en) | 1987-03-11 |
Family
ID=9206536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68794/78A IT1160449B (en) | 1978-03-31 | 1978-07-27 | PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2421010A2 (en) |
IT (1) | IT1160449B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59207552D1 (en) * | 1991-08-03 | 1997-01-02 | Rosink App & Anlagenbau Gmbh | RIB TUBE |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB843200A (en) * | 1957-07-11 | 1960-08-04 | Richards & Ross Ltd | Improvements relating to the manufacture of finned tubing |
US3246116A (en) * | 1962-12-31 | 1966-04-12 | Kentube Company | Process for making finned tubes |
FR1368939A (en) * | 1963-06-28 | 1964-08-07 | Alsthom Cgee | Welded fin heat exchanger tube |
DE2520610C3 (en) * | 1975-05-09 | 1984-10-25 | Blohm + Voss Ag, 2000 Hamburg | Method and device for the production of screw sutures |
FR2342817A1 (en) * | 1976-03-03 | 1977-09-30 | Biraghi Entrepose Fabrications | Continuous arc welding metal strip onto tube - to make a helical fin very suitable for heat exchanger tubes |
-
1978
- 1978-03-31 FR FR7809608A patent/FR2421010A2/en active Granted
- 1978-07-27 IT IT68794/78A patent/IT1160449B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2421010A2 (en) | 1979-10-26 |
IT7868794A0 (en) | 1978-07-27 |
FR2421010B2 (en) | 1982-08-06 |
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