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 EXCHANGERS

Info

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
Application number
IT68795/78A
Other languages
Italian (it)
Other versions
IT7868795A0 (en
Original Assignee
Biraghi Fab Ets
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Biraghi Fab Ets filed Critical Biraghi Fab Ets
Publication of IT7868795A0 publication Critical patent/IT7868795A0/en
Application granted granted Critical
Publication of IT1109590B publication Critical patent/IT1109590B/en

Links

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)
IT68795/78A 1978-04-07 1978-07-27 PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES FOR HEAT EXCHANGERS IT1109590B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2421688B3 (en) 1980-08-29
IT7868795A0 (en) 1978-07-27
FR2421688A3 (en) 1979-11-02

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