IT1160449B - PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES - Google Patents

PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES

Info

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
Application number
IT68794/78A
Other languages
Italian (it)
Other versions
IT7868794A0 (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 IT7868794A0 publication Critical patent/IT7868794A0/en
Application granted granted Critical
Publication of IT1160449B publication Critical patent/IT1160449B/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
    • 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)
IT68794/78A 1978-03-31 1978-07-27 PROCESS AND MACHINE FOR THE MANUFACTURE OF FINNED TUBES IT1160449B (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0604439T3 (en) * 1991-08-03 1997-05-05 Rosink App & Anlagenbau Gmbh Finned

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2421010A2 (en) 1979-10-26
FR2421010B2 (en) 1982-08-06
IT7868794A0 (en) 1978-07-27

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