FR1604823A - - Google Patents

Info

Publication number
FR1604823A
FR1604823A FR1604823DA FR1604823A FR 1604823 A FR1604823 A FR 1604823A FR 1604823D A FR1604823D A FR 1604823DA FR 1604823 A FR1604823 A FR 1604823A
Authority
FR
France
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
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1604823A publication Critical patent/FR1604823A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
FR1604823D 1967-12-01 1967-12-01 Expired FR1604823A (2)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR130700 1967-12-01

Publications (1)

Publication Number Publication Date
FR1604823A true FR1604823A (2) 1972-04-17

Family

ID=8642653

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1604823D Expired FR1604823A (2) 1967-12-01 1967-12-01

Country Status (1)

Country Link
FR (1) FR1604823A (2)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091127A1 (en) * 1982-04-06 1983-10-12 Energiagazdalkodasi Intezet Helicoidally finned tubes
EP0653044A4 (en) * 1992-08-10 1995-10-04 Finetube Limited Partnership TOOTHED, EXTENDED RIB FOR RIBBED TUBE.
EP0854344A3 (en) * 1997-01-20 2000-01-26 Kabushiki Kaisha Toshiba Heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091127A1 (en) * 1982-04-06 1983-10-12 Energiagazdalkodasi Intezet Helicoidally finned tubes
EP0653044A4 (en) * 1992-08-10 1995-10-04 Finetube Limited Partnership TOOTHED, EXTENDED RIB FOR RIBBED TUBE.
EP0854344A3 (en) * 1997-01-20 2000-01-26 Kabushiki Kaisha Toshiba Heat exchanger

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Legal Events

Date Code Title Description
ST Notification of lapse