FR2313144B3 - - Google Patents

Info

Publication number
FR2313144B3
FR2313144B3 FR7617046A FR7617046A FR2313144B3 FR 2313144 B3 FR2313144 B3 FR 2313144B3 FR 7617046 A FR7617046 A FR 7617046A FR 7617046 A FR7617046 A FR 7617046A FR 2313144 B3 FR2313144 B3 FR 2313144B3
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
FR7617046A
Other languages
French (fr)
Other versions
FR2313144A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2313144A1 publication Critical patent/FR2313144A1/fr
Application granted granted Critical
Publication of FR2313144B3 publication Critical patent/FR2313144B3/fr
Granted 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
    • F28F1/14—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 longitudinally
    • 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
    • B21C37/225—Making finned or ribbed tubes by fixing strip or like material to tubes longitudinally-ribbed tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
FR7617046A 1975-06-04 1976-06-04 Tube a ailettes avec bande d'ailettes ondulee ainsi que procede et dispositif pour sa fabrication Granted FR2313144A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752524737 DE2524737A1 (de) 1975-06-04 1975-06-04 Verfahren und vorrichtung zur herstellung eines gewellten rippenbandes zur anwendung beim herstellungsverfahren fuer elektrisch geschweisste rippenrohre

Publications (2)

Publication Number Publication Date
FR2313144A1 FR2313144A1 (fr) 1976-12-31
FR2313144B3 true FR2313144B3 (enrdf_load_stackoverflow) 1979-02-23

Family

ID=5948196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617046A Granted FR2313144A1 (fr) 1975-06-04 1976-06-04 Tube a ailettes avec bande d'ailettes ondulee ainsi que procede et dispositif pour sa fabrication

Country Status (5)

Country Link
BE (1) BE842620A (enrdf_load_stackoverflow)
DE (1) DE2524737A1 (enrdf_load_stackoverflow)
FR (1) FR2313144A1 (enrdf_load_stackoverflow)
IT (1) IT1071295B (enrdf_load_stackoverflow)
SE (1) SE7606375L (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2313144A1 (fr) 1976-12-31
IT1071295B (it) 1985-04-02
DE2524737A1 (de) 1976-12-16
SE7606375L (sv) 1976-12-05
BE842620A (fr) 1976-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse