FR2374610B1 - - Google Patents

Info

Publication number
FR2374610B1
FR2374610B1 FR7737515A FR7737515A FR2374610B1 FR 2374610 B1 FR2374610 B1 FR 2374610B1 FR 7737515 A FR7737515 A FR 7737515A FR 7737515 A FR7737515 A FR 7737515A FR 2374610 B1 FR2374610 B1 FR 2374610B1
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
FR7737515A
Other languages
French (fr)
Other versions
FR2374610A1 (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.)
GA Technologies Inc
Original Assignee
GA Technologies Inc
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 GA Technologies Inc filed Critical GA Technologies Inc
Publication of FR2374610A1 publication Critical patent/FR2374610A1/fr
Application granted granted Critical
Publication of FR2374610B1 publication Critical patent/FR2374610B1/fr
Granted legal-status Critical Current

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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • B21C37/124—Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
FR7737515A 1976-12-15 1977-12-13 Tube a cannelures helicoidales pour echanges de chaleur et son procede de fabrication Granted FR2374610A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75058176A 1976-12-15 1976-12-15

Publications (2)

Publication Number Publication Date
FR2374610A1 FR2374610A1 (fr) 1978-07-13
FR2374610B1 true FR2374610B1 (ko) 1984-09-28

Family

ID=25018440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7737515A Granted FR2374610A1 (fr) 1976-12-15 1977-12-13 Tube a cannelures helicoidales pour echanges de chaleur et son procede de fabrication

Country Status (4)

Country Link
JP (2) JPS5375558A (ko)
CH (1) CH626986A5 (ko)
DE (1) DE2755521A1 (ko)
FR (1) FR2374610A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2043867B (en) * 1979-02-27 1983-11-30 Gen Atomic Co Heat transfer tube and method of making same
JPS60144595A (ja) * 1984-01-06 1985-07-30 Mitsubishi Heavy Ind Ltd 熱交換器の伝熱管構造
DE4343405A1 (de) * 1993-12-18 1995-06-22 Friedrich Ambs Gmbh & Co Kg Ap Rohr, insbesondere zur Verwendung als Wärmetauschrohr für Rohrbündelwärmeübertrager
DE4420756C1 (de) * 1994-06-15 1995-11-30 Wieland Werke Ag Mehrgängiges Rippenrohr und Verfahren zu dessen Herstellung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB812318A (en) * 1956-07-16 1959-04-22 Calumet & Hecla Improvements in or relating to tubular heat exchange elements
US3358112A (en) * 1963-07-24 1967-12-12 Armco Steel Corp Welded helical lock seam pipe and method and apparatus for manufacturing the same
US3601570A (en) * 1967-06-14 1971-08-24 Pacific Roller Die Co Inc Helical pipe-forming and welding apparatus method
US3826304A (en) * 1967-10-11 1974-07-30 Universal Oil Prod Co Advantageous configuration of tubing for internal boiling
GB1250870A (ko) * 1969-10-08 1971-10-20
GB1343412A (en) * 1970-06-30 1974-01-10 Atomic Energy Authority Uk Heat transfer tubes
CA883780A (en) * 1970-10-09 1971-10-19 D. Hale Reginald Apparatus for and the method of, making spiral seamed laminated sheet metal pipe
US3779312A (en) * 1972-03-07 1973-12-18 Universal Oil Prod Co Internally ridged heat transfer tube
US3863480A (en) * 1973-08-28 1975-02-04 Johns Manville Apparatus for forming corrugated strip material into helically wound tubing

Also Published As

Publication number Publication date
CH626986A5 (en) 1981-12-15
JPS5375558A (en) 1978-07-05
FR2374610A1 (fr) 1978-07-13
JPS6213377U (ko) 1987-01-27
DE2755521A1 (de) 1978-06-22

Similar Documents

Publication Publication Date Title
FR2366022B1 (ko)
DE2710047C2 (ko)
DE2721793C2 (ko)
JPS5722013B2 (ko)
DE2716568C2 (ko)
DE2713867C2 (ko)
DE2608329C2 (ko)
JPS5519315B2 (ko)
JPS5350292U (ko)
FR2345121B1 (ko)
JPS5545881Y2 (ko)
FR2370581B1 (ko)
JPS5322615Y2 (ko)
FR2366162B2 (ko)
JPS5544580B2 (ko)
JPS52163698U (ko)
JPS52137722U (ko)
JPS5437845Y2 (ko)
DE2611093C2 (ko)
JPS5613482B2 (ko)
JPS5213210U (ko)
JPS533890U (ko)
JPS5371086U (ko)
JPS5383789U (ko)
JPS5384953U (ko)

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse