JPS5069641A - - Google Patents

Info

Publication number
JPS5069641A
JPS5069641A JP49080074A JP8007474A JPS5069641A JP S5069641 A JPS5069641 A JP S5069641A JP 49080074 A JP49080074 A JP 49080074A JP 8007474 A JP8007474 A JP 8007474A JP S5069641 A JPS5069641 A JP S5069641A
Authority
JP
Japan
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.)
Pending
Application number
JP49080074A
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
Publication of JPS5069641A publication Critical patent/JPS5069641A/ja
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/20Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/205Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with annular guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/068Shaving, skiving or scarifying for forming lifted portions, e.g. slices or barbs, on the surface of the material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/02Tubular elements of cross-section which is non-circular
    • F28F1/04Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • F28F1/045Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
JP49080074A 1970-05-05 1974-07-12 Pending JPS5069641A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3471570A 1970-05-05 1970-05-05
US6891070A 1970-09-02 1970-09-02

Publications (1)

Publication Number Publication Date
JPS5069641A true JPS5069641A (ja) 1975-06-10

Family

ID=26711283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49080074A Pending JPS5069641A (ja) 1970-05-05 1974-07-12

Country Status (4)

Country Link
JP (1) JPS5069641A (ja)
CA (1) CA934750A (ja)
DE (1) DE2116358C3 (ja)
GB (1) GB1305667A (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850236A (en) * 1973-03-26 1974-11-26 Peerless Of America Heat exchangers
US3901312A (en) * 1974-02-01 1975-08-26 Peerless Of America Heat exchangers and method of making same
US4195688A (en) * 1975-01-13 1980-04-01 Hitachi, Ltd. Heat-transfer wall for condensation and method of manufacturing the same
US3947941A (en) * 1975-01-14 1976-04-06 Peerless Of America, Incorporated Method of making a heat exchanger
JPS538855A (en) * 1976-07-13 1978-01-26 Hitachi Cable Ltd Condensing heat transmission wall
US4298062A (en) * 1978-12-18 1981-11-03 Peerless Of America, Inc. Heat exchangers and method of making same
US4554970A (en) * 1982-06-10 1985-11-26 Peerless Of America, Inc. Heat exchangers and method of making same
CN104048542A (zh) * 2014-06-25 2014-09-17 上海理工大学 平齿翅片扁圆换热管
CN104075606A (zh) * 2014-06-25 2014-10-01 上海理工大学 扭齿翅片扁圆换热管
CN104048545A (zh) * 2014-06-25 2014-09-17 上海理工大学 矩形平齿翅片管及矩形平齿翅片管换热管束

Also Published As

Publication number Publication date
DE2116358C3 (de) 1979-10-31
CA934750A (en) 1973-10-02
DE2116358A1 (de) 1971-11-25
DE2116358B2 (de) 1979-03-08
GB1305667A (ja) 1973-02-07

Similar Documents

Publication Publication Date Title
AR204384A1 (ja)
JPS5069641A (ja)
ATA96471A (ja)
AU1146470A (ja)
AU1326870A (ja)
AU1833270A (ja)
AU1716970A (ja)
AU1336970A (ja)
AU2130570A (ja)
AR195465A1 (ja)
ATA672271A (ja)
AU1004470A (ja)
AU1689770A (ja)
AU2115870A (ja)
AU2119370A (ja)
AU1083170A (ja)
AU1328670A (ja)
AU1086670A (ja)
AU1064870A (ja)
AU2112570A (ja)
AU2130770A (ja)
AU2131570A (ja)
AU1247570A (ja)
AU2144270A (ja)
AU1189670A (ja)