BE781808A - PROCESS AND DEVICE FOR MAKING FINNED TUBES PRESENTING CROSS SECTIONS OF COMPLICATED SHAPES - Google Patents

PROCESS AND DEVICE FOR MAKING FINNED TUBES PRESENTING CROSS SECTIONS OF COMPLICATED SHAPES

Info

Publication number
BE781808A
BE781808A BE781808A BE781808A BE781808A BE 781808 A BE781808 A BE 781808A BE 781808 A BE781808 A BE 781808A BE 781808 A BE781808 A BE 781808A BE 781808 A BE781808 A BE 781808A
Authority
BE
Belgium
Prior art keywords
cross sections
complicated shapes
finned tubes
presenting cross
making finned
Prior art date
Application number
BE781808A
Other languages
French (fr)
Inventor
A Ujiie
Original Assignee
Mitsubishi Heavy Ind Ltd
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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of BE781808A publication Critical patent/BE781808A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/06—Melting-down metal, e.g. metal particles, in the mould
    • B22D23/10—Electroslag casting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/18—Electroslag remelting
    • 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
    • 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
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Continuous Casting (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BE781808A 1971-04-09 1972-04-07 PROCESS AND DEVICE FOR MAKING FINNED TUBES PRESENTING CROSS SECTIONS OF COMPLICATED SHAPES BE781808A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2182371A JPS5310530B1 (en) 1971-04-09 1971-04-09

Publications (1)

Publication Number Publication Date
BE781808A true BE781808A (en) 1972-07-31

Family

ID=12065767

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781808A BE781808A (en) 1971-04-09 1972-04-07 PROCESS AND DEVICE FOR MAKING FINNED TUBES PRESENTING CROSS SECTIONS OF COMPLICATED SHAPES

Country Status (14)

Country Link
JP (1) JPS5310530B1 (en)
BE (1) BE781808A (en)
CA (1) CA993171A (en)
CH (1) CH543912A (en)
CS (1) CS199235B2 (en)
DE (1) DE2217418C3 (en)
DK (1) DK133329C (en)
FR (1) FR2132794B1 (en)
GB (1) GB1352815A (en)
IT (1) IT952576B (en)
NL (1) NL164220C (en)
NO (1) NO135568C (en)
SE (1) SE375468B (en)
SU (1) SU822759A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222792B (en) * 1988-09-14 1993-01-20 Showa Denko Kk Method for continuous casting a hollow metallic ingot and apparatus therefor
FI108751B (en) * 1998-12-22 2002-03-15 Outokumpu Oy A method of producing a sliding casting heat sink and a heat sink produced by the method
CN103418761B (en) * 2013-08-12 2015-05-27 中国重型机械研究院股份公司 Polygon curved surface inner wall crystallizer for continuous casting of tube blank
DE102018215974B3 (en) * 2018-09-19 2020-03-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Rolling process for producing a spiral structure
RU2754336C2 (en) * 2019-10-07 2021-09-01 Александр Викторович Михалёв Method for continuous casting of hollow bills and a device for its use
RU2758485C1 (en) * 2020-09-16 2021-10-28 Олег Степанович Лехов Method for continuous casting of hollow blanks and a device for its implementation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596960A (en) * 1967-12-21 1970-06-22

Also Published As

Publication number Publication date
NO135568C (en) 1977-04-27
GB1352815A (en) 1974-05-15
CS199235B2 (en) 1980-07-31
NL7204749A (en) 1972-10-11
FR2132794A1 (en) 1972-11-24
FR2132794B1 (en) 1974-12-13
JPS5310530B1 (en) 1978-04-14
SE375468B (en) 1975-04-21
DK133329B (en) 1976-05-03
CH543912A (en) 1973-11-15
IT952576B (en) 1973-07-30
NL164220C (en) 1980-12-15
DE2217418A1 (en) 1973-01-04
DE2217418B2 (en) 1974-09-19
CA993171A (en) 1976-07-20
NO135568B (en) 1977-01-17
DE2217418C3 (en) 1975-05-15
NL164220B (en) 1980-07-15
SU822759A3 (en) 1981-04-15
DK133329C (en) 1976-09-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MITSUBISHI JUKOHGYO K. K.

Effective date: 19880430