JPS4931863B1 - - Google Patents

Info

Publication number
JPS4931863B1
JPS4931863B1 JP44052752A JP5275269A JPS4931863B1 JP S4931863 B1 JPS4931863 B1 JP S4931863B1 JP 44052752 A JP44052752 A JP 44052752A JP 5275269 A JP5275269 A JP 5275269A JP S4931863 B1 JPS4931863 B1 JP S4931863B1
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
JP44052752A
Other languages
Japanese (ja)
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
Priority to JP44052752A priority Critical patent/JPS4931863B1/ja
Priority to GB1290588D priority patent/GB1290588A/en
Priority to CH973470A priority patent/CH510847A/de
Priority to SE09129/70A priority patent/SE358720B/xx
Priority to FR7024461A priority patent/FR2050447B1/fr
Priority to US00051434A priority patent/US3734140A/en
Priority to DE19702032891 priority patent/DE2032891C3/de
Priority to ZA704552A priority patent/ZA704552B/xx
Publication of JPS4931863B1 publication Critical patent/JPS4931863B1/ja
Pending 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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making 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
    • B21C37/207—Making 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 helical guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/02—Rigid pipes of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/101—Tubes having fins or ribs
    • F22B37/103—Internally ribbed tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/12—Forms of water tubes, e.g. of varying cross-section
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Metal Extraction Processes (AREA)
JP44052752A 1969-07-02 1969-07-02 Pending JPS4931863B1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP44052752A JPS4931863B1 (it) 1969-07-02 1969-07-02
GB1290588D GB1290588A (it) 1969-07-02 1970-06-26
CH973470A CH510847A (de) 1969-07-02 1970-06-26 Siederohr
SE09129/70A SE358720B (it) 1969-07-02 1970-07-01
FR7024461A FR2050447B1 (it) 1969-07-02 1970-07-01
US00051434A US3734140A (en) 1969-07-02 1970-07-01 Cross-rifled vapor generating tube
DE19702032891 DE2032891C3 (de) 1969-07-02 1970-07-02 Dampferzeugerrohr mit schraubenförmigen Innenzügen
ZA704552A ZA704552B (en) 1969-07-02 1970-07-02 Cross-rifled vapor generating tube and a method of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44052752A JPS4931863B1 (it) 1969-07-02 1969-07-02

Publications (1)

Publication Number Publication Date
JPS4931863B1 true JPS4931863B1 (it) 1974-08-26

Family

ID=12923617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP44052752A Pending JPS4931863B1 (it) 1969-07-02 1969-07-02

Country Status (7)

Country Link
US (1) US3734140A (it)
JP (1) JPS4931863B1 (it)
CH (1) CH510847A (it)
FR (1) FR2050447B1 (it)
GB (1) GB1290588A (it)
SE (1) SE358720B (it)
ZA (1) ZA704552B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE363164B (it) * 1972-05-23 1974-01-07 Ctc Ab
US4044797A (en) * 1974-11-25 1977-08-30 Hitachi, Ltd. Heat transfer pipe
JPS5623603A (en) * 1979-08-01 1981-03-06 Mitsubishi Heavy Ind Ltd Forced flowinggthrough boiler
US4290389A (en) * 1979-09-21 1981-09-22 Combustion Engineering, Inc. Once through sliding pressure steam generator
DE3048959C2 (de) 1980-12-24 1985-08-29 Wieland-Werke Ag, 7900 Ulm Verfahren und Vorrichtung zur Herstellung eines Rippenrohres für Wärmeübertrager o.dgl.
JPH06100432B2 (ja) * 1984-06-20 1994-12-12 株式会社日立製作所 伝熱管
JPS6189497A (ja) * 1984-10-05 1986-05-07 Hitachi Ltd 伝熱管
GB2278912B (en) * 1991-02-21 1995-09-06 American Standard Inc Internally enhanced heat transfer tube
US5070937A (en) * 1991-02-21 1991-12-10 American Standard Inc. Internally enhanced heat transfer tube
FR2708492B1 (fr) * 1993-08-05 1995-10-20 Balon Roger Leopold Procédé et installation pour la fabrication de tubes d'échangeur de chaleur et tubes obtenus.
US6182743B1 (en) * 1998-11-02 2001-02-06 Outokumpu Cooper Franklin Inc. Polyhedral array heat transfer tube
GB2371346B (en) * 2000-12-14 2002-12-04 Tayside Flow Technologies Ltd Improving fluid flow in tubing
US20150231946A1 (en) * 2014-02-14 2015-08-20 Unique Fabricating, Inc. Noise attenuated air duct
US10344580B2 (en) * 2017-05-03 2019-07-09 Ge Oil & Gas Esp, Inc. Passive multiphase flow separator
EP3542692A1 (de) * 2018-03-22 2019-09-25 HILTI Aktiengesellschaft Staubsaugerschlauch

Also Published As

Publication number Publication date
CH510847A (de) 1971-07-31
SE358720B (it) 1973-08-06
DE2032891B2 (de) 1972-11-09
GB1290588A (it) 1972-09-27
DE2032891A1 (de) 1971-02-04
ZA704552B (en) 1971-03-31
FR2050447A1 (it) 1971-04-02
FR2050447B1 (it) 1973-10-19
US3734140A (en) 1973-05-22

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