FR2050447B1 - - Google Patents

Info

Publication number
FR2050447B1
FR2050447B1 FR7024461A FR7024461A FR2050447B1 FR 2050447 B1 FR2050447 B1 FR 2050447B1 FR 7024461 A FR7024461 A FR 7024461A FR 7024461 A FR7024461 A FR 7024461A FR 2050447 B1 FR2050447 B1 FR 2050447B1
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
FR7024461A
Other versions
FR2050447A1 (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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of FR2050447A1 publication Critical patent/FR2050447A1/fr
Application granted granted Critical
Publication of FR2050447B1 publication Critical patent/FR2050447B1/fr
Expired 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
FR7024461A 1969-07-02 1970-07-01 Expired FR2050447B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2050447A1 FR2050447A1 (fr) 1971-04-02
FR2050447B1 true FR2050447B1 (fr) 1973-10-19

Family

ID=12923617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7024461A Expired FR2050447B1 (fr) 1969-07-02 1970-07-01

Country Status (7)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE363164B (fr) * 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
US5070937A (en) * 1991-02-21 1991-12-10 American Standard Inc. Internally enhanced heat transfer tube
GB2278912B (en) * 1991-02-21 1995-09-06 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
DE102015202655A1 (de) * 2014-02-14 2015-08-20 Unique Fabricating, Inc. Geräuschgedämpfter Luftkanal
US10344580B2 (en) * 2017-05-03 2019-07-09 Ge Oil & Gas Esp, Inc. Passive multiphase flow separator
EP3542692A1 (fr) * 2018-03-22 2019-09-25 HILTI Aktiengesellschaft Tuyau d'aspirateur

Also Published As

Publication number Publication date
US3734140A (en) 1973-05-22
ZA704552B (en) 1971-03-31
SE358720B (fr) 1973-08-06
DE2032891B2 (de) 1972-11-09
CH510847A (de) 1971-07-31
GB1290588A (fr) 1972-09-27
FR2050447A1 (fr) 1971-04-02
JPS4931863B1 (fr) 1974-08-26
DE2032891A1 (de) 1971-02-04

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