DE69306080T2 - System zum Nuten und Walzen von länglichen Körpern und daraus entstehende flache Rohre für Wärmeaustauscher - Google Patents

System zum Nuten und Walzen von länglichen Körpern und daraus entstehende flache Rohre für Wärmeaustauscher

Info

Publication number
DE69306080T2
DE69306080T2 DE69306080T DE69306080T DE69306080T2 DE 69306080 T2 DE69306080 T2 DE 69306080T2 DE 69306080 T DE69306080 T DE 69306080T DE 69306080 T DE69306080 T DE 69306080T DE 69306080 T2 DE69306080 T2 DE 69306080T2
Authority
DE
Germany
Prior art keywords
grooving
heat exchangers
flat tubes
elongated bodies
resulting flat
Prior art date
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 - Fee Related
Application number
DE69306080T
Other languages
English (en)
Other versions
DE69306080D1 (de
Inventor
Yuji Ishizaka
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.)
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Electric Manufacturing Co 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 Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Publication of DE69306080D1 publication Critical patent/DE69306080D1/de
Application granted granted Critical
Publication of DE69306080T2 publication Critical patent/DE69306080T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B21C37/151—Making tubes with multiple passages
    • 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
    • B21C37/202—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 guides parallel to the tube axis
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Metal Rolling (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
DE69306080T 1992-09-08 1993-09-08 System zum Nuten und Walzen von länglichen Körpern und daraus entstehende flache Rohre für Wärmeaustauscher Expired - Fee Related DE69306080T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23875492 1992-09-08
JP29276592A JP3186261B2 (ja) 1992-09-08 1992-10-30 溶接伝熱管用条材溝付圧延加工装置及び溶接偏平伝熱管

Publications (2)

Publication Number Publication Date
DE69306080D1 DE69306080D1 (de) 1997-01-02
DE69306080T2 true DE69306080T2 (de) 1997-03-13

Family

ID=26533871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306080T Expired - Fee Related DE69306080T2 (de) 1992-09-08 1993-09-08 System zum Nuten und Walzen von länglichen Körpern und daraus entstehende flache Rohre für Wärmeaustauscher

Country Status (6)

Country Link
EP (1) EP0591693B1 (de)
JP (1) JP3186261B2 (de)
CA (1) CA2105406C (de)
DE (1) DE69306080T2 (de)
ES (1) ES2096822T3 (de)
MY (1) MY109575A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2721999A (en) * 1999-01-28 2000-08-18 Norsk Hydro Asa Flat oval tube
WO2009005006A1 (ja) * 2007-06-29 2009-01-08 Daio Paper Corporation 使い捨ておむつ
CN100537127C (zh) * 2007-12-21 2009-09-09 金龙精密铜管集团股份有限公司 金属扁管的生产线和金属扁管的制造方法
KR101613985B1 (ko) 2015-02-10 2016-04-20 조영명 조립식 레일 완구
WO2018143921A1 (en) 2017-01-31 2018-08-09 Kimberly-Clark Worldwide, Inc. Absorbent article with body side pocket
CN110913815A (zh) 2017-07-31 2020-03-24 金伯利-克拉克环球有限公司 具有提供屏障区的身体侧衬里的吸收制品
US11988459B2 (en) * 2022-06-21 2024-05-21 GM Global Technology Operations LLC Plate-and-fin heat exchanger with fins having one or more bending points
CN116871375B (zh) * 2023-09-06 2023-11-28 杭州万全金属软管有限公司 一种不锈钢波纹管加工装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2047001A (en) * 1932-12-10 1936-07-07 Preston Davie Apparatus for making foraminous elements
US2549466A (en) * 1947-04-23 1951-04-17 Johns Manville Method for making heat exchangers
US3662582A (en) * 1970-05-18 1972-05-16 Noranda Metal Ind Heat-exchange tubing and method of making it
GB1468710A (en) * 1975-04-30 1977-03-30 Atomic Energy Authority Uk Methods of forming re-entrant cavities in the surface of heat exchange members or ebulators
JP2730824B2 (ja) * 1991-07-09 1998-03-25 三菱伸銅株式会社 内面溝付伝熱管およびその製造方法

Also Published As

Publication number Publication date
EP0591693B1 (de) 1996-11-20
ES2096822T3 (es) 1997-03-16
JP3186261B2 (ja) 2001-07-11
EP0591693A1 (de) 1994-04-13
DE69306080D1 (de) 1997-01-02
CA2105406A1 (en) 1994-03-09
JPH06137778A (ja) 1994-05-20
CA2105406C (en) 1999-06-29
MY109575A (en) 1997-02-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee