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FR2517044B1 - HEAT TRANSMISSION TUBE WITH LEAK INDICATOR - Google Patents

HEAT TRANSMISSION TUBE WITH LEAK INDICATOR

Info

Publication number
FR2517044B1
FR2517044B1 FR8219591A FR8219591A FR2517044B1 FR 2517044 B1 FR2517044 B1 FR 2517044B1 FR 8219591 A FR8219591 A FR 8219591A FR 8219591 A FR8219591 A FR 8219591A FR 2517044 B1 FR2517044 B1 FR 2517044B1
Authority
FR
France
Prior art keywords
heat transmission
transmission tube
leak indicator
leak
indicator
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
Application number
FR8219591A
Other languages
French (fr)
Other versions
FR2517044A1 (en
Inventor
Edmund Schmid
Hans-Werner Kastner
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.)
Wieland Werke AG
Original Assignee
Wieland Werke AG
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 Wieland Werke AG filed Critical Wieland Werke AG
Publication of FR2517044A1 publication Critical patent/FR2517044A1/en
Application granted granted Critical
Publication of FR2517044B1 publication Critical patent/FR2517044B1/en
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
    • 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
    • B21C37/154—Making multi-wall tubes
    • 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
    • F28F1/003—Multiple wall conduits, e.g. for leak detection
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and 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
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/422—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element with outside means integral with the tubular element and inside means integral with the tubular element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
FR8219591A 1981-11-23 1982-11-23 HEAT TRANSMISSION TUBE WITH LEAK INDICATOR Expired FR2517044B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3146367 1981-11-23

Publications (2)

Publication Number Publication Date
FR2517044A1 FR2517044A1 (en) 1983-05-27
FR2517044B1 true FR2517044B1 (en) 1986-06-27

Family

ID=6146997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8219591A Expired FR2517044B1 (en) 1981-11-23 1982-11-23 HEAT TRANSMISSION TUBE WITH LEAK INDICATOR

Country Status (4)

Country Link
AT (1) AT385104B (en)
FR (1) FR2517044B1 (en)
GB (1) GB2109913B (en)
NL (1) NL8203928A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915166A (en) * 1983-08-04 1990-04-10 Wolverine Tube, Inc. Titanium heat exchange tubes
GB2204945B (en) * 1987-05-22 1991-04-24 Nuovo Pignone Spa Heat exchanger for the domestic heating of water
FR2697077B1 (en) * 1992-10-16 1994-12-30 Sofath Device for improving the performance of heat pumps with an underground sensor.
FI96396C (en) * 1992-12-28 1996-06-25 Uponor Bv Process for forming a double-layered plastic tube for material transport and a double-layered plastic tube formed by the method
NL1004592C2 (en) 1996-11-22 1998-06-08 Spiro Research Bv Heat exchanger tube and manufacturing method therefor.
KR100441124B1 (en) * 2001-04-19 2004-07-21 핀튜브텍(주) Heat Exchanging Tube for Elevating Cooling Performence
WO2005068927A1 (en) * 2004-01-07 2005-07-28 Dow Global Technologies Inc. Method of manufacturing heat transfer tube
CN102519291A (en) * 2011-12-28 2012-06-27 英特换热设备(浙江)有限公司 Heat exchange tube
DE102014018817A1 (en) * 2014-12-19 2016-06-23 Schmöle GmbH Method for providing a finned tube body of a heat exchanger and finned tube coil
CN108534586A (en) * 2018-03-20 2018-09-14 河南新科隆电器有限公司 A kind of spiral fin coil and the KL type fin heat exchangers comprising it
CN109764707B (en) * 2019-03-14 2024-02-13 南京工程学院 Rotary telescopic detachable fin heat pipe
CN112496077B (en) * 2020-10-30 2022-07-22 太原理工大学 A method for continuous rolling and forming of metal clad pipes with horizontal and vertical cross inner corrugated joint surfaces
CN112439789B (en) * 2020-10-30 2022-08-12 太原理工大学 A kind of easy demoulding mandrel and forming method of metal composite pipe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR476643A (en) * 1913-12-15 1915-08-19 John Elder Mac Ilwaine Improvements in the bleaching of textiles and other substances
US1909005A (en) * 1930-06-16 1933-05-16 Wolverine Tube Company Method of making corrugated wall tubing
GB673885A (en) * 1950-05-17 1952-06-11 Calumet And Hecla Cons Copper Method of forming composite integral finned tubing
FR1309551A (en) * 1961-12-15 1962-11-16 Calumet & Hecla Leak detector tube and its manufacturing process
US3648502A (en) * 1970-03-04 1972-03-14 Trane Co Method and apparatus for forming a heat exchanger tube with closely spaced integral fins
US4337824A (en) * 1980-10-24 1982-07-06 Amtrol Double wall heat exchanger

Also Published As

Publication number Publication date
GB2109913A (en) 1983-06-08
AT385104B (en) 1988-02-25
FR2517044A1 (en) 1983-05-27
NL8203928A (en) 1983-06-16
GB2109913B (en) 1985-03-13
ATA411382A (en) 1987-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse