FI70748C - Fjaerrvaermeroer - Google Patents

Fjaerrvaermeroer Download PDF

Info

Publication number
FI70748C
FI70748C FI800790A FI800790A FI70748C FI 70748 C FI70748 C FI 70748C FI 800790 A FI800790 A FI 800790A FI 800790 A FI800790 A FI 800790A FI 70748 C FI70748 C FI 70748C
Authority
FI
Finland
Prior art keywords
foam
metal tube
layer
tube
water
Prior art date
Application number
FI800790A
Other languages
English (en)
Finnish (fi)
Other versions
FI800790A (fi
FI70748B (fi
Inventor
Hans Blom
Leif Wiberg
Original Assignee
Blom H
Leif Wiberg
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 Blom H, Leif Wiberg filed Critical Blom H
Publication of FI800790A publication Critical patent/FI800790A/fi
Application granted granted Critical
Publication of FI70748B publication Critical patent/FI70748B/fi
Publication of FI70748C publication Critical patent/FI70748C/fi

Links

Classifications

    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/143—Pre-insulated pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
    • G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Control Of Resistance Heating (AREA)
  • Pipe Accessories (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Resistance Heating (AREA)
  • Thermal Insulation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Laminated Bodies (AREA)
FI800790A 1979-09-05 1980-03-14 Fjaerrvaermeroer FI70748C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7907400 1979-09-05
SE7907400A SE424359B (sv) 1979-09-05 1979-09-05 Anordning for brottindikering vid fjerrvermeror

Publications (3)

Publication Number Publication Date
FI800790A FI800790A (fi) 1981-03-06
FI70748B FI70748B (fi) 1986-06-26
FI70748C true FI70748C (fi) 1986-10-06

Family

ID=20338765

Family Applications (1)

Application Number Title Priority Date Filing Date
FI800790A FI70748C (fi) 1979-09-05 1980-03-14 Fjaerrvaermeroer

Country Status (10)

Country Link
US (1) US4288654A (nl)
BE (1) BE882379A (nl)
CA (1) CA1143671A (nl)
DE (1) DE3010279A1 (nl)
DK (1) DK149697C (nl)
FI (1) FI70748C (nl)
GB (1) GB2058279B (nl)
NL (1) NL8002145A (nl)
NO (1) NO148122C (nl)
SE (1) SE424359B (nl)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589275A (en) * 1982-04-16 1986-05-20 The Kendall Company Pipe coating
US4673652A (en) * 1982-10-12 1987-06-16 Baker Oil Tools, Inc. Method of testing and reconditioning insulating tubular conduits
GB8301666D0 (en) * 1983-01-21 1983-02-23 Hotfoil Ltd Temperature sensor
US5382909A (en) * 1983-06-30 1995-01-17 Raychem Corporation Method for detecting and obtaining information about changes in variables
US5015958A (en) * 1983-06-30 1991-05-14 Raychem Corporation Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors
US4673926A (en) * 1985-02-12 1987-06-16 Gorman Walter T Liquid containment and leak detection system
ATE86040T1 (de) * 1985-06-12 1993-03-15 Raychem Corp Kohlenwasserstoffsensor.
GB2201219A (en) * 1987-02-19 1988-08-24 James Wallace Pollitt A system to detect contents release from pipes, tanks or valves
AT388430B (de) * 1987-05-06 1989-06-26 Scheuermann Herbert Dipl Ing Vorrichtung zur feststellung und ortung von leckstellen in einer ein feuchtes medium fuehrenden rohrleitung
DE3811454A1 (de) * 1988-04-06 1989-10-19 Thyssen Industrie Erdverlegte rohrleitung, insbesondere fuer abwaesser
US5172730A (en) * 1989-07-03 1992-12-22 Insituform Of North American, Inc. Two-wall leakage detection system for a pipe
DE4104216A1 (de) * 1991-02-12 1992-08-13 Bernd Brandes Leitungsrohr zum transport eines mediums
US5148864A (en) * 1991-06-17 1992-09-22 Camco International Inc. High pressure electrical cable packoff and method of making
JPH06508691A (ja) * 1991-06-26 1994-09-29 ヴエー・エル・ゴーレ　ウント　アソシエイツ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 気体及び／又は液体を通す配管
DE4124640C2 (de) * 1991-07-25 1999-02-25 Bernd Brandes Rohrleitungssystem
US5203202A (en) * 1992-02-25 1993-04-20 W. L. Gore & Associates, Inc. Apparatus for detecting leaks in circuits
US5504433A (en) * 1992-10-23 1996-04-02 International Fuel Cells Corporation Electrochemical sensor for monitoring electrolyte content
US5402828A (en) * 1993-05-04 1995-04-04 Pino; Richard Closure device with dual-mandrel-acutated peripheral seal
DE19618370C1 (de) * 1996-05-09 1997-08-21 Gesundheitstechnik Anton Kastn Verfahren zur Herstellung eines wärmegedämmten Rohrabschnittes für eine Rohrleitung sowie Rohrabschnitt
GB9907557D0 (en) * 1999-04-06 1999-05-26 Stb Eng Ltd Wear-warning device
US6748968B1 (en) 2000-06-16 2004-06-15 Arichell Technologies, Inc. Method and apparatus for combined conduit/electrical-conductor junction installation
EP1716361A1 (en) * 2003-12-03 2006-11-02 Taylor McLaren Limited Water ingress detection system
DE202004014411U1 (de) * 2004-09-16 2004-11-18 Brugg Rohr Ag, Holding Einrichtung zur Lecküberwachung und Leckmeldung
KR20110082013A (ko) * 2008-10-24 2011-07-15 넥쌍 수분 감지 와이어, 수분 감지 시스템, 및 수분 감지 방법
FR2977938B1 (fr) * 2011-07-13 2014-04-11 Airbus Operations Sas Conduit d'air chaud sous pression d'un aeronef equipe d'un dispositif de detection d'une fuite
CN103672282A (zh) * 2013-12-13 2014-03-26 哈尔滨朗格斯特节能科技有限公司 预制直埋保温管安装报警线模具及其安装报警线方法
CN104295845A (zh) * 2014-09-26 2015-01-21 哈尔滨朗格斯特节能科技有限公司 智能预制直埋保温管交联聚乙烯工作管件弯头及制作方法
CN104455878A (zh) * 2014-10-08 2015-03-25 哈尔滨朗格斯特节能科技有限公司 智能预制直埋保温管工作钢管双管管件弯头及制作方法
CN104455939B (zh) * 2014-10-31 2016-08-17 哈尔滨朗格斯特节能科技有限公司 交联聚乙烯保温管跨越三通报警线固定装置及固定方法
CN104482358B (zh) * 2014-10-31 2017-09-29 哈尔滨朗格斯特节能科技有限公司 智能保温钢管双管异径三通报警线固定装置及固定方法
CN104373685B (zh) * 2014-10-31 2017-10-13 哈尔滨朗格斯特节能科技有限公司 智能预制直埋保温管钢管双管跨越三通的报警线的固定方法
CN104373688A (zh) * 2014-10-31 2015-02-25 哈尔滨朗格斯特节能科技有限公司 预制直埋保温管工作钢管双管及制作方法
CN104373730A (zh) * 2014-10-31 2015-02-25 哈尔滨朗格斯特节能科技有限公司 智能预制直埋保温管双管弯头报警线固定装置及固定方法
CN104373773B (zh) * 2014-10-31 2018-01-26 哈尔滨朗格斯特节能科技有限公司 智能预制直埋交联聚乙烯保温管管件弯头报警线固定方法
CN104373687B (zh) * 2014-10-31 2017-11-24 哈尔滨朗格斯特节能科技有限公司 智能保温管交联聚乙烯双管平行三通的报警线的固定方法
CN104653932B (zh) * 2014-10-31 2018-01-26 哈尔滨朗格斯特节能科技有限公司 智能预制直埋交联聚乙烯保温管双管弯头报警线固定方法
CN104373689B (zh) * 2014-10-31 2018-01-26 哈尔滨朗格斯特节能科技有限公司 交联聚乙烯保温管异径三通报警线固定装置及固定方法
CN104373774B (zh) * 2014-10-31 2016-08-17 哈尔滨朗格斯特节能科技有限公司 智能预制直埋保温管交联聚乙烯变径管件报警线固定方法
CN104373677A (zh) * 2014-10-31 2015-02-25 哈尔滨朗格斯特节能科技有限公司 具有交联聚乙烯变径工作管件的预制直埋保温管及制法
CN104373749A (zh) * 2014-10-31 2015-02-25 哈尔滨朗格斯特节能科技有限公司 预制直埋防腐管道及安装方法
CN104373690A (zh) * 2014-10-31 2015-02-25 哈尔滨朗格斯特节能科技有限公司 交联聚乙烯保温管平行三通报警线固定装置及固定方法
CN104482309A (zh) * 2014-10-31 2015-04-01 哈尔滨朗格斯特节能科技有限公司 智能预制保温双管平行三通报警线固定装置及固定方法
CN104358933A (zh) * 2014-11-05 2015-02-18 哈尔滨朗格斯特节能科技有限公司 智能预制直埋双管保温管报警线固定装置及固定方法
CN104358934B (zh) * 2014-11-05 2018-05-29 哈尔滨朗格斯特节能科技有限公司 聚乙烯双管保温管跨越三通报警线固定装置及固定方法
US10481099B2 (en) * 2015-07-02 2019-11-19 Exxonmobil Upstream Research Company Detecting moisture proximate to insulation
CN110375206B (zh) * 2019-07-04 2021-02-12 西安理工大学 基于glt及opt方法的供热管网运行状态监测方法
CN115979923B (zh) * 2023-03-20 2023-06-27 中国有色金属工业昆明勘察设计研究院有限公司 一种尾矿库渗透破坏模拟试验装置及试验方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7304986U (de) * 1974-08-08 Nils Oestbo Ab Vorrichtung zum Nachweisen des Vorhandenseins und der Lage von Leckstellen bei Ölleitungen
DE579184C (de) * 1931-04-08 1933-06-22 Berthold Jenewein Dr Ing Feuchtigkeitsanzeigevorrichtung fuer Isolierungen
US2360434A (en) * 1943-07-29 1944-10-17 Dennis J Manning Leak-locating apparatus
FR1377519A (fr) * 1963-09-25 1964-11-06 Procédé de détection des fuites d'une conduite de liquide et dispositif pour l'application de ce procédé
US4013924A (en) * 1970-03-19 1977-03-22 A/S E. Rasmussen Methods and means for detecting the presence of moisture adjacent insulated pipes
SU612102A1 (ru) * 1972-05-30 1978-06-25 Войсковая Часть 11284 Устройство обнаружени утечек в трубопроводах дл жидкости
GB1455415A (en) * 1973-03-26 1976-11-10 Rasmussen As E Insulated pipe system having means for detection of moisture in the insulation thereof
DE2640161A1 (de) * 1976-09-07 1978-03-16 Bernd Brandes Fluessigkeits- oder gastransportkabel
DE7833398U1 (de) * 1978-11-10 1979-04-05 Kabel Und Metallwerke Gutchoff Waermeisoliertes Leitungsrohr

Also Published As

Publication number Publication date
GB2058279A (en) 1981-04-08
BE882379A (fr) 1980-07-16
GB2058279B (en) 1983-10-12
CA1143671A (en) 1983-03-29
FI800790A (fi) 1981-03-06
NO801274L (no) 1981-03-06
NO148122C (no) 1983-08-10
FI70748B (fi) 1986-06-26
SE7907400L (sv) 1981-03-06
DK149697C (da) 1987-03-16
DK149697B (da) 1986-09-08
SE424359B (sv) 1982-07-12
NL8002145A (nl) 1981-03-09
NO148122B (no) 1983-05-02
DE3010279A1 (de) 1981-04-02
US4288654A (en) 1981-09-08
DE3010279C2 (nl) 1988-07-14
DK257880A (da) 1981-03-06

Similar Documents

Publication Publication Date Title
FI70748C (fi) Fjaerrvaermeroer
DE3687819D1 (de) Kohlenwasserstoffsensor.
ATE33728T1 (de) Elektrischer isolator.
GB2127976B (en) High pressure electrical conductivity probe
AR229355A1 (es) Conector electrico para conductor aislado
SE442783B (sv) Kapacitiv metverdesupptagare
NO157758C (no) Fremgangsmaate og innretning for deteksjon av jordfeil i nett for distribusjon av elektrisk kraft.
ES510375A0 (es) "un dispositivo de conectador electrico para alambres no despojados previamente de su aislamiento".
SE8504066L (sv) Sond for overvakning av korrosionen hos stalarmeringselement i en betongkropp
SE8406290L (sv) Avkennare for korrosiva fororeningar
MX152125A (es) Mejoras en sistema para puntear fallas en redes electricas
NO844685L (no) Anordning for beskyttelse av elektriske undervannskontakter mot inntrengning av sjoevann.
ATE22983T1 (de) Elektrische trennstelle.
GB2131550B (en) Electrical resistance corrosion probe
BR8101393A (pt) Contacto eletrico e conector eletrico
JPS57138705A (en) Power cable immersed with insulating fluid
IT8221012A0 (it) Cavo elettrico impregnato con fluido isolante.
DE3267165D1 (en) Polystyrene with high electrical conductivity
KR880011969A (ko) 원자력 보일러의 원자로 건물내에서의 무기물- 절연 전기 케이블 접속방법
JPS5712042A (en) Composition for electrical insulation
JPS534878A (en) Measuring void in submarine coaxial cable
SU1712465A1 (ru) Электрод анодного заземлени
GB2092818B (en) Non-aqueous cell with fluid cathode depolarizer and corrodible cathode
JPS57124848A (en) Organic electrolyte battery
Masia et al. Corrosion Protection System

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: WIBERG, LEIF

Owner name: BLOM, HANS