FR2550845B1 - Appareil de signalisation du passage d'un piston racleur dans une canalisation - Google Patents

Appareil de signalisation du passage d'un piston racleur dans une canalisation

Info

Publication number
FR2550845B1
FR2550845B1 FR8412816A FR8412816A FR2550845B1 FR 2550845 B1 FR2550845 B1 FR 2550845B1 FR 8412816 A FR8412816 A FR 8412816A FR 8412816 A FR8412816 A FR 8412816A FR 2550845 B1 FR2550845 B1 FR 2550845B1
Authority
FR
France
Prior art keywords
signaling
pipeline
passing
scraper piston
scraper
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
FR8412816A
Other languages
English (en)
French (fr)
Other versions
FR2550845A1 (fr
Inventor
Gene Randolph Ralls
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.)
WILLIAMSON Inc T
Original Assignee
WILLIAMSON Inc T
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 WILLIAMSON Inc T filed Critical WILLIAMSON Inc T
Publication of FR2550845A1 publication Critical patent/FR2550845A1/fr
Application granted granted Critical
Publication of FR2550845B1 publication Critical patent/FR2550845B1/fr
Expired legal-status Critical Current

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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/48—Indicating the position of the pig or mole in the pipe or conduit

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Cleaning In General (AREA)
  • Sampling And Sample Adjustment (AREA)
FR8412816A 1983-08-15 1984-08-14 Appareil de signalisation du passage d'un piston racleur dans une canalisation Expired FR2550845B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52311883A 1983-08-15 1983-08-15

Publications (2)

Publication Number Publication Date
FR2550845A1 FR2550845A1 (fr) 1985-02-22
FR2550845B1 true FR2550845B1 (fr) 1988-05-27

Family

ID=24083738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8412816A Expired FR2550845B1 (fr) 1983-08-15 1984-08-14 Appareil de signalisation du passage d'un piston racleur dans une canalisation

Country Status (7)

Country Link
AU (1) AU573752B2 (enrdf_load_stackoverflow)
BE (1) BE900362A (enrdf_load_stackoverflow)
CA (1) CA1235024A (enrdf_load_stackoverflow)
DE (1) DE3429782A1 (enrdf_load_stackoverflow)
FR (1) FR2550845B1 (enrdf_load_stackoverflow)
GB (1) GB2146476B (enrdf_load_stackoverflow)
NL (1) NL8402461A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68919101T2 (de) * 1988-03-17 1995-03-09 Koatsu Gas Hoan Kyokai Gasabschaltungsvorrichtung.
DE19654683A1 (de) * 1996-12-31 1998-07-02 Zubler Geraetebau Vorrichtung zur Überwachung einer Strömung
CN102000723A (zh) * 2010-09-14 2011-04-06 肇庆市骏驰科技有限公司 汽车管路多凸台成型装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698363A (en) * 1953-11-12 1954-12-28 Shell Dev Pipe line indicator for scrapers
US3058361A (en) * 1959-04-24 1962-10-16 Resonated Products Inc Reciprocatory apparatus and energy exchangers therefor
US3109410A (en) * 1959-12-24 1963-11-05 Williamson Inc T Passage indicator for pipeline scrapers and the like
GB974014A (en) * 1962-07-06 1964-11-04 Gen Descaling Co Ltd Improvements in or relating to pipeline pig and sphere locating devices
GB1044058A (en) * 1962-07-06 1966-09-28 Gen Descaling Co Ltd Improvements in or relating to pipe line pig or sphere locating devices
US3327677A (en) * 1966-06-16 1967-06-27 William R King Pipeline pig signalling device
US3848244A (en) * 1972-07-10 1974-11-12 J Goodwin Water skier{40 s safety device

Also Published As

Publication number Publication date
CA1235024A (en) 1988-04-12
AU573752B2 (en) 1988-06-23
DE3429782C2 (enrdf_load_stackoverflow) 1992-07-02
GB2146476A (en) 1985-04-17
DE3429782A1 (de) 1985-02-28
FR2550845A1 (fr) 1985-02-22
NL8402461A (nl) 1985-03-01
BE900362A (fr) 1984-12-03
GB2146476B (en) 1987-01-28
GB8419735D0 (en) 1984-09-05
AU3162784A (en) 1985-02-21

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse