CA1235024A - Flag-type pig-sig - Google Patents

Flag-type pig-sig

Info

Publication number
CA1235024A
CA1235024A CA000460940A CA460940A CA1235024A CA 1235024 A CA1235024 A CA 1235024A CA 000460940 A CA000460940 A CA 000460940A CA 460940 A CA460940 A CA 460940A CA 1235024 A CA1235024 A CA 1235024A
Authority
CA
Canada
Prior art keywords
shaft
pipeline
arm
actuator plate
plunger rod
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
CA000460940A
Other languages
English (en)
French (fr)
Inventor
Gene R. 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.)
TD Williamson Inc
Original Assignee
TD Williamson Inc
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 TD Williamson Inc filed Critical TD Williamson Inc
Application granted granted Critical
Publication of CA1235024A publication Critical patent/CA1235024A/en
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)
  • Sampling And Sample Adjustment (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Cleaning In General (AREA)
CA000460940A 1983-08-15 1984-08-14 Flag-type pig-sig Expired CA1235024A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52311883A 1983-08-15 1983-08-15
US523,118 1983-08-15

Publications (1)

Publication Number Publication Date
CA1235024A true CA1235024A (en) 1988-04-12

Family

ID=24083738

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000460940A Expired CA1235024A (en) 1983-08-15 1984-08-14 Flag-type pig-sig

Country Status (7)

Country Link
AU (1) AU573752B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE900362A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1235024A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3429782A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2550845B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2146476B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL8402461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0333161B1 (en) * 1988-03-17 1994-11-02 Matsushita Electric Industrial Co., Ltd. Gas shutoff apparatus
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
NL8402461A (nl) 1985-03-01
FR2550845B1 (fr) 1988-05-27
AU3162784A (en) 1985-02-21
GB8419735D0 (en) 1984-09-05
FR2550845A1 (fr) 1985-02-22
AU573752B2 (en) 1988-06-23
GB2146476B (en) 1987-01-28
GB2146476A (en) 1985-04-17
DE3429782A1 (de) 1985-02-28
DE3429782C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-02
BE900362A (fr) 1984-12-03

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Legal Events

Date Code Title Description
MKEX Expiry