GB8419735D0 - Flag-type pig-sig - Google Patents

Flag-type pig-sig

Info

Publication number
GB8419735D0
GB8419735D0 GB848419735A GB8419735A GB8419735D0 GB 8419735 D0 GB8419735 D0 GB 8419735D0 GB 848419735 A GB848419735 A GB 848419735A GB 8419735 A GB8419735 A GB 8419735A GB 8419735 D0 GB8419735 D0 GB 8419735D0
Authority
GB
United Kingdom
Prior art keywords
sig
flag
type pig
pig
type
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.)
Granted
Application number
GB848419735A
Other versions
GB2146476B (en
GB2146476A (en
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 GB8419735D0 publication Critical patent/GB8419735D0/en
Publication of GB2146476A publication Critical patent/GB2146476A/en
Priority to GB08519458A priority Critical patent/GB2162566B/en
Application granted granted Critical
Publication of GB2146476B publication Critical patent/GB2146476B/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)
  • Cleaning In General (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Sampling And Sample Adjustment (AREA)
GB08419735A 1983-08-15 1984-08-02 Flag-type pipeline pig signaller Expired GB2146476B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08519458A GB2162566B (en) 1984-08-02 1985-08-02 Light reflecting devices

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8419735D0 true GB8419735D0 (en) 1984-09-05
GB2146476A GB2146476A (en) 1985-04-17
GB2146476B GB2146476B (en) 1987-01-28

Family

ID=24083738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08419735A Expired GB2146476B (en) 1983-08-15 1984-08-02 Flag-type pipeline pig signaller

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68919101T2 (en) * 1988-03-17 1995-03-09 Matsushita Electric Ind Co Ltd Gas shut-off device.
DE19654683A1 (en) * 1996-12-31 1998-07-02 Zubler Geraetebau System for monitoring flow taking along objects especially labels in suction system
CN102000723A (en) * 2010-09-14 2011-04-06 肇庆市骏驰科技有限公司 Multi-boss molding device for automotive pipeline

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
GB1044058A (en) * 1962-07-06 1966-09-28 Gen Descaling Co Ltd Improvements in or relating to pipe line pig or sphere locating devices
GB974014A (en) * 1962-07-06 1964-11-04 Gen Descaling Co Ltd Improvements in or relating to pipeline pig and 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
DE3429782C2 (en) 1992-07-02
FR2550845B1 (en) 1988-05-27
BE900362A (en) 1984-12-03
FR2550845A1 (en) 1985-02-22
GB2146476B (en) 1987-01-28
AU573752B2 (en) 1988-06-23
NL8402461A (en) 1985-03-01
DE3429782A1 (en) 1985-02-28
CA1235024A (en) 1988-04-12
AU3162784A (en) 1985-02-21
GB2146476A (en) 1985-04-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920802