GB8616726D0 - Signalling device - Google Patents

Signalling device

Info

Publication number
GB8616726D0
GB8616726D0 GB868616726A GB8616726A GB8616726D0 GB 8616726 D0 GB8616726 D0 GB 8616726D0 GB 868616726 A GB868616726 A GB 868616726A GB 8616726 A GB8616726 A GB 8616726A GB 8616726 D0 GB8616726 D0 GB 8616726D0
Authority
GB
United Kingdom
Prior art keywords
signalling device
signalling
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
GB868616726A
Other versions
GB2178819B (en
GB2178819A (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.)
International Pipeline Products Ltd
Original Assignee
International Pipeline Products Ltd
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 International Pipeline Products Ltd filed Critical International Pipeline Products Ltd
Publication of GB8616726D0 publication Critical patent/GB8616726D0/en
Publication of GB2178819A publication Critical patent/GB2178819A/en
Application granted granted Critical
Publication of GB2178819B publication Critical patent/GB2178819B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/02—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using only mechanical transmission
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
GB8616726A 1985-07-25 1986-07-09 Signalling device for mounting on a pipeline Expired GB2178819B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858518779A GB8518779D0 (en) 1985-07-25 1985-07-25 Signalling device

Publications (3)

Publication Number Publication Date
GB8616726D0 true GB8616726D0 (en) 1986-08-13
GB2178819A GB2178819A (en) 1987-02-18
GB2178819B GB2178819B (en) 1989-08-09

Family

ID=10582838

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858518779A Pending GB8518779D0 (en) 1985-07-25 1985-07-25 Signalling device
GB8616726A Expired GB2178819B (en) 1985-07-25 1986-07-09 Signalling device for mounting on a pipeline

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858518779A Pending GB8518779D0 (en) 1985-07-25 1985-07-25 Signalling device

Country Status (1)

Country Link
GB (2) GB8518779D0 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2035503B (en) * 1978-11-14 1982-11-03 Gen Descaling Co Ltd Pig signaller

Also Published As

Publication number Publication date
GB2178819B (en) 1989-08-09
GB2178819A (en) 1987-02-18
GB8518779D0 (en) 1985-08-29

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20060708