GB8608460D0 - Security devices - Google Patents

Security devices

Info

Publication number
GB8608460D0
GB8608460D0 GB868608460A GB8608460A GB8608460D0 GB 8608460 D0 GB8608460 D0 GB 8608460D0 GB 868608460 A GB868608460 A GB 868608460A GB 8608460 A GB8608460 A GB 8608460A GB 8608460 D0 GB8608460 D0 GB 8608460D0
Authority
GB
United Kingdom
Prior art keywords
security devices
security
devices
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
GB868608460A
Other versions
GB2185797B (en
GB2185797A (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.)
Marsden W L
Marsden W M
Original Assignee
Marsden W L
Marsden W M
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 Marsden W L, Marsden W M filed Critical Marsden W L
Publication of GB8608460D0 publication Critical patent/GB8608460D0/en
Priority to EP87300662A priority Critical patent/EP0235915A3/en
Priority to CA000528249A priority patent/CA1277873C/en
Priority to US07/007,667 priority patent/US4777901A/en
Publication of GB2185797A publication Critical patent/GB2185797A/en
Application granted granted Critical
Publication of GB2185797B publication Critical patent/GB2185797B/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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/005—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/007—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus comprising means to prevent fraud
GB8608460A 1986-01-28 1986-04-07 Security device Expired GB2185797B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP87300662A EP0235915A3 (en) 1986-01-28 1987-01-27 Security devices
CA000528249A CA1277873C (en) 1986-01-28 1987-01-27 Security devices
US07/007,667 US4777901A (en) 1986-01-28 1987-01-28 Security marking fluid device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868602086A GB8602086D0 (en) 1986-01-28 1986-01-28 Gas security block

Publications (3)

Publication Number Publication Date
GB8608460D0 true GB8608460D0 (en) 1986-05-14
GB2185797A GB2185797A (en) 1987-07-29
GB2185797B GB2185797B (en) 1989-12-06

Family

ID=10592096

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868602086A Pending GB8602086D0 (en) 1986-01-28 1986-01-28 Gas security block
GB8608460A Expired GB2185797B (en) 1986-01-28 1986-04-07 Security device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868602086A Pending GB8602086D0 (en) 1986-01-28 1986-01-28 Gas security block

Country Status (1)

Country Link
GB (2) GB8602086D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2221041A (en) * 1988-07-22 1990-01-24 Craig Taylor Security device for gas meter
GB2304843A (en) * 1995-09-08 1997-03-26 Kevin Christopher Weet Pipe coupling security seal

Also Published As

Publication number Publication date
GB2185797B (en) 1989-12-06
GB2185797A (en) 1987-07-29
GB8602086D0 (en) 1986-03-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee