GB1339194A – Visual warning device for buried conduits
– Google Patents
GB1339194A – Visual warning device for buried conduits
– Google Patents
Visual warning device for buried conduits
Info
Publication number
GB1339194A
GB1339194A
GB3267671A
GB3267671A
GB1339194A
GB 1339194 A
GB1339194 A
GB 1339194A
GB 3267671 A
GB3267671 A
GB 3267671A
GB 3267671 A
GB3267671 A
GB 3267671A
GB 1339194 A
GB1339194 A
GB 1339194A
Authority
GB
United Kingdom
Prior art keywords
tube
indicating means
compartments
july
smoke
Prior art date
1970-07-13
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
GB3267671A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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.)
1970-07-13
Filing date
1971-07-12
Publication date
1973-11-28
1971-07-12
Application filed by Minnesota Mining and Manufacturing Co
filed
Critical
Minnesota Mining and Manufacturing Co
1973-11-28
Publication of GB1339194A
publication
Critical
patent/GB1339194A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
H02G9/00—Installations of electric cables or lines in or on the ground or water
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
F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
F16L1/06—Accessories therefor, e.g. anchors
F16L1/11—Accessories therefor, e.g. anchors for the detection or protection of pipes in the ground
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
F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
F17D—PIPE-LINE SYSTEMS; PIPE-LINES
F17D5/00—Protection or supervision of installations
F17D5/02—Preventing, monitoring, or locating loss
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
H02G9/00—Installations of electric cables or lines in or on the ground or water
H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
H02G9/025—Coverings therefor, e.g. tile
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S116/00—Signals and indicators
Y10S116/14—Tapes as carriers
Abstract
1339194 Indicating position of cables MINNESOTA MINING & MFG CO 12 July 1971 [13 July 1970] 32676/71 Heading H2C [Also in Division F2] A rupturable tube for burying alongside a conduit (5, Fig. 2, not shown) to give visual indication of the position of the conduit comprises inner and outer tubular layers 1 of flexible, corrosion-resistant plastics material, e.g. polyethylene, with an intermediate layer 2 of aluminium, and indicating means 3 contained in compartments, the length of the tube being at least fifty times its outside diameter. Upon rupture of the tube the indicating means 3 produces a visual signal in the form of smoke or flames which rise above the surface of the ground. The indicating means may be wholly a pyrophoric material, examples of which are given, or a pyrotechnic material, which may contain a vaporizable dye and/or some pyrophoric material, or it may be a material which produces smoke upon contact with surrounding moisture, e.g. titanium tetrachloride. The compartments may be hermetically sealed in which case a propellant such as sulphur dioxide may be included in the tube.
GB3267671A
1970-07-13
1971-07-12
Visual warning device for buried conduits
Expired
GB1339194A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US5410470A
1970-07-13
1970-07-13
Publications (1)
Publication Number
Publication Date
GB1339194A
true
GB1339194A
(en)
1973-11-28
Family
ID=21988838
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB3267671A
Expired
GB1339194A
(en)
1970-07-13
1971-07-12
Visual warning device for buried conduits
Country Status (5)
Country
Link
US
(1)
US3718113A
(en)
CA
(1)
CA944628A
(en)
DE
(1)
DE2134804B2
(en)
FR
(1)
FR2101605A5
(en)
GB
(1)
GB1339194A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN107671686A
(en)
*
2017-09-28
2018-02-09
东莞市佳顺达自动化精密机械有限公司
One kind efficiently clears off machine
Families Citing this family (11)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4549486A
(en)
*
1984-05-25
1985-10-29
The United States Of America As Represented By The Secretary Of The Army
Smoke canister
US4603326A
(en)
*
1984-09-14
1986-07-29
Ici Americas Inc.
Anti-theft detector responsive to a chemical agent
US4767237A
(en)
*
1986-08-26
1988-08-30
Minnesota Mining And Manufacturing Company
Marking tape with wire conductors and methods for use
US5685256A
(en)
*
1995-01-20
1997-11-11
Gas Research Institute
Set pressure sensing and verifying device
US5743031A
(en)
*
1996-02-23
1998-04-28
H&L Company
Digging hardware signaling apparatus
US6609855B1
(en)
*
2002-02-19
2003-08-26
At&T Corp.
Color-pigmented utility conveyance
EP2795237B1
(en)
2011-12-21
2017-02-22
Electrawatch, Inc.
A passive alarm to prevent buried infrastructure damage
WO2014081887A1
(en)
2012-11-20
2014-05-30
Spectrum Pharmaceuticals
Improved method for the preparation of liposome encapsulated vincristine for therapeutic use
US9244046B2
(en)
*
2012-12-03
2016-01-26
International Business Machines Corporation
System for preventing undue bending of cables
CA3025836A1
(en)
*
2016-05-31
2017-12-07
Eas,Ip, Llc
Smoketape
CA3036347A1
(en)
*
2016-09-08
2018-03-15
Eas Ip, Llc
Signal tape
1970
1970-07-13
US
US00054104A
patent/US3718113A/en
not_active
Expired – Lifetime
1971
1971-07-12
CA
CA117,999A
patent/CA944628A/en
not_active
Expired
1971-07-12
FR
FR7125536A
patent/FR2101605A5/fr
not_active
Expired
1971-07-12
DE
DE2134804A
patent/DE2134804B2/en
active
Granted
1971-07-12
GB
GB3267671A
patent/GB1339194A/en
not_active
Expired
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN107671686A
(en)
*
2017-09-28
2018-02-09
东莞市佳顺达自动化精密机械有限公司
One kind efficiently clears off machine
Also Published As
Publication number
Publication date
CA944628A
(en)
1974-04-02
FR2101605A5
(en)
1972-03-31
DE2134804C3
(en)
1974-05-22
DE2134804B2
(en)
1973-10-25
DE2134804A1
(en)
1972-09-07
US3718113A
(en)
1973-02-27
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Legal Events
Date
Code
Title
Description
1974-04-10
PS
Patent sealed [section 19, patents act 1949]
1976-02-11
PLNP
Patent lapsed through nonpayment of renewal fees
