GB1215388A - Improvements in electric cables - Google Patents
Improvements in electric cablesInfo
- Publication number
- GB1215388A GB1215388A GB49575/68A GB4957568A GB1215388A GB 1215388 A GB1215388 A GB 1215388A GB 49575/68 A GB49575/68 A GB 49575/68A GB 4957568 A GB4957568 A GB 4957568A GB 1215388 A GB1215388 A GB 1215388A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cable
- mineral insulated
- conductor
- cables
- conductors
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/16—Rigid-tube cables
Landscapes
- Insulated Conductors (AREA)
Abstract
1,215,388. Insulated cables. PYROTENAX Ltd. 17 Oct., 1969 [18 Oct., 1968], No. 49575/68. Heading H1A. An electric power (or communication) cable incorporates a mineral insulated cable 25 of a smaller cross-section than the main cable, a conductor or conductors of the mineral insulated cable carrying a signal other than the normal load of the main cable. A cable such as shown may have as part of the armouring 24, or of a concentric screen or neutral conductor comprising wires, mineral insulated cables 25 having the same external diameter and appearance as other wires. Fig. 3 (not shown) indicates mineral insulated cables (15) distributed in the plastics sheath (13) of a cable. In Fig. 5 (not shown) a multi-core cable has as one core (35) a mineral insulated cable having one or more conductors for carrying an alarm signal or other auxiliary signal. The mechanical strength of each mineral insulated cable is such that it can be incorporated in the cable by normal machinery. The sheath (43) of mineral insulated cable (35) may be used as a neutral or earth continuity conductor.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB49575/68A GB1215388A (en) | 1968-10-18 | 1968-10-18 | Improvements in electric cables |
US00163060A US3789130A (en) | 1968-10-18 | 1969-10-10 | Tamper proof electrical cables |
DE19691952157 DE1952157A1 (en) | 1968-10-18 | 1969-10-16 | Electric power or telecommunication cable |
SE6914261A SE370808B (en) | 1968-10-18 | 1969-10-17 | |
FR6935662A FR2021015A1 (en) | 1968-10-18 | 1969-10-17 | |
CA065,131A CA941918A (en) | 1968-10-18 | 1969-10-17 | Electric cables |
GB1322905D GB1322905A (en) | 1968-10-18 | 1970-02-27 | Electric cables |
FR7106805A FR2081056B2 (en) | 1968-10-18 | 1971-02-26 | |
DE19712109349 DE2109349A1 (en) | 1968-10-18 | 1971-02-27 | Electric power or telecommunication cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB49575/68A GB1215388A (en) | 1968-10-18 | 1968-10-18 | Improvements in electric cables |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1215388A true GB1215388A (en) | 1970-12-09 |
Family
ID=10452798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB49575/68A Expired GB1215388A (en) | 1968-10-18 | 1968-10-18 | Improvements in electric cables |
Country Status (6)
Country | Link |
---|---|
US (1) | US3789130A (en) |
CA (1) | CA941918A (en) |
DE (1) | DE1952157A1 (en) |
FR (1) | FR2021015A1 (en) |
GB (1) | GB1215388A (en) |
SE (1) | SE370808B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2615311B2 (en) * | 1976-04-06 | 1979-06-28 | Aeg-Telefunken Kabelwerke Ag, Rheydt, 4050 Moenchengladbach | Overhead cable with communication core |
US4085653A (en) * | 1976-09-15 | 1978-04-25 | General Electric Company | Ignition device |
US4665281A (en) * | 1985-03-11 | 1987-05-12 | Kamis Anthony G | Flexible tubing cable system |
US4937401A (en) * | 1989-01-05 | 1990-06-26 | Noel Lee | Signal cable assembly including bundles of wire strands of different gauges |
US4910360A (en) * | 1989-01-05 | 1990-03-20 | Noel Lee | Cable assembly having an internal dielectric core surrounded by a conductor |
FR2662006A1 (en) * | 1990-05-11 | 1991-11-15 | Thermocoax Cie | DEVICE FOR DETECTING DATA RELATING TO THE PASSAGE OF VEHICLES ON A PAVEMENT. |
US5558794A (en) * | 1991-08-02 | 1996-09-24 | Jansens; Peter J. | Coaxial heating cable with ground shield |
WO2001013438A1 (en) * | 1999-08-16 | 2001-02-22 | Temperature Management Systems (Proprietary) Limited | Metallurgical thermocouple |
US7796036B2 (en) * | 2006-11-30 | 2010-09-14 | Honeywell International Inc. | Secure connector with integrated tamper sensors |
US8279075B2 (en) * | 2006-11-30 | 2012-10-02 | Honeywell International Inc. | Card slot anti-tamper protection system |
US7973672B2 (en) * | 2007-10-19 | 2011-07-05 | The Southern Company | Fallen conductor warning system having a disruption assembly |
GB2460697B (en) * | 2008-06-06 | 2010-09-29 | Weston Aerospace Ltd | High temperature speed or proximity sensor |
US20110187531A1 (en) * | 2009-12-14 | 2011-08-04 | Apple Inc. | Systems and methods for securing handheld electronic devices |
EP2579278B1 (en) | 2011-10-07 | 2015-03-11 | Nexans | Anti-theft cable |
FR3005524B1 (en) * | 2013-05-07 | 2017-10-27 | Commissariat Energie Atomique | OVERLAY FOR COVERING AN OBJECT, IN PARTICULAR A CABLE, FOR DETECTION AND / OR LOCATION OF A DEFECT ON ITS SURFACE |
ES2522905B1 (en) * | 2013-05-16 | 2015-08-26 | Pedro Benito BERRIOBEÑA CELORRIO | Method and system for detecting the theft of an electric cable |
EP2937872B1 (en) * | 2014-04-22 | 2018-07-04 | Nexans | Cable for railway systems |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL39710C (en) * | 1934-03-14 | |||
US2243851A (en) * | 1940-06-06 | 1941-06-03 | Bell Telephone Labor Inc | Wire line transmission |
US2341235A (en) * | 1941-06-23 | 1944-02-08 | Gen Cable Corp | Insulated electrical conductor and method of manufacture |
US2912600A (en) * | 1958-05-19 | 1959-11-10 | Hans D Isenberg | Tamper protective system and cable for use therein |
US3160871A (en) * | 1962-04-02 | 1964-12-08 | Gen Cable Corp | Tap-proof security communications cable |
CA941919A (en) * | 1970-02-27 | 1974-02-12 | Pyrotenax Limited | Electric cables |
-
1968
- 1968-10-18 GB GB49575/68A patent/GB1215388A/en not_active Expired
-
1969
- 1969-10-10 US US00163060A patent/US3789130A/en not_active Expired - Lifetime
- 1969-10-16 DE DE19691952157 patent/DE1952157A1/en active Pending
- 1969-10-17 FR FR6935662A patent/FR2021015A1/fr not_active Withdrawn
- 1969-10-17 CA CA065,131A patent/CA941918A/en not_active Expired
- 1969-10-17 SE SE6914261A patent/SE370808B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1952157A1 (en) | 1970-04-30 |
FR2021015A1 (en) | 1970-07-17 |
US3789130A (en) | 1974-01-29 |
CA941918A (en) | 1974-02-12 |
SE370808B (en) | 1974-10-28 |
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