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GB1470504A - Articles for electrical use - Google Patents

Articles for electrical use

Info

Publication number
GB1470504A
GB1470504A GB4972576A GB4972576A GB1470504A GB 1470504 A GB1470504 A GB 1470504A GB 4972576 A GB4972576 A GB 4972576A GB 4972576 A GB4972576 A GB 4972576A GB 1470504 A GB1470504 A GB 1470504A
Authority
GB
United Kingdom
Prior art keywords
compounds
crystal structure
march
spinel
spinel crystal
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
Application number
GB4972576A
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.)
Raychem Ltd
Original Assignee
Raychem 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 Raychem Ltd filed Critical Raychem Ltd
Priority to GB4972576A priority Critical patent/GB1470504A/en
Publication of GB1470504A publication Critical patent/GB1470504A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002—Inhomogeneous material in general
    • H01B3/006—Other inhomogeneous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/002—Inhomogeneous material in general
    • H01B3/004—Inhomogeneous material in general with conductive additives or conductive layers
    • 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
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress
    • H02G15/068—Cable terminating boxes, frames or other structures with devices for relieving electrical stress connected to the cable shield only

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)

Abstract

1470504 Recoverable articles RAYCHEM Ltd 19 March 1974 [20 March 1973] 49725/76 Divided out of 1470501 Heading C3P [Also in Division H2] Recoverable articles comprise a polymeric material having dispersed therein a particulate filler selected from (a) compounds having a perovskite type crystal structure; (b) compounds having a spinel crystal structure other than γ-Fe 2 O 3 and spinel itself; (c) compounds having an inverse spinel crystal structure; (d) compounds having a mixed spinel crystal structure; (e) dichalcogenides of transition metals and tin; (f) AgI, Prussian blue, Rochelle salt and other alkali metal tartrates, compounds of formula XH 2 YO 4 where X is K, Rb or Cs and Y is P or As, ammonium fluoroberyllate, thiourea, ammonium sulphate and triglycine sulphate; and (g) Si 3 N 4 ; the compositions containing at least 10% of the particulate filler based on the weight of polymeric material, and having a γ-value of at least 1À5 at least at some direct current stress between 0À01 kV/mm. and 10 kV/mm. The compositions may also contain finely divided electrically conductive fillers and/or silicon carbide, and may be made into mechanically or heat recoverable tubes and sleeves.
GB4972576A 1974-03-19 1974-03-19 Articles for electrical use Expired GB1470504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4972576A GB1470504A (en) 1974-03-19 1974-03-19 Articles for electrical use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4972576A GB1470504A (en) 1974-03-19 1974-03-19 Articles for electrical use

Publications (1)

Publication Number Publication Date
GB1470504A true GB1470504A (en) 1977-04-14

Family

ID=10453330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4972576A Expired GB1470504A (en) 1974-03-19 1974-03-19 Articles for electrical use

Country Status (1)

Country Link
GB (1) GB1470504A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545084A1 (en) * 1974-10-08 1976-04-29 Raychem Ltd ITEM REQUIRED BY HEAT
DE2937253A1 (en) * 1978-09-14 1980-03-27 Raychem Ltd PROTECTIVE SLEEVE FOR SHIELDED CABLE TERMINALS OR SPLICKS OR THE CONNECTIONS BETWEEN SHIELDED ELECTRICAL CABLES AND METHOD FOR THEIR PRODUCTION
US4390745A (en) 1978-12-01 1983-06-28 Raychem Gmbh Enclosures for electrical apparatus, cable and enclosure combinations, and kits and methods for their construction
EP0121986A1 (en) * 1983-02-08 1984-10-17 Raychem Gmbh Electrical stress control
GB2181142A (en) * 1985-09-27 1987-04-15 Dsg Schrumpfschlauch Gmbh Improvements relating to heat shrink tubing
GB2189949A (en) * 1986-04-30 1987-11-04 Bowthorpe Hellermann Ltd Insulation for terminating screened power cable
US10438717B2 (en) 2016-04-25 2019-10-08 Eaton Intelligent Power Limited Elastomer composites with high dielectric constant

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545084A1 (en) * 1974-10-08 1976-04-29 Raychem Ltd ITEM REQUIRED BY HEAT
DE2937253A1 (en) * 1978-09-14 1980-03-27 Raychem Ltd PROTECTIVE SLEEVE FOR SHIELDED CABLE TERMINALS OR SPLICKS OR THE CONNECTIONS BETWEEN SHIELDED ELECTRICAL CABLES AND METHOD FOR THEIR PRODUCTION
US4383131A (en) 1978-09-14 1983-05-10 Raychem Limited Shielded electrical cable joints and terminations and sleeve and method for forming same
US4390745A (en) 1978-12-01 1983-06-28 Raychem Gmbh Enclosures for electrical apparatus, cable and enclosure combinations, and kits and methods for their construction
EP0121986A1 (en) * 1983-02-08 1984-10-17 Raychem Gmbh Electrical stress control
US4738318A (en) * 1983-02-08 1988-04-19 Raychem Gmbh Electrical stress control
GB2181142A (en) * 1985-09-27 1987-04-15 Dsg Schrumpfschlauch Gmbh Improvements relating to heat shrink tubing
GB2189949A (en) * 1986-04-30 1987-11-04 Bowthorpe Hellermann Ltd Insulation for terminating screened power cable
US10438717B2 (en) 2016-04-25 2019-10-08 Eaton Intelligent Power Limited Elastomer composites with high dielectric constant
US11195637B2 (en) 2016-04-25 2021-12-07 Eaton Intelligent Power Limited Elastomer composites with high dielectric constant

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Legal Events

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

Effective date: 19930319