GB1365895A - Electric cable semiconducting sheet material - Google Patents

Electric cable semiconducting sheet material

Info

Publication number
GB1365895A
GB1365895A GB5405973A GB5405973A GB1365895A GB 1365895 A GB1365895 A GB 1365895A GB 5405973 A GB5405973 A GB 5405973A GB 5405973 A GB5405973 A GB 5405973A GB 1365895 A GB1365895 A GB 1365895A
Authority
GB
United Kingdom
Prior art keywords
paper
sheet
sheet material
electric cable
semi
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
GB5405973A
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.)
Pirelli General Cable Works Ltd
Pirelli General Cable Works
Original Assignee
Pirelli General Cable Works Ltd
Pirelli General Cable Works
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 Pirelli General Cable Works Ltd, Pirelli General Cable Works filed Critical Pirelli General Cable Works Ltd
Priority to GB5405973A priority Critical patent/GB1365895A/en
Publication of GB1365895A publication Critical patent/GB1365895A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/027—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of semi-conducting 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
    • 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
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H02G15/103—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes with devices for relieving electrical stress
    • H02G15/105—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes with devices for relieving electrical stress connected to the cable shield only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment

Abstract

1365895 Paper PIRELLI GENERAL CABLE WORKS Ltd 21 June 1972 [14 Sept 1971] 54059/73 Divided out of 1365894 Heading D2B [Also in Division B5] An electrically semi-conducting sheet material for use in forming screening layers in electric cables comprises a sheet of controlledextension paper loaded with electrically conductive material e.g. carbon black to impart semi-conducting properties to the sheet of paper. In a preferred embodiment the sheet material comprises a layer of synthetic polymeric plastics material bonded to the sheet of controlled extension paper, the specified plastics material being a polyolefine e.g. polypropylene. The paper may be water laid of cellulose fibres. A controlled extension paper is defined as being a paper formed of adherent fibres which are crowded or pushed together in directions parallel to the surfaces of the paper, the surfaces being smooth and parallel.
GB5405973A 1972-06-21 1972-06-21 Electric cable semiconducting sheet material Expired GB1365895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5405973A GB1365895A (en) 1972-06-21 1972-06-21 Electric cable semiconducting sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5405973A GB1365895A (en) 1972-06-21 1972-06-21 Electric cable semiconducting sheet material

Publications (1)

Publication Number Publication Date
GB1365895A true GB1365895A (en) 1974-09-04

Family

ID=10469802

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5405973A Expired GB1365895A (en) 1972-06-21 1972-06-21 Electric cable semiconducting sheet material

Country Status (1)

Country Link
GB (1) GB1365895A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307351A1 (en) * 1975-04-11 1976-11-05 Sola Basic Ind Inc ELASTOMERIC MATERIAL FOR STRAIN REDUCTION AND DEVICES MANUFACTURED WITH IT
GB2227033A (en) * 1989-01-12 1990-07-18 Kitagawa Ind Co Ltd A strip or sheet of electromagnetic-shielding material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2307351A1 (en) * 1975-04-11 1976-11-05 Sola Basic Ind Inc ELASTOMERIC MATERIAL FOR STRAIN REDUCTION AND DEVICES MANUFACTURED WITH IT
GB2227033A (en) * 1989-01-12 1990-07-18 Kitagawa Ind Co Ltd A strip or sheet of electromagnetic-shielding material

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years