GB921902A - Method and apparatus for providing moulded joints or repairs - Google Patents

Method and apparatus for providing moulded joints or repairs

Info

Publication number
GB921902A
GB921902A GB21890/59A GB2189059A GB921902A GB 921902 A GB921902 A GB 921902A GB 21890/59 A GB21890/59 A GB 21890/59A GB 2189059 A GB2189059 A GB 2189059A GB 921902 A GB921902 A GB 921902A
Authority
GB
United Kingdom
Prior art keywords
cable
casing
insulation
forced
thermoplastic
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
GB21890/59A
Inventor
Edward Ingram Cooke
Piotr Pawel Orlowski
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.)
Submarine Cables Ltd
Original Assignee
Submarine Cables 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 Submarine Cables Ltd filed Critical Submarine Cables Ltd
Priority to GB21890/59A priority Critical patent/GB921902A/en
Publication of GB921902A publication Critical patent/GB921902A/en
Expired legal-status Critical Current

Links

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
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • H02G1/145—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped

Abstract

921,902. Moulding electrical insulation. SUBMARINE CABLES Ltd. June 22, 1960 [June 25, 1959], No. 21890/59. Class 87(2). A joint or repair in the thermoplastic insulation of electric cable is formed by enclosing one end of the exposed portion of the cable in a mould casing supporting the casing for axial movement relative to the cable, connecting the casing to a supply of thermoplastic material under pressure, and maintaining said pressure to build up material within the casing as the cable and casing are moved relatively to each other. Thermoplastic is forced from heated cylinder 14 by screw actuated piston 15 into an annular cavity 8 formed by grooves 9, 9<SP>1</SP> in mould casing 5 and mandrel 4 and when the cavity is full flows axially around the bulbous portion 12 of mandrel 4 and bonds with the insulation of cable 2. As more material is forced into the cavity 8 the injection apparatus is forced to the right over bared conductor 3 and a continuous stream of insulation is moulded. In the embodiment of Figs. 3 and 4 (not shown) the cable is tensioned by rubber lined clamps and the injection apparatus is moved axially by a motor driven screw device. Specifications 856,040 and 921,901 are referred to.
GB21890/59A 1959-03-25 1959-03-25 Method and apparatus for providing moulded joints or repairs Expired GB921902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB21890/59A GB921902A (en) 1959-03-25 1959-03-25 Method and apparatus for providing moulded joints or repairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21890/59A GB921902A (en) 1959-03-25 1959-03-25 Method and apparatus for providing moulded joints or repairs

Publications (1)

Publication Number Publication Date
GB921902A true GB921902A (en) 1963-03-27

Family

ID=10170520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21890/59A Expired GB921902A (en) 1959-03-25 1959-03-25 Method and apparatus for providing moulded joints or repairs

Country Status (1)

Country Link
GB (1) GB921902A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368006A (en) * 1963-10-30 1968-02-06 Submarine Cables Ltd Method and apparatus for providing moulded joints or repairs
DE2908939A1 (en) * 1978-03-14 1979-09-27 Cables De Lyon Geoffroy Delore METHOD AND APPARATUS FOR APPLYING AN INSULATING LAYER TO AN ELECTRICAL CABLE
WO1983000459A1 (en) * 1981-08-06 1983-02-17 Thomson, Ian, Main Extrusion apparatus and methods of splicing ropes or cables utilizing such apparatus
DK151423B (en) * 1973-03-23 1987-11-30 Pirelli Cavi Spa APPLICATION FOR APPLICATION OF A TUBE SHAPE ON AN EXTENSIVE PART OF A CABLE REMOVED FROM THE END OF THE CABLE
CN109454810A (en) * 2018-12-28 2019-03-12 国网山东省电力公司高密市供电公司 Cable connector insulation recovery device
CN114256782A (en) * 2021-12-10 2022-03-29 深圳供电局有限公司 Insulated conductor repairing device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368006A (en) * 1963-10-30 1968-02-06 Submarine Cables Ltd Method and apparatus for providing moulded joints or repairs
DK151423B (en) * 1973-03-23 1987-11-30 Pirelli Cavi Spa APPLICATION FOR APPLICATION OF A TUBE SHAPE ON AN EXTENSIVE PART OF A CABLE REMOVED FROM THE END OF THE CABLE
DE2908939A1 (en) * 1978-03-14 1979-09-27 Cables De Lyon Geoffroy Delore METHOD AND APPARATUS FOR APPLYING AN INSULATING LAYER TO AN ELECTRICAL CABLE
US4218417A (en) * 1978-03-14 1980-08-19 Societe Anonyme Dite: Les Cables De Lyon Method and a device for repairing insulated cable which has been damaged or joined
WO1983000459A1 (en) * 1981-08-06 1983-02-17 Thomson, Ian, Main Extrusion apparatus and methods of splicing ropes or cables utilizing such apparatus
CN109454810A (en) * 2018-12-28 2019-03-12 国网山东省电力公司高密市供电公司 Cable connector insulation recovery device
CN114256782A (en) * 2021-12-10 2022-03-29 深圳供电局有限公司 Insulated conductor repairing device

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