The jointing of submarine cables involves many tasks, all of which must be correctly performed to ensure that a high reliability transmission path is achieved. One of these is the sheath closure which ensures that the integrity of the joint is maintained in an adverse environment. This is achieved by injection moulding polythene around the joint so that it amalgamates homogeneously with the outer polythene layer on the cable to form a hermetic seal. The moulding process depends on the mould design, the mould temperature, the rate of injection of the molten polythene, and the subsequent rate of cooling of the filled mould. For many years the process has been manually controlled and the quality and consistency of the sheath closures depends on the skill and experience of the operator. British Telecom Research Laboratories are developing a pneumatically operated injection moulding equipment which has microprocessor control of the moulding temperatures and the injection cycle.


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    Title :

    Microprocessor controlled cable jointing equipment


    Additional title:

    Mikroprozessor-geregelte Kabelverbindungseinrichtung


    Contributors:
    Yates, M.H. (author)


    Publication date :

    1984


    Size :

    2 Seiten, 1 Bild


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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