FIELD: electricity.
SUBSTANCE: sealing element or support sleeve with multi-layered construction for protective cable tubes with cables routed in them includes, as the upper layer of connection, for example perforated film; at that, a sealant located under it can pass through perforation, thus providing a seal between protective cable tube and support sleeve and at the same time the movement of sealing element or support sleeve for example for introducing new cables, etc.
EFFECT: invention allows performing easy replacement or new routing of cables and prevents indentation of thin-walled tubes of covers inside the tube cable channel.
7 cl, 4 dwg
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