Joining method and related junction for electric cables,...

H - Electricity – 02 – G

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Details

H02G 15/184 (2006.01) H02G 15/103 (2006.01) H02G 15/18 (2006.01)

Patent

CA 2633300

A tubular covering sleeve (9) is manufactured which comprises a primary tubular body (10) externally coated with a sheath (14) formed of a layer of semiconductive material (15) coupled with an elastomer layer (16). The sheath (14) is made separately of the primary body and subsequently coupled therewith, before or after coupling of the primary body itself on a splicing region between two electric cables (2a, 2b). The sleeve one of the cables before electrically connecting the conductors (3a, 3b). Then a radial shrinkage of the sleeve (9) on the cables (2a, 2b) is caused at the splicing region. To carry out a sectionalisation (18), one end portion of the sheath and of the semiconductive layer (16) alone is turned up or mechanically removed, before or after engagement of the sheath (14) with the primary tubular body (10).

L'invention concerne un manchon de protection tubulaire (9) qui comprend un corps tubulaire primaire (10) extérieurement recouvert d'une gaine (14) constituée d'une couche de matériau semi-conducteur (15) couplé avec une couche élastomère (16). Cette gaine (14) est fabriquée séparément du corps primaire et ultérieurement couplée à ce dernier, avant ou après le couplage du corps primaire sur une région d'épissure entre deux câbles électriques (2a, 2b). La gaine, dans un état radialement élargi, est ajustée autour d'un des câbles avant de connecter électriquement les conducteurs (3a, 3b). Puis un retrait radial du manchon (9) sur les câbles (2a, 2b) est provoqué au niveau de la région d'épissure. Pour réaliser une sectionnalisation (18), une partie d'extrémité de la gaine et de la couche semi-conductrice (16) seule est relevée ou mécaniquement enlevée avant ou après que la gaine (14) entre en contact avec le corps tubulaire primaire (10).

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