Segmented end seal for a closure such as a splice case

Details Segmented end seal for a closure such as a splice case Segmented end seal for a closure such as a splice case

H - Electricity

02

G

H02G 15/013 (2006.01)

Patent

CA 2361008

An end seal (10) is provided for sealing the space between at least one cable and a closure such as a splice case. The end seal (10) includes a centrally located support structure (20) having a plurality of radially extending members (40, 42, 46) each defined by spaced, opposing end faces (21) and an outer peripheral surface. Each of the radially extending members (40, 42, 46) has first and second mating surfaces and a notch located in the first and second mating surfaces. The first and second mating surfaces are connected to, and extend between, the end faces of their respective radially extending members. The end seal (10) also includes a plurality of segments (22a, 22b, 22c) having spaced, opposing end faces. The plurality of segments each interlock with the support structure (20) so that each of the end faces of the segments extend in a common plane with one of the end faces of the support structure. Each segment (22a, 22b, 22c) includes an outer peripheral surface and first and second end surfaces connected to and extending between the end faces of the segment. The first and second end surfaces have first and second tabs (37a, 39a) extending respectively therefrom. The first and second tabs (37a, 39a) are insertable in first and second ones of the notches (52, 54) respectively located in adjacent ones of the radially extending members of the support structure (20). The first and second notches (52, 54), respectively, in a prescribed sequence so that the segment (22a) interlocks with the support structure (20). At least one aperture (25a) extends between the opposing end faces for receiving a cable. The aperture (25a) is formed, at least in part, from a semicylindrical surface located in one of the segments (22a).

L'invention porte sur un joint (10) terminal permettant de fermer hermétiquement l'espace entre au moins un câble et une gaine telle qu'un manchon sur jonction épissée. Ce joint (10) terminal comprend une structure (20) de support centrale possédant une pluralité d'éléments (40, 42, 46) s'étendant radialement définis chacun par des faces (21) terminales opposées, espacées et une surface périphérique externe. Chacun des éléments (40, 42, 46) s'étendant radialement possède des première et seconde surfaces d'accouplement comportant une encoche. Les première et seconde surfaces d'accouplement sont raccordées aux faces terminales de leurs éléments respectifs s'étendant radialement. Le joint (10) terminal comprend également une pluralité de segments (22a, 22b, 22c) présentant des faces terminales opposées, espacées. La pluralité de segments se verrouille sur la structure (20) de support de sorte que chacune des faces terminales des segments s'étende dans un plan commun avec l'une des faces terminales de la structure de support. Chaque segment (22a, 22b, 22c) comprend une surface périphérique externe et des première et seconde surfaces terminales raccordées et s'étendant entre les faces terminales du segment. Entre les première et seconde surfaces terminales s'étendent des première et seconde languettes (37a, 39a) qui peuvent s'insérer dans certaines première et seconde encoches (52, 54) situées à côté de certains des éléments s'étendant radialement de la structure (20) de support. Les première et seconde languettes d'au moins un segment accueillent les première et seconde encoches (52, 54) d'une séquence prédéfinie de sorte que le segment (22a) se bloque sur la structure (20) de support . Au moins une ouverture (25a) est formée dans au moins une partie d'une surface semi-cylindrique située dans un des segments (22a).

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