Environmentally sealed terminating device and sealing gel

H - Electricity – 02 – G

Patent

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Details

H02G 15/04 (2006.01) C09K 3/10 (2006.01) H01R 13/52 (2006.01) C08L 83/07 (2006.01)

Patent

CA 2577804

A terminating device for terminating subscriber wiring to pairs of insulation displacement type conductive contacts includes a protective sealing gel disposed within the terminating device. The gel encapsulates the conductive contacts and is characterized by a dynamic storage modulus G' and a dynamic loss modulus G" expressed in dynes/cm2 having a dynamic crossover point between about 1 rad/sec and about 20 rad/sec at any temperature in the range between about -40~C to about 80~C. The loss modulus G" is greater than the storage modulus G' at a shear frequency greater than the dynamic crossover point and is less than the storage modulus G' at a shear frequency less than the dynamic crossover point. The gel has an ultimate elongation greater than about 1000%, an ultimate tensile strength greater than about 2 psi, and a cone penetration value expressed in tenths of a millimeter between about 255 and 265.

L'invention concerne un dispositif de raccordement permettant de raccorder un câblage d'abonné à des paires de contacts conducteurs du type à déplacement d'isolation qui comprend un gel protecteur d'étanchéité disposé dans ledit dispositif de raccordement. Ledit gel encapsule les contacts conducteurs, et est caractérisé par un module de stockage dynamique G' et un module de perte dynamique G" exprimés en dynes/cm2 possédant un point de raccordement dynamique entre environ 1 rad/sec et 20 rad/sec à une température quelconque comprise entre environ 40°C et 80°C. Le module de perte G" est supérieur au module de stockage G' à une fréquence de cisaillement supérieure à celle du point de raccordement dynamique, et inférieure à celle du module de stockage G' à une fréquence de cisaillement inférieure à celle du point de raccordement dynamique. Le gel présente un allongement final supérieur à environ 1000%, une résistance à la traction finale supérieure à environ 2 psi et une valeur de pénétration au cône exprimée en dixièmes de millimètre entre environ 255 et 265.

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