Blocking arrangement for suppressing fluid transmission in...

H - Electricity – 01 – B

Patent

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337/15, 337/47

H01B 7/00 (2006.01) G02B 6/44 (2006.01) H01R 4/72 (2006.01)

Patent

CA 1287134

ABSTRACT An arrangement for forming a block in a cable against transmission of fluid along the cable comprises a generally flat blocking array (1) that is formed from a fusible polymeric sealant, e.g. a hot-melt adhesive or a thermosetting adhesive, which has a number of passageways 2 extending from one end of the array to the other end for receiving wires 4 of the cable. The assembly includes a heat-shrinkable covering that can be positioned around the blocking array 1 in its flat configuration and recovered about the array by applica- tion of heat, and the sealant is capable of melting during recovery of the covering and being forced from a generally flat configuration to a generally cylindrical one by recovery of the covering. The invention also includes arrays per se which may be formed from hot-melt adhesives or thermosetting adhesives. The arrangement enables moisture blocks to be formed relatively rapidly and reliably in cables and harnesses having a large number of wires, and is par- ticularly suitable for use in the manufacture of har- nesses for automotive applications.

539389

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