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Protection of cable splice

  • US 4,648,919 A
  • Filed: 08/15/1985
  • Issued: 03/10/1987
  • Est. Priority Date: 09/18/1984
  • Status: Expired due to Fees
First Claim
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1. An apparatus for protecting a splice connecting at least two multi-conductor electrical cables from ingress of water which comprises:

  • (a) a closure for enclosing the splice and forming a seal to the cable jackets thereby forming an enclosed area for the splice and the cable ends; and

    (b) pressure means comprising a heat expandable material which can be activated by heat or electric current from outside the closure which pressure means is inside the enclosed area and capable of applying sufficient pressure to a liquid sealant in the enclosed area to force the liquid sealant to penetrate into the splice and the interstices between the conductors in the cables.

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