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Electric fuse including two different fillers

  • US 4,272,752 A
  • Filed: 07/30/1979
  • Issued: 06/09/1981
  • Est. Priority Date: 07/30/1979
  • Status: Expired due to Term
First Claim
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1. An electric fuse comprising:

  • (a) a casing of electric insulating material,(b) terminal caps disposed on the ends of the casing,(c) fusible element means arranged inside said casing and electrically interconnecting said terminal elements,(d) a plurality of differing arc quenching materials arranged in layers within said casing and embedding said fusible element means, and(e) electrically insulative barrier means introduced in a fluid state between said layers so as to conform to the geometry of said fusible element means and to the surface of said layers and thereby establish an essentially impermeable barrier between said layers.

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