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Apparatus for the cutting of an electrical conductor

  • US 7,518,483 B2
  • Filed: 09/21/2006
  • Issued: 04/14/2009
  • Est. Priority Date: 09/22/2005
  • Status: Expired due to Fees
First Claim
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1. An apparatus for the cutting of an electrical conductor comprising:

  • a housing;

    an electrical conductor arranged in the housing and having a hollow conductor section having a wall;

    a pyrotechnic charge disposed within the hollow conductor section;

    a spreading sleeve disposed within the hollow conductor section and comprising an open end facing the pyrotechnic charge, said open end comprising a cutting edge inboard the hollow conductor section and adapted to be displaced outwardly to cut the wall of the hollow conductor section; and

    a piston disposed within the hollow conductor section intermediate the pyrotechnic charge and the spreading sleeve and comprising a tip adapted to be received in the open end of the spreading sleeve in response to triggering of the pyrotechnic charge and to displace the cutting edge outwardly to cut the wall of the hollow conductor section.

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