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Conduit-enclosed induction loop for a vehicle detector

  • US 4,943,805 A
  • Filed: 11/13/1986
  • Issued: 07/24/1990
  • Est. Priority Date: 11/13/1986
  • Status: Expired due to Fees
First Claim
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1. In an inductive loop vehicle detector having a conductor extending in a loop-shaped conduit:

  • a conductor-surrounding filler within said conduit; and

    a conduit coupling assembly joining sections of the conduit comprising;

    a body defining (a) a passageway extending through said body sized to receive at each end of said passageway an end of a section of conduit, and (b) an opening externally exposing a portion of said passageway intermediate its ends, said opening being defined by a wall portion extending continuously about said opening; and

    a lid sized to completely cover said opening and having a continuous loop-forming extension matingly engaging said continuous wall portion when said lid is covering said opening; and

    said continuous extension and wall portion being mutually adherable for sealing said opening;

    said conductor-surrounding filler filling said coupling assembly; and

    an adhesive adhering said continuous extension and said wall portion together.

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