Apparatus for installing a flexible cured in place lateral seal in an existing main pipeline

  • US 6,520,719 B1
  • Filed: 02/28/2000
  • Issued: 02/18/2003
  • Est. Priority Date: 11/26/1997
  • Status: Expired due to Term
First Claim
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1. A sled for carrying an inflation device within an existing pipeline or conduit, the sled comprising:

  • an elongated base having a first end and a second end;

    support means for supporting the base, the support means being mounted to the base;

    at least one lifting means including a channel and having at least one mounting arm movably positioned in the channel for raising and lowering the at least one mounting arm, the at least one lifting means being located at one of the first and second ends of the base; and

    at least one rotating means for rotating the at least one mounting arm about a longitudinal axis of the base;

    wherein the at least one lifting means and the at least one rotating means are both selectively and independently operable for selectively positioning an inflation device within the pipeline or conduit.

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