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Adjustable window liner

  • US 7,299,864 B2
  • Filed: 12/22/2004
  • Issued: 11/27/2007
  • Est. Priority Date: 12/22/2004
  • Status: Expired due to Fees
First Claim
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1. A system for lining a junction between a main bore and an auxiliary bore, comprising:

  • a first tubing adapted to line at least a portion of the main bore, the first tubing having a lateral opening therein; and

    a second tubing having a junction shield extending outward therefrom, the junction shield having a larger transverse dimension than the lateral opening and wherein the junction shield contracts to smaller transverse dimension to pass through the lateral opening into the auxiliary bore.

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