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Tubing expansion with an apparatus that cycles between different diameter configurations

  • US 7,063,149 B2
  • Filed: 02/02/2004
  • Issued: 06/20/2006
  • Est. Priority Date: 06/19/2001
  • Status: Expired due to Fees
First Claim
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1. Tubing expansion apparatus, the apparatus comprising:

  • an expansion device for advancement through a length of expandable tubing to expand the tubing from a smaller first diameter to a larger second diameter, the device being adapted to cycle between a smaller diameter first configuration and a larger diameter second configuration;

    a pressure responsive member for cycling the device between said configurations at least once a second; and

    a force application member for advancing the expansion device through the tubing.

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