Patent ID: 7025580
Filing Date: 2006-04-11
Classification: B29C,B29K,B29L,F16L

Abstract:
1. An apparatus for lining an inner wall of a host conduit that is adapted to contain fluid, comprising: an inflatable lining member, the lining member being sufficiently flexible to permit it to be inserted through the host conduit during use and being capable of substantial flattening when it is in an uninflated state, the lining member comprising: one or more substantially flexible spacers positioned within the inflatable enclosure, the spacers forming one or more channels running in a direction lengthwise along the lining member; and wherein the lining member is expandable toward the inner wall of the host conduit during inflation of the inner layer, the lining member being further adapted to receive and contain the curable material within the enclosure while the curable material is being cured to form a new liner within the host conduit.