Apparatus for everting a tube
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United States of America Patent
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-
May 21, 2002
Grant Date -
N/A
app pub date -
Jun 21, 2000
filing date -
Jun 21, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for use in installing a liner in a conduit as part of a repair procedure, including a sealing inlet port for passage of the tubular liner into an enclosed zone where an increased pressure is maintained to move the tubular liner into the conduit and to evert it as it moves along the conduit. A clamp holds one end of the liner to the outlet side of an everter box. The sealing inlet port includes a pair of lips to press against the opposite sides of a flattened liner. Support members may be used to keep the lips from being forced back out toward the outside of the pressurized everter box, and to control friction between the lips and the liner.
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Cited Art Landscape
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