END SEAL FOR PIPELINE
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United States of America Patent
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N/A
Issued Date -
Sep 23, 2010
app pub date -
Mar 18, 2010
filing date -
Mar 20, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
End seals, end seal kits, and methods for sealing the space between an outer casing and an inner pipe, which extends through the outer casing, are provided herein. The end seal may include a frustoconical seal member configured to seal the space at one end of the outer casing. A composite wrap covers the seal member. The kit includes a deformable sealing putty and a flexible wrap. The method includes: applying a deformable sealing putty to the outer casing and inner pipe; forming the sealing putty into a fluid tight seal, the seal having a hollow body with an annular segment disposed within the outer casing, and a frustoconical segment extending coaxially from the annular segment outside of the outer casing; wrapping a flexible fiberglass composite wrap around the frustoconical segment of the seal; and curing the fiberglass composite wrap.
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