Replaceable corrosion seal for threaded connections
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 22, 2005
Grant Date -
Oct 3, 2002
app pub date -
Jan 18, 2002
filing date -
Oct 4, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The threaded connection between the pin and the box ends of two pipes is sealed externally and internally to protect the threads in the connection from exposure to corrosive fluids. Seals are provided at each axial end of the threads. External seals are formed by metal-to-metal engagement between the pin and box and a third metal body secured circumferentially about the pin. The metal body may be fashioned into a desired annular pin seal surface to mate with and seal with the box at full makeup of the connection. The metal body can be removed and replaced as required to repair or reconstructed the pin seal surface.
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