Removable closure plate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 15, 1983
Grant Date -
N/A
app pub date -
Jun 23, 1980
filing date -
Jun 23, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved removable closure plate arrangement providing a liquid-tight seal in an elongated floatable offshore hollow tubular column structure. The closure plate being adapted for easy removal and including a centrally located pull member removably connected to the upper and fixedly connected to the lower portion of the closure plate with the closure plate being removably connected about its periphery to the inside surface of the column.
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Cited Art Landscape
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