Remotely operated tool for performing functions under water
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United States of America Patent
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Apr 17, 1984
Grant Date -
N/A
app pub date -
Dec 14, 1981
filing date -
Dec 14, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Remotely operated tool for performing functions at underwater installations. Tools according to the invention are especially useful for remote retrieval and installation of wireline bushings in hollow guide posts. Particularly advantageous embodiments of the tool are fluid pressure operated, include means for performing at least two functions, successively, and respond to a single pressure fluid input rather than requiring successive inputs.
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