Device for removing and/or re-installing manhole lids on an apparatus under pressure
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United States of America Patent
Stats
-
Feb 2, 1982
Grant Date -
N/A
app pub date -
Mar 23, 1979
filing date -
Mar 23, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An integral and rapid device in which means are arranged for permitting both to support a stud tightening machine and the lids and to accurately position the tightening machine relative to each manhole and the studs. This device is particularly useful for removing and re-installing manhole lids in a nuclear apparatus.
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Cited Art Landscape
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