Shut off seal about a shaft of a device having a side entry into a tank
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United States of America Patent
Stats
-
Nov 7, 1989
Grant Date -
N/A
app pub date -
Dec 15, 1988
filing date -
Dec 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shut off seal in a device having a rotatable shaft extending through a nozzle side entry structure of a tank is provided by means of a slidable stuffing box housing which can be moved by jack screws into engagement with a sealing collar fastened to the shaft inboard of the housing. The arrangement enables the changing of the packing about the shaft without draining the tank.
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Cited Art Landscape
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