Self-locking sealing plug and installing method
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United States of America Patent
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-
Jun 19, 1984
Grant Date -
N/A
app pub date -
Dec 20, 1982
filing date -
Dec 20, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-locking sealing plug having first and second cylindrical body members of the same diameter and mounted one to the other for relative movement, the first body member having a pair of radially-extendable slides at an end thereof with a spring member therebetween urging the slides outwardly, retaining pins on the second body member for holding the slides in a retracted position within the perimeter of the first body member and releasable by separating movement of the body members, a sealing flange on the second body member, and connecting structure for drawing the body members toward each other to decrease the distance between the extended slides and the sealing flange and with such movement bringing the retaining pins into engagement with the slides to hold the slides extended.
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