Plug apparatus suitable for sealing holes of variable or roughened diameter
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United States of America Patent
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Jan 26, 1999
Grant Date -
N/A
app pub date -
Nov 14, 1996
filing date -
Nov 14, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for sealing non-regular holes in a perforation in a wall, including a sealing member configured to be forcibly pressed into an inner surface of the perforation, an expandable member for forcing the sealing member against the inner surface of the perforation, and an expander member for causing the expandable member to force the sealing member against the inner surface of the perforation.
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