Knock-in pin dowel
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United States of America Patent
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-
Dec 12, 2000
Grant Date -
N/A
app pub date -
Aug 21, 1998
filing date -
Feb 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A knock-in pin dowel contains a dowel shell with a non-expandable shaft part located on the outside and an expandable part connecting thereto. The expandable part is subdivided into two axially following or overlapping expandable areas, which are in each case formed by longitudinal slits and expandable segments remaining between said longitudinal slits. The two ends of the longitudinal slits of the first expandable area are closed, whereas the longitudinal slits of the inner expandable area directed towards the inside of the drilled hole are open at the dowel end.
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