Pull-to-set anchoring device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 8, 1981
Grant Date -
N/A
app pub date -
Jun 1, 1979
filing date -
Jun 1, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a pull-to-set anchoring device for cementatious material in which a nut is disposed upon one end of a stem and a head is formed on the other and a band is disposed on the stem intermediate the head and the nut, the band being arranged to slide into engagement with the cementatious material when the nut is twisted, the improvement including forming a groove on the outer surface of the head and disposing a resilient ring in the groove whereby the band is engaged and expanded to improve the holding characteristics of the device.
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