Spreader dowel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 10, 1998
Grant Date -
N/A
app pub date -
Mar 29, 1996
filing date -
Mar 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Spreading dowel, consisting of a dowel component (15) and a non circular spreader screw (1); whereby, the inner notch (17) of the dowel component (15) is fitted in its form for the outer contour of the spreader screw (1); whereby, the spreader screw (1) has one or more thread convolutions (9). By means of these thread convolutions (9), twisting the spreader screw (1) achieves the spreading expansion of the dowel component (15) together with an axial shifting of the spreader screw (1).
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