Screw fixing plug and combination of the same with a screw
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United States of America Patent
Stats
-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Dec 16, 1999
filing date -
Dec 18, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is a provided screw fixing plug wherein a head portion pritruding outwardly from an outer circumference of a trunk is integrally formed at one end pf the trunk. An opening into which a screw can be inserted is formed in the head, wherein the trunk is split in half along its axial direction into two legs portions, and wherein surfaces of the leg portions are inclined surfaces extending outwardly. By inserting the screw fixing plug into a starting hole of concrete or mortar and threading a screw into the screw fixing plug, an instrument or a untensil can be tightened to the concrete or mortar.
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