FIXING MEMBER
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United States of America Patent
Stats
-
N/A
Issued Date -
Dec 6, 2012
app pub date -
Sep 16, 2011
filing date -
Jun 2, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fixing member is provided for fixing a ceramic exterior building material to a lightweight thin steel sheet. The fixing member includes a screw portion and a head portion at an upper end of the screw portion. A threaded portion in which a screw thread is formed is provided at a lower end of the head portion, a cutting portion in which a reamer is formed is provided at a lower end of the threaded portion, a pilot portion that has no screw thread is provided at a lower end of the cutting portion, and a tapered drill portion is provided at a lower end of the pilot portion. The thickness “g” of the ceramic exterior building material and the total of the length “e” of the pilot portion that has no screw thread and the length “f” of the tapered drill portion satisfy the relationship g
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