Concrete Screw
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United States of America Patent
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Issued Date -
Jan 7, 2016
app pub date -
Feb 12, 2014
filing date -
Feb 26, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A concrete screw is disclosed. The concrete screw includes a shank and a thread disposed on the shank with a thread helix and a thread root. A cutting recess is disposed in a tip region of the shank where the cutting recess runs at least in sections within the thread root and without interrupting the thread helix. A rolling die for producing the concrete screw and a method for producing the concrete screw are also disclosed.
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