Method of forming a recess in a work
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United States of America Patent
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-
Apr 22, 2014
Grant Date -
Dec 4, 2008
app pub date -
May 27, 2008
filing date -
May 26, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method of forming a recess in a work, a work in which the recess is to be formed is a material that can be cut. A cutting tool for forming the recess is held by a moving apparatus at a prescribed angle relative to the work. The cutting tool is moved in a carving direction for carving the work at the prescribed angle, and a thin cutting fin is vertically formed. Then, the cutting tool is moved in the horizontal direction, and the cutting fin is cut and separated from the work. The fin-forming step and the cutting step are repeatedly performed in sequence, whereby a recess having a prescribed depth d and area is formed in the work.
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