Manufacturing of Wooden Rod with Central Hollow
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United States of America Patent
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app pub date -
Jul 2, 2007
filing date -
Jun 30, 2006
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Abstract
A manufacturing method of wooden rod with central hollow. The manufacturing method includes steps of: preparing a wooden material with a predetermined length and a predetermined minimum outer diameter; axially drilling the wooden material from one end to the other end to form a shaft hole; fitting a reinforcing material into the shaft hole; and locating the wooden material with an axis of the shaft hole as a rotary axis and milling a periphery of the wooden material to form a rod/bat body with a predetermined shape.
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