Board for stringed instrument, acoustic stringed instrument, and method of manufacturing board for stringed instrument
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United States of America Patent
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Mar 30, 2021
Grant Date -
Oct 24, 2019
app pub date -
Jul 3, 2019
filing date -
Jan 6, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A manufacturing method for a board for a stringed instrument that is used as a top plate or a back plate of an acoustic stringed instrument such as a violin, where the board has a purfling, includes forming, for instance, a groove with a depth that is 20% or more and less than 60% of a thickness of the board for a stringed instrument, filling the groove with a resin in which, for instance, colored particles having a diameter of 3 μm or more and less than 70 μm are dispersed and which has a degree of elongation of 20% or more, removing the resin that has flowed out of the groove, and curing the resin.
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