发明名称 BLACK KEY OF KEYBOARD INSTRUMENT
摘要 PROBLEM TO BE SOLVED: To provide a resin formed body containing wood powder which is suitably used as material for black keys and is obtainable without using rare wood, while providing little difference in quality and having good appearance and touch feeling close to that of wood.SOLUTION: A resin formed body containing wood powder 1 comprises dyed wood powder, resin and pigment. In the resin formed body containing wood powder 1, a mass ratio between the wood powder and the resin can be 90/10 to 50/50.
申请公布号 JP2013210671(A) 申请公布日期 2013.10.10
申请号 JP20130124208 申请日期 2013.06.12
申请人 YAMAHA CORP 发明人 SHIMANO SHIYOUJI;SUZUKI NOBUHIKO
分类号 G10C3/12;G10B3/12 主分类号 G10C3/12
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