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Resin-formed body including wood powder, production method of the same and black key for keyboard m 检索报告

2023-07-27 3400 88K 0

专利信息

申请日期 2025-06-26 申请号 EP07014626
公开(公告)号 EP1882720A3 公开(公告)日 2009-10-21
公开国别 EP 申请人省市代码 全国
申请人 YAMAHA CORPORATION
简介 In order to provide a resin-formed body including wood powder which is applicable to a material for a black key having a good external appearance and which has touch close to real wood with less difference in quality without using rare wood, the resin-formed body including wood powder (1) includes colored wood powder, resin and pigment. Moreover, with respect to the resin-formed body including wood powder (1), it is possible to use a mass ratio between the wood powder and the resin so as to be 90/10-60/40.


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