发明名称 |
COMPRESSED BAT FOR BASEBALL OR SOFTBALL, AND METHOD FOR MANUFACTURING COMPRESSED BAT FOR BASEBALL OR SOFTBALL |
摘要 |
PROBLEM TO BE SOLVED: To provide a compressed bat having high strength and excellent durability without impregnating synthetic resin, and to provide a method of manufacturing the compressed bat having high strength and excellent durability without impregnating synthetic resin.SOLUTION: A method of manufacturing a compressed bat 60 by compressing a wood material includes: a softening step for injecting high-pressure water vapor into an elongated wood material 10 with a plurality of projections 14 extending in the longitudinal direction to form a softened wood material 20; a compression step for pressurizing the softened wood material 20 in a mold 70 to form a compressed wood material 30 having circular radial cross section; a fixing step for evaporating moisture from the compressed wood material 30 to form a hardened wood material 40; and a cutting step for cutting the hardened wood material 40. |
申请公布号 |
JP2013244025(A) |
申请公布日期 |
2013.12.09 |
申请号 |
JP20120117336 |
申请日期 |
2012.05.23 |
申请人 |
MIZUNO CORP |
发明人 |
KUWABARA HIROAKI;TANAHASHI MITSUHIKO;NAKAMURA SHUNTA |
分类号 |
A63B59/06 |
主分类号 |
A63B59/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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