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
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