发明名称 |
BAT FORMED OF CARBURIZED STEEL |
摘要 |
<p>A ball bat includes a substantially tubular frame having a handle portion an d a primary hitting portion. The handle portion is formed of a non-steel materia l. The hitting portion is formed separately from, and coupled to, the handle portio n. The hitting portion is formed of a steel and has an inner surface and an outer surface. At least a portion of hitting portion is carburized forming a carburized layer.</p> |
申请公布号 |
CA2488083(C) |
申请公布日期 |
2009.09.29 |
申请号 |
CA20042488083 |
申请日期 |
2004.11.19 |
申请人 |
WILSON SPORTING GOODS CO. |
发明人 |
GAFF, BRADLEY L.;FRITZKE, MARK A.;GUENTHER, DOUGLAS G. |
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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