发明名称 |
Injection ski and a method of manufacturing same |
摘要 |
An injection ski comprises a pair of spaced composite elements and an expanded plastic interposed between the composite elements. The upper composite element is provided with convex portions formed thereon to prevent the composite element from sagging due to its own weight during moulding operation of the ski.
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申请公布号 |
US4711462(A) |
申请公布日期 |
1987.12.08 |
申请号 |
US19860880347 |
申请日期 |
1986.06.25 |
申请人 |
MIZUNO CORPORATION |
发明人 |
HAYASHI, KEIJIRO;AWANO, TOSHIMI |
分类号 |
A63C5/12;(IPC1-7):A63C5/12 |
主分类号 |
A63C5/12 |
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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