发明名称 |
Wheel for in-line roller skates |
摘要 |
A wheel construction generally consisting of a hub section formed of a thermoplastic polyurethane material having a first durometer hardness and a rim section formed of a thermoplastic polyurethane material having a second durometer hardness less than the first durometer hardness, molded onto the hub section to form a molecularly adhered, integral hub and rim structure.
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申请公布号 |
US5567019(A) |
申请公布日期 |
1996.10.22 |
申请号 |
US19940311354 |
申请日期 |
1994.09.23 |
申请人 |
U.S. FARATHANE CORPORATION |
发明人 |
RAZA, IRFAN F.;PRECZEWSKI, THOMAS F.;WALTHER, RONALD D. |
分类号 |
A63C17/22;(IPC1-7):A63C7/06 |
主分类号 |
A63C17/22 |
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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