发明名称 |
Shoe bottom |
摘要 |
A shoe bottom comprising a flexible foam having at least one surface with open or opened cells, and a film of an elastomeric material covering the open or opened cells of said surface. Advantageously the foam is an initially flexible closed-cell crosslinked polyolefin foam and the film is an elastomeric polyurethane of a thickness of about 0.1 to 0.3 mm.
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申请公布号 |
US4228600(A) |
申请公布日期 |
1980.10.21 |
申请号 |
US19790009714 |
申请日期 |
1979.02.05 |
申请人 |
FIRMA CARL FREUDENBERG |
发明人 |
KRUG, HANS-DIETRICH;MILDENBERGER, WILLI |
分类号 |
A43B13/04;(IPC1-7):A43B13/04;A43B13/12 |
主分类号 |
A43B13/04 |
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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