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.
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
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