发明授权
- 专利标题: Shoe uppers
- 专利标题(中): 鞋面
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申请号: US188572申请日: 1971-10-12
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公开(公告)号: US3982335A公开(公告)日: 1976-09-28
- 发明人: Victor Ralph Cunningham , David Leonard Boutle
- 申请人: Victor Ralph Cunningham , David Leonard Boutle
- 申请人地址: EN
- 专利权人: Porvair Limited
- 当前专利权人: Porvair Limited
- 当前专利权人地址: EN
- 优先权: UK1608/67 19670111; UK1609/67 19670111; UK9974/66 19660307
- 主分类号: B29C67/20
- IPC分类号: B29C67/20 ; C08J9/26 ; C08J9/28 ; D06N3/00 ; B32B3/00 ; B32B5/14
摘要:
A shoe upper having in place of the upper leather thereof a fleeceless water vapor permeable microporous sheet of elastomeric polyurethane material having a thickness of about 0.8 - 1.8 mm. and having an extension at break of at least 200%.
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