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1. 发明授权

US3975840A Molded athletic boot and method of making same 失效
标题翻译：成型运动靴及其制作方法
公开(公告)号：US3975840A
公开(公告)日：1976-08-24
申请号：US543954
申请日：1975-01-24
申请人： Maurice J. Juzenko
发明人： Maurice J. Juzenko
IPC分类号： A43B1/14 , A43B5/00 , B29D35/06 , A43B5/04 , A43D9/00
CPC分类号： B29D35/064 , A43B1/14 , A43B5/00
摘要： A molded athletic boot, a reinforcing insert assembly for a molded athletic boot and a method of making the boot are described. A cloth-like insert is mounted on a last and a mold is then closed about the last. A castable material, such as polyurethane is injected into the mold so that it impregnates and encapsulates the insert prior to solidifying to form an athletic boot having great tensile strength and rigidity. The described insert assembly comprises a porous, elastic, sock-like element which fits over the last. A layer of a woven or knitted polyamide and a layer of a nonwoven polyamide are secured inside the sock-like element at selected locations.
摘要翻译：描述了模制运动靴，用于模制运动靴的加强插入组件和制造靴子的方法。一个布状的插入件安装在最后一个模具上，然后关闭最后一个模具。将浇注材料（例如聚氨酯）注入模具中，使其在凝固之前浸渍并包封插入物以形成具有很大拉伸强度和刚度的运动靴。所描述的插入组件包括适合于最后的多孔，弹性的袜子状元件。编织或针织聚酰胺层和非织造聚酰胺层在选定的位置固定在袜子状元件的内部。

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