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1. 发明授权

US4564310A Resilient paving composition for playfields sports fields and recreation areas 失效
标题翻译：弹性运动场和娱乐场所的弹性铺路组合
公开(公告)号：US4564310A
公开(公告)日：1986-01-14
申请号：US618495
申请日：1984-06-08
申请人： Edmund Thelen , Daniel N. Black, III , Thomas L. Kiley
发明人： Edmund Thelen , Daniel N. Black, III , Thomas L. Kiley
IPC分类号： E01C13/02 , E01C13/06 , E01C13/08 , E01C5/02 , E01C5/18 , E01C5/22
CPC分类号： E01C13/08 , E01C13/02 , E01C13/065 , Y10T428/259
摘要： A porous resilient paving system for use on well-drained soil as a playing surface is described as having(1) a soil-covering layer consisting essentially of mineral aggregate having a thickness in the range of from about 2 to about 4 inches;(2) a layer of fibrous vulcanized rubber particles covering layer (1), said layer (2) having a thickness in the range of from about one-half to about two inches;(3) a core composition layer covering layer (2) consisting essentially of a matrix formed from about 70 to 87 weight percent vulcanized rubber fibers bonded with from about 13 to 30 weight percent of a rubber latex selected from the group consisting of natural rubber latex and synthetic rubber latex; and(4) a topping layer covering layer (3) consisting essentially of from about 68-74 weight percent vulcanized rubber particles of from about 12-30 mesh, zinc oxide in an amount from about 1-7 weight percent and bonded with about 25 weight percent of a rubber latex.
摘要翻译：描述了一种用于排水良好的土壤作为游戏表面的多孔弹性铺路系统，其具有（1）基本上由厚度在约2至约4英寸范围内的矿物骨料组成的土壤覆盖层; （2）覆盖层（1）的纤维硫化橡胶颗粒层，所述层（2）的厚度在约1/2至约2英寸的范围内; （3）主要组成层覆盖层（2），其主要由基体形成，该基体由约70至87重量％的硫化橡胶纤维形成，硫化橡胶纤维与约13至30重量％的选自天然橡胶胶乳和合成橡胶胶乳; 和（4）顶层覆盖层（3），其基本上由约68-74重量％的约12-30目的硫化橡胶颗粒组成，约1-7重量％的氧化锌和约25重量％橡胶胶乳的重量百分比。

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