发明名称 PAVING BLOCK FORMED OF RUBBER CRUMB AND A METHOD OF MANUFACTURING THE SAME
摘要 A hollow paving block comprises a substantially planar member having a first surface and a second surface opposite the first surface. The first surface of the planar member is a textured surface which functions as a top of the paving block. A side wall extends along and away from a periphery of the second surface of the planar member to define a cavity in the paving block. The side wall has a bevelled edge which extends about a mouth of the cavity. At least one protrusion extends along the second surface of the planar member. The paving block is formed in part from crumb rubber and polyolefin.
申请公布号 US2012020730(A1) 申请公布日期 2012.01.26
申请号 US20100890681 申请日期 2010.09.26
申请人 CHOW CLARK 发明人 CHOW CLARK
分类号 E01C5/00;B29C45/18;B29C45/60;B29C45/62 主分类号 E01C5/00
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