发明名称 RETAINING WALL BLOCK SYSTEM
摘要 A wall block having a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes. The wall block can be used in a retaining wall made of (i) a plurality of blocks including at least one lower course and at least one upper course, at least one block comprising a block body having opposed front and back faces, opposed first and second side walls, and opposed and substantially parallel top and bottom faces, the top face having a receiving channel, and the receiving channel opening onto one or more pin holes; (ii) a soil retaining material; and (iii) a channel bar.
申请公布号 US2011243669(A1) 申请公布日期 2011.10.06
申请号 US201113039924 申请日期 2011.03.03
申请人 KEYSTONE RETAINING WALL SYSTEMS, INC. 发明人 FRIEDERICHS JOSEPH M.;MORITZ CRAIG D.
分类号 E02D17/00;E04C2/04 主分类号 E02D17/00
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