发明名称 ROCK FACE SPLITTING APPARATUS AND METHOD
摘要 A splitting apparatus comprising a first splitting blade having a smooth top with a width X and a shoulder angle of less than the friction angle, relative to a point in the middle of the top, and a second splitting blade disposed opposite the first splitting blade, the second splitting blade having a smooth top with a width Y and a shoulder angle of less than the friction angle, relative to a point in the middle of the top.
申请公布号 CA2912574(C) 申请公布日期 2016.09.13
申请号 CA20142912574 申请日期 2014.11.18
申请人 PAVESTONE, LLC 发明人 KARAU, WILLIAM H.
分类号 B28D1/32 主分类号 B28D1/32
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