发明名称 Subsoil treatment apparatus.
摘要 <p>Subsoil treatment apparatus (1) comprises an impact striking head (2) associated with one end (3) of an impact transmission block (4) which has an internal chamber (5) connectable to a source of compressed air, and a hollow, tubular, ground-piercing spike (6) projecting from an opposite end (7) of the block (4) and to which impacts are transmitted from the block (4), the end (8) of the spike (6) associated with the block (4) being in air flow communication with the chamber (5), and the opposite end (9) of the spike (6) being provided with at least one air discharge aperture (10). The invention also includes a truck (28) carrying multiple apparatus (1). &lt;IMAGE&gt;</p>
申请公布号 EP0430589(A1) 申请公布日期 1991.06.05
申请号 EP19900312731 申请日期 1990.11.22
申请人 WHITE, JAMES STEPHEN;WHITE, MARK SAMUEL 发明人 WHITE, JAMES STEPHEN;WHITE, MARK SAMUEL
分类号 A01C23/02 主分类号 A01C23/02
代理机构 代理人
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