发明名称 PADDING MACHINES
摘要 <p>A padding machine is provided for angularly variable attachment to a mobile ground carrier having a hopper into which soil is placed, a vibratory feeder and screen receiving soil from the hopper, a chute receiving screened soil from the vibratory screen and feeder to deliver the same as padding on a pipeline within a ditch and a power source driving the vibratory feeder and screen.</p>
申请公布号 CA1262639(A) 申请公布日期 1989.11.07
申请号 CA19870527906 申请日期 1987.01.22
申请人 MCCLAIN, RAY;ROSS, ROBERT;BEACH, DONALD R. 发明人 MCCLAIN, RAY;ROSS, ROBERT;BEACH, DONALD R.
分类号 B07B1/00;E02F5/22;(IPC1-7):F16L1/02 主分类号 B07B1/00
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