An insert cooperates with the channel in a material moving board. The insert is adapted to reach at least +E,fra 3/4+EE of the way from the front edge to the rear edge of the board. The insert is preferably brazed to the channel and is made primarily of tungsten carbide and a cobalt binder.
申请公布号
US6003617(A)
申请公布日期
1999.12.21
申请号
US19980021060
申请日期
1998.02.09
申请人
MCSWEENEY, LARRY J.;MCSWEENEY, LAWRENCE H.
发明人
MCSWEENEY, LARRY J.;MCSWEENEY, LAWRENCE H.;MILLS, RONALD D.
