发明名称 Pile foot cutting device.
摘要 The invention relates to a pile foot cutting device for a substantially radial extension of a foot region of a pile bore. The cutting device comprises a cylindrical body and cutting blades, which are constructed as cylinder shell segments of the cylindrical body. The cutting blades are pivotably provided on the body and can be swung laterally therefrom with a predeterminable blade angle.
申请公布号 ZA200302485(B) 申请公布日期 2003.07.08
申请号 ZA20030002485 申请日期 2003.03.31
申请人 BAUBER MASCHINEN GMBH. 发明人 HARTHAUSER WERNER
分类号 E02D5/44;E21B10/32 主分类号 E02D5/44
代理机构 代理人
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