发明授权
- 专利标题: Apparatus for compacting a mass of granular material
- 专利标题(中): 用于压制大量颗粒材料的装置
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申请号: US3603226D申请日: 1969-06-26
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公开(公告)号: US3603226A公开(公告)日: 1971-09-07
- 发明人: MARCOVITCH JACOB
- 申请人: ROTARY PROFILE ANSTALT
- 专利权人: Rotary Profile Anstalt
- 当前专利权人: Rotary Profile Anstalt
- 优先权: US83670769 1969-06-26
- 主分类号: E01C19/23
- IPC分类号: E01C19/23 ; E02D3/026 ; E01C19/26
摘要:
This invention relates to methods of and apparatus for compacting ground, roads and the like. The preferred apparatus comprises a road roller having small diameter ground engaging rolls rolling around a cylindrical backup roll located at the front of the road roller.
信息查询
IPC分类: