发明名称 |
IMPACT COMPACTION OF LOOSE MATERIALS |
摘要 |
The specification discloses an impact roller which is attachable to a hauling vehicle via a drawbar and a resilient coupling and which includes restraining means, for example in the form of damping means or braking means, to restrain excessive relative horizontal movement between the roller and the drawbar during hauling of the roller.
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申请公布号 |
US3662658(A) |
申请公布日期 |
1972.05.16 |
申请号 |
USD3662658 |
申请日期 |
1970.03.19 |
申请人 |
SOUTH AFRICAN INVENTIONS DEVELOPMENT CORP. |
发明人 |
AUBREY RALPH BERRANGE |
分类号 |
E02D3/026;(IPC1-7):E01C19/30 |
主分类号 |
E02D3/026 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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