发明名称 |
Tree trunk barrier for pest control |
摘要 |
An apparatus and method for controlling tree pests are disclosed. The apparatus includes a band of compressible material and a barrier ring. The barrier ring is wrapped around the band of compressible material, which, in turn, is wrapped around the trunk of a tree. The barrier ring contains a recess that is filled with a substance that prevents the progression of pests onto upper levels of the tree. The method involves installing the apparatus of the invention onto the trunk of a tree.
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申请公布号 |
US6230435(B1) |
申请公布日期 |
2001.05.15 |
申请号 |
US19980178626 |
申请日期 |
1998.10.26 |
申请人 |
PHILIPP AND DORIS WASHBURN, TRUSTEES OF THE WASHBURN FAMILY TRUST |
发明人 |
CARMAN GLENN E. |
分类号 |
A01G13/10;(IPC1-7):A01M1/18 |
主分类号 |
A01G13/10 |
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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