发明名称 |
SETT OCH ANORDNING FOR APTERING AV TRED |
摘要 |
<p>A method for cross-cutting trees, where a trunk to be cross-cut is advanced relative to a lopping means for cutting off branches on the trunk. A signal representing the lopping force required is generated and is combined with a signal representing advanced length of the trunk, so that a knot signal representing the presence of knots on the stem is obtained. Said knot signal is used for automatic control of the cutting of the trunk as a function of the presence of knots on the trunk. There is also provided an equipment for performing the method.</p> |
申请公布号 |
SE7713765(L) |
申请公布日期 |
1979.06.06 |
申请号 |
SE19770013765 |
申请日期 |
1977.12.05 |
申请人 |
SVENSKA TRAEFORSKNINGSINST |
发明人 |
HELGESSON T;MAGNUSSON B;SEDERHOLM J |
分类号 |
B27B1/00;B27B5/18;B27G3/00;(IPC1-7):27C1/00 |
主分类号 |
B27B1/00 |
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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