发明名称 |
Schroefbout. |
摘要 |
A screw includes a shank and a head formed to a first end thereof and a second end of the shank is a sharp end, the shank having a threaded portion defined in an outer periphery thereof, the threaded portion having in at least one section thereof a plurality of radially defined cutting teeth. |
申请公布号 |
NL1003399(C1) |
申请公布日期 |
1997.12.23 |
申请号 |
NL19961003399 |
申请日期 |
1996.06.21 |
申请人 |
YUNG-CHANG CHU;YAO-CHING CHU |
发明人 |
YUNG-CHANG CHU;YAO-CHING CHU |
分类号 |
F16B25/00;F16B33/02;(IPC1-7):F16B35/00 |
主分类号 |
F16B25/00 |
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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