| 发明名称 |
Thread system for screws comprises locking sections at top and bottom which run in opposite direction to main thread, lower section having four teeth spaced around it and space between adjacent teeth catching wood chips |
| 摘要 |
<p>The thread system for screws (10) comprises locking sections (14, 15) at the top and bottom which run in the opposite direction to the main thread (13). The lower section has four teeth spaced around it, the space between adjacent teeth catching the wood chips formed as the screw is tightened.</p> |
| 申请公布号 |
DE202005014579(U1) |
申请公布日期 |
2005.11.24 |
| 申请号 |
DE20052014579U |
申请日期 |
2005.09.14 |
| 申请人 |
A-STAINLESS INTERNATIONAL CO., LTD. |
发明人 |
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| 分类号 |
F16B25/00;F16B25/02;F16B39/30;(IPC1-7):F16B25/02 |
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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