发明名称 |
VIS A TETE FRAISEE POUR LA FIXATION D'ACCESSOIRES ET QUINCAILLERIE SUR UNE PAROI METALLIQUE |
摘要 |
<p>The screw (200) has a countersunk-head (210) including a conical sub-head (212) connected to a screw shank (220) provided with a thread (221). A curved top (211) of the countersunk-head has a cavity (214) for receiving a screwing tool. The sub-head of the head is provided with a cone having conicity of 100 degrees. The thread of the shank is raised till to a junction between the sub-head and the shank. An intermediate cone (215) has another thread (216) that is raised on a surface of the intermediate cone till to another junction between the intermediate cone and the cone of the sub-head.</p> |
申请公布号 |
FR2972239(B1) |
申请公布日期 |
2013.04.12 |
申请号 |
FR20110051728 |
申请日期 |
2011.03.03 |
申请人 |
SFS INTEC SAS |
发明人 |
MEIRELES JOSE;DEMESMAY EMMANUEL |
分类号 |
F16B35/00 |
主分类号 |
F16B35/00 |
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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