发明名称 |
SELF-TAPPING SCREW |
摘要 |
For the purpose of assuring, during insertion in plastic, a highly stressable connection between screw and plastic with relatively small driving torques, a self-tapping screw is provided with a symmetrical thread profile whose thread angle (8) changes steadily from the crest (5) of the flank to the root (3) of the thread. |
申请公布号 |
EP0088366(B1) |
申请公布日期 |
1987.09.16 |
申请号 |
EP19830102069 |
申请日期 |
1983.03.03 |
申请人 |
RICHARD BERGNER GMBH & CO |
发明人 |
EHRENSTEIN, GOTTFRIED, PROF., DR.-ING.;ONASCH, JURGEN, DIPL.-ING. |
分类号 |
F16B25/00;(IPC1-7):F16B25/00 |
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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