Thread-forming screw

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专利权人:

Alain Hasenböhler

发明人:

Alain Hasenböhler,Peter Scheuble,Dirk Thiel

申请号：

US12091137

公开号：

US08403972B2

申请日:

2006.10.25

申请国别(地区):

US

年份:

2013

代理人:

摘要：

A thread-forming screw includes a screw end, a shank, and a thread-free head, wherein the shank is provided at least partly with a thread and has a pre-forming region, an intermediate region, which is arranged to follow the pre-forming region, and an anchoring region, which is arranged so as to adjoin the intermediate region and below the head, wherein the pre-forming region is arranged so as to directly adjoin the screw end.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/