发明名称 Concrete Screw
摘要 A concrete screw is disclosed. The concrete screw includes a shank and a thread disposed on the shank with a thread helix and a thread root. A cutting recess is disposed in a tip region of the shank where the cutting recess runs at least in sections within the thread root and without interrupting the thread helix. A rolling die for producing the concrete screw and a method for producing the concrete screw are also disclosed.
申请公布号 US2016003284(A1) 申请公布日期 2016.01.07
申请号 US201414770405 申请日期 2014.02.12
申请人 Hilti Aktiengesellschaft 发明人 NEUMAIER Tobias;WINKLER Mark;DOMANI Guenter;ACHLEITNER Corinna
分类号 F16B25/10;B21H3/04 主分类号 F16B25/10
代理机构 代理人
主权项
地址 Schaan LI