发明授权
- 专利标题： Method of manufacturing a hollow externally threaded fastener
- 专利标题（中）： 中空外螺纹紧固件的制造方法
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申请号： US14145868申请日： 2013-12-31
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公开(公告)号： US09475109B2公开(公告)日： 2016-10-25
- 发明人: Joel M. Houck , Gerald W. Hagel , Burak Gursel
- 申请人： Joel M. Houck , Gerald W. Hagel , Burak Gursel
- 申请人地址： US CA Pleasanton
- 专利权人： Simpson Strong-Tie Company, Inc.
- 当前专利权人： Simpson Strong-Tie Company, Inc.
- 当前专利权人地址： US CA Pleasanton
- 代理商 Charles R. Cypher; James R. Cypher
- 主分类号： B21D37/06
- IPC分类号： B21D37/06 ; B21C37/20 ; B21K1/56 ; B21C37/06 ; B21C25/02 ; B21C25/04 ; B21K21/08 ; B21J9/06 ; B21K5/12 ; F16B25/00
摘要：
A method of and device for manufacturing a hollow anchor with a radial, helical contour on its outer surface is provided. The contour is preferably a raised external contour or helix that is formed on the outer wall of the anchor and is suitable for tapping a thread in masonry. The hollow anchor formed by the method has an internal cavity that can receive another member and an outer surface with a raised external contour that is suitable for tapping a thread in a blind bore in a masonry member.
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