发明授权
- 专利标题： A threading tap for cutting threads in blind holes and method of manufacture
- 专利标题（中）： 丝锥攻丝盲孔及其制造方法
-
申请号： EP04100321.1申请日： 2004-01-29
-
公开(公告)号： EP1442814B1公开(公告)日： 2013-12-18
- 发明人: Malagnino, Giovanna , Troilo, Roberto
- 申请人： Sandvik Intellectual Property AB
- 申请人地址： 811 81 Sandviken SE
- 专利权人： Sandvik Intellectual Property AB
- 当前专利权人： Sandvik Intellectual Property AB
- 当前专利权人地址： 811 81 Sandviken SE
- 代理机构： Klöfver, Jörgen
- 优先权： SE0300224 20030130
- 主分类号： B23G5/06
- IPC分类号： B23G5/06
摘要：
A threading tap for cutting threads in blind holes comprises an elongated body (2) with a central axis (A-A) and having at a first end (6) a connector portion (4) and at a second end (10) a threading portion (8), said threading portion being provided with at least one helical thread (16) about the circumference of said body and interconnected flank portions (14) defining at least one helical flute (12) from the region of said second end (10) towards said first end (6) and interrupting said helical thread (16). In accordance with the invention, the flank portions (14) are steam tempered. The invention also relates to methods of the manufacturing such a tap.
公开/授权文献
信息查询
