Invention Grant
- Patent Title: Drill cutting insert
- Patent Title (中): 钻削切削刀片
-
Application No.: US14131029Application Date: 2012-07-03
-
Publication No.: US09586271B2Publication Date: 2017-03-07
- Inventor: Josef Prast , Remus Venturini , Uwe Schleinkofer
- Applicant: Josef Prast , Remus Venturini , Uwe Schleinkofer
- Applicant Address: AT Reutte
- Assignee: Ceratizit Austria Gesellschaft M.B.H.
- Current Assignee: Ceratizit Austria Gesellschaft M.B.H.
- Current Assignee Address: AT Reutte
- Agent Laurence A. Greenberg; Werner H. Stemer; Ralph E. Locher
- Priority: ATGM382/2011 20110705
- International Application: PCT/AT2012/000179 WO 20120703
- International Announcement: WO2013/003874 WO 20130110
- Main IPC: B23B51/00
- IPC: B23B51/00 ; B23B51/04 ; B23B27/14

Abstract:
A drill cutting insert has a cutting edge at a transition between a side surface and a top side which is formed with n identical cutting corners and n identical partial cutting edges —with nε{3, 4} —extending between the cutting corners. Each of the n partial cutting edges has: adjoining a first cutting corner, a main lip which is straight in plan view of the top side; adjoining the other cutting corner, a secondary lip which is straight in plain view of the top side, and a transition section, via which the main lip and the secondary lip merge into one another and which has a convex section adjoining the main lip and a concave section adjoining the secondary lip. The main and secondary lips enclose on the outside an angle a α
Public/Granted literature
- US20140212235A1 DRILL CUTTING INSERT Public/Granted day:2014-07-31
Information query