Cutters – for shaping – With chip breaker – guide or deflector – Comprising concave surface in cutting face of tool
Reexamination Certificate
2008-03-26
2010-02-23
Fridie, Jr., Will (Department: 3724)
Cutters, for shaping
With chip breaker, guide or deflector
Comprising concave surface in cutting face of tool
C407S117000, C407S114000
Reexamination Certificate
active
07665933
ABSTRACT:
A cutting insert having an insert body formed in a shaft-shape, wherein a cutting edge portion having a square rake face is formed on an end portion of the insert body, and wherein the rake face includes: a pair of side cutting edges extending in a longitudinal direction of the insert body; a front cutting edge extending in a transverse direction perpendicular to the longitudinal direction between each front end of the side cutting edges; a pair of protruded streaks extending toward each of corner portions at which each of the side cutting edges intersect the front cutting edge, and a projection which protrudes and is separated from the protruded streaks between front ends of the protruded streaks in the vicinity of the corner portion and the corner portion.
REFERENCES:
patent: 4992008 (1991-02-01), Pano et al.
patent: 5725334 (1998-03-01), Paya
patent: 5827017 (1998-10-01), Tagstrom et al.
patent: 6238147 (2001-05-01), Tagtstrom et al.
patent: RE37595 (2002-03-01), Lindstedt
patent: 6692199 (2004-02-01), Andersson et al.
patent: 6796752 (2004-09-01), Tong
patent: 295 03 246 (1995-04-01), None
patent: 298 07 877 (1998-08-01), None
patent: 0 775 544 (1997-05-01), None
patent: 1375038 (2004-01-01), None
patent: 2290994 (1996-01-01), None
patent: 1-64308 (1989-04-01), None
patent: 09-174308 (1997-07-01), None
patent: 2003-011005 (2003-01-01), None
patent: 2005-103655 (2005-04-01), None
European Search Report dated Jan. 14, 2009, issued on the corresponding European patent application No. 08 00 5589.0.
European Search Report dated Jan. 19, 2009, issued on the corresponding European patent application No. 08 00 5586.6.
Aso Norio
Imai Yasuharu
Nagaya Hidehiko
Edwards Angell Palmer & & Dodge LLP
Fridie, Jr. Will
Mitsubishi Materials Corporation
LandOfFree
Cutting insert does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cutting insert, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cutting insert will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4203425