Drilling and/or chiseling tool

Details Drilling and/or chiseling tool Drilling and/or chiseling tool

2004-09-23

2008-11-25

Gay, Jennifer H (Department: 3676)

Boring or penetrating the earth

Bit or bit element

Bit with leading portion forming smaller diameter initial bore

C408S225000

Reexamination Certificate

active

07455129

ABSTRACT:
A drilling and/or chiseling tool, in particular for machining materials such as concrete, rock, masonry, and the like, having a hard metal cutting element (1) contained in the machining end of the tool head, a radially outer, second working region (II) of the hard metal cutting element (1) being set back in relation to a central, first working region (I) of the hard metal cutting element (1) and the two working regions (I, II) transitioning into each other via a third working region (III). The third working region (III) is at least partially comprised of at least one partial circumference surface (5, 6) of at least one conical surface.

REFERENCES:
patent: 1746046 (1930-02-01), McIntosh
patent: 2879036 (1959-03-01), Wheeler
patent: 4968193 (1990-11-01), Chaconas et al.
patent: 5011342 (1991-04-01), Hsu
patent: 5181811 (1993-01-01), Hosoi
patent: 5570978 (1996-11-01), Rees et al.
patent: 6102634 (2000-08-01), Turner et al.
patent: 6190097 (2001-02-01), Thomas
patent: 6328506 (2001-12-01), Turner et al.
patent: 7001120 (2006-02-01), Moser et al.
patent: 2003/0077134 (2003-04-01), Moser et al.
patent: 44 06 513 (1995-08-01), None
patent: 100 38 039 (2001-02-01), None
patent: 102 08 630 (2003-04-01), None
patent: 0 761 927 (1997-03-01), None

Affiliated with

Also associated with

Rating

Drilling and/or chiseling tool does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drilling and/or chiseling tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling and/or chiseling tool will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4021522