Invention Grant
- Patent Title: Diamond impregnated bit with aggressive face profile
- Patent Title (中): 钻石浸渍钻头具有侵略性的脸型
-
Application No.: US12857331Application Date: 2010-08-16
-
Publication No.: US09051786B2Publication Date: 2015-06-09
- Inventor: Christian M. Lambert , Michael D. Rupp
- Applicant: Christian M. Lambert , Michael D. Rupp
- Applicant Address: US UT South Jordan
- Assignee: Longyear TM, Inc.
- Current Assignee: Longyear TM, Inc.
- Current Assignee Address: US UT South Jordan
- Agency: Ballard Spahr LLP
- Main IPC: E21B10/48
- IPC: E21B10/48 ; E21B10/567 ; E21B10/02

Abstract:
A drill bit includes a crown defining a central axis. The crown includes at least one segment. The segment includes a planar portion and a plurality of surface features continuous with and extending away from the planar portion. The surface features are discontinuous within the segment with respect to a first arced path defined at a first radial distance from the central axis.
Public/Granted literature
- US20110036640A1 DIAMOND IMPREGNATED BIT WITH AGGRESSIVE FACE PROFILE Public/Granted day:2011-02-17
Information query