Patents Assigned to BAUER DRILL I/S
  • Rotary drill
    Patent number: 9132571
    Abstract: In a rotary drill, the drill is provided with at least one groove, which has a center lying on the axis of rotation of the drill. The two end points of the groove define a groove width, and the drill is provided with two or more cutting edges. Two cutting angles are defined. The groove has a left side and a right side. The rotary drill can be used in a rotary drilling machine. The drill can be provided with a drill bit.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: September 15, 2015
    Assignee: BAUER DRILL I/S
    Inventor: Kim Bauer