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Kennametal Hertel AG Patents |
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Assignee: Kennametal Hertel AG
Address: Furth, DE
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5904455 |
Drill with a drill point part |
May 18, 1999 |
| A drill with a drill point part that contains the drill cutter and is made of a solid hard material. The drill point part is replacably attached to the end face of a drill shaft. The drill shaft is penetrated by a shaft groove which extends in an axial direction of the shaft to accomodat |
| 5829926 |
Rotary tool, in particular a drill |
November 3, 1998 |
| A rotary drill comprising a shaft of full carbide metal which shaft is to be connected to the driving spindle of a machine tool. The shaft contains helically extending ducts which run adjacent to one another through the shaft, substantially longitudinally, for transporting cooling fluid |
| 5820316 |
Guide element for a cutting tool |
October 13, 1998 |
| Guide element for a cutting tool having a location hole (20) in the tool shank (4) having an internal thread (16, 10), which has a threaded bolt (14) having an external thread that can be screwed into the internal thread (16, 10) and is spring mounted in the screw-in direction when s |
| 5678960 |
Twist drill |
October 21, 1997 |
| The invention relates to a twist drill, especially for metals. It has a substantially cylindrical basic component (1) divided into a shaft (2) and a cutting section (3), the central longitudinal axis (5) of which is the axis of rotation of the twist drill. Several swarf grooves (4, 4') a |
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