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US 5,641,251 AGranted
All-ceramic drill bit
AssigneeCerasiv GmbH Innovatives Keramik-Engineering
InventorsAugust Leins, Rolf Muller
Life of this patent
Estimating the term…
Abstract
Disclosed is an all-ceramic drill bit which combines the positive properties of ceramic with a tool geometry adapted to the special features of the material. The drill bit is formed with a groove for the shavings which extends in the axial direction linearly along a surface line.
Claims10
An all-ceramic drill bit having a drill point, a rear and a groove for shavings, the groove extending in an axial direction linearly, along a surface line, said groove having a guiding bevel extending in the axial direction of the drill bit.
Dependencies are inferred from the claim text.