Drilling tool

Details Drilling tool Drilling tool

2007-05-08

2007-05-08

Howell, Daniel W. (Department: 3722)

Cutting by use of rotating axially moving tool

Tool or tool with support

With pitch-stabilizing ridge

C076S101100, C076S108100, C076S115000, C408S144000, C408S224000, C470S199000

Reexamination Certificate

active

10778522

ABSTRACT:
A drilling tool consisting of a drill shank having a drill point and of a transition section which adjoins the drill shank in the axial direction and which merges into a clamping shank, the transition section being heat-treated in such a way that it has higher bending elasticity compared with the clamping shank and/or the drill shank.

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patent: WO 94/14575 (1994-07-01), None
patent: WO 00/27578 (2000-05-01), None

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