Cutting tool

Details Cutting tool Cutting tool

2006-06-13

2006-06-13

Ashley, Boyer D. (Department: 3722)

Cutters, for shaping

With means to apply fluid to cutting tool

C407S117000

Reexamination Certificate

active

07059809

ABSTRACT:
A cutting tool, in particular for the turning out of drillings, has a clamping piece (10) for fixing the tool in a clamp holder. The clamping piece (10) includes two clamping surfaces (30), which converge on each other in the direction of the one side (32) of the clamping piece (10). In the direction of the other side (34) of the clamping piece (10), the clamping surfaces extend into a roof-type surface (36). On the side of the clamping piece (10) facing away from the clamp holder, the clamping surfaces connect to a rod-like neck piece (12), which tapers in cross-section relative to the clamping piece (10). The free end of the clamping piece is connected to a cutting piece (14) as one piece, and is provided with a cutting edge (16) on the external end thereof to which a face (18) of the cutting piece (14) connects in the direction of the neck piece (12). A high degree of reinforcement for the neck piece and the cutting piece arranged on its free end with its blade or the blade edge is achieved. The neck piece (12) has two reinforcement pieces running along it, transverse to the plane of the cutting edge (16). The reinforcement pieces are reinforcing ribs (20, 22) which convergently taper in the direction of the cutting piece (14), are diametrically opposed in relation to the neck piece (12) and have their greatest width at the point of transition into the clamping piece (10).

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