Cutters – for shaping – Including tool having plural alternatively usable cutting edges
Reexamination Certificate
2007-08-07
2007-08-07
Fridie, Jr., Willmon (Department: 3722)
Cutters, for shaping
Including tool having plural alternatively usable cutting edges
C407S116000
Reexamination Certificate
active
10547604
ABSTRACT:
Based on an indexable tip (1), which serves to bevel a cylindrical or conical milling head (12) and which has both ground cutting edges (7) as well as a bore hole (8) that extends from the free surface (2) to the supporting surface (3) of the indexable tip while provided for the passage of a fastening means (fixed plate) that has a head, and based on the ability to be reversed by turning around the indexable tip about the axis of the bore hole, the invention provides that the indexable tip also has the ability to be reversed by turning around which involves interchanging the prior supporting surface and free surface, both of these surfaces having a width between the cutting edges of greater than 5.5 mm. The ability to be reversed by turning around signifies that the indexable tip widens again from its thickness in the middle up to the supporting surface in order to form at least two other cutting edges. An improved seat of the indexable tip on the milling head is associated with the obtaining of the additional cutting edges that, as a consequence, lengthen the serviceable life, whereby achieving a greater quite running and thus precision of machining.
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Fridie Jr. Willmon
Kueffner Friedrich
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