Cutters – for shaping – Including tool having plural alternatively usable cutting edges
Reexamination Certificate
2005-11-22
2005-11-22
Fridie, Jr., Willmon (Department: 3722)
Cutters, for shaping
Including tool having plural alternatively usable cutting edges
C407S116000, C407S114000
Reexamination Certificate
active
06966729
ABSTRACT:
A tangential reversible cutting blade, comprising:a prismatic body which is bordered by two opposed, identically shaped first surfaces and four identically shaped, interposed lateral surfaces,four equal-length main cutting edges on each of the first surface which are defined with one lateral face each,a raised web on each lateral surface with the four webs being symmetrical with a central plane through the lateral surfaces,a through mounting bore coaxial with the axis through the centres of the first surfaces,metal-cutting faces on the lateral surfaces which are defined by fillets adjacent to the main cutting edges on either side of the associated web, andcutting-tool flanks on the first surfaces which are defined by a spherical surface shape of the first surfaces adjacent to the main cutting edges.
REFERENCES:
patent: 3142110 (1964-07-01), Hertel
patent: 3490117 (1970-01-01), Hertel
patent: 4074949 (1978-02-01), Hochmuth et al.
patent: 4294566 (1981-10-01), Boone
patent: 5853267 (1998-12-01), Satran et al.
patent: 197 04 931 (1998-03-01), None
patent: 299 12 025 (1999-09-01), None
patent: 0 769 341 (1996-10-01), None
Dehn Gerhard
Engfer Achim
Schunk Uwe
Zawidzki Gerhard
Fette GmbH
Fridie Jr. Willmon
Vidas Arrett & Steinkraus P.A.
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