Abrading – Precision device or process - or with condition responsive... – Computer controlled
Reexamination Certificate
2006-04-04
2006-04-04
Wilson, Lee D. (Department: 3723)
Abrading
Precision device or process - or with condition responsive...
Computer controlled
C451S049000, C451S057000, C451S177000, C451S189000, C451S190000, C451S194000, C451S223000, C451S261000, C451S262000
Reexamination Certificate
active
07021990
ABSTRACT:
A method and apparatus for a circular grinding of a workpiece having first and second workpiece faces which are rotationally symmetrical with respect to the workpiece axis and which form a circular transition edge between them are provided. The workpiece rotating about its axis and a grinding wheel rotating about a grinding-wheel axis are advanced towards one another. During grinding, an auxiliary abrasive tool, which rotates about an auxiliary-tool axis and has a plane abrasive surface arranged at right angles to the auxiliary-tool axis, is pressed against the workpiece in such a way that the abrasive surface is arranged in a tangential plane to the second workpiece face and touches the second workpiece face along a contact line. The plane abrasive surface projects in the direction of the contact line away from the second workpiece face beyond the transition edge.
REFERENCES:
patent: 4439951 (1984-04-01), Oppelt et al.
patent: 5228241 (1993-07-01), Ohta et al.
patent: 6283837 (2001-09-01), Vorbuchner
patent: 10126796 (2002-12-01), None
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patent: WO-99/32258 (1999-07-01), None
patent: WO-99/42248 (1999-08-01), None
patent: WO-01/60565 (2001-08-01), None
Ingold Herman
Montandon Jean-Claude
Birch & Stewart Kolasch & Birch, LLP
HTT Hauser Tripet Tschudin AG
McDonald Shantese L.
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