Stone working – Dressing – Rotary cutter
Reexamination Certificate
2005-09-13
2005-09-13
Hail, III, Joseph J. (Department: 3723)
Stone working
Dressing
Rotary cutter
C125S002000, C125S012000, C125S038000
Reexamination Certificate
active
06941939
ABSTRACT:
The facing machine for hard-fired ceramic tiles comprises: a structure for supporting, and setting the cutting depth of, at least one pair or rotary rollers at a grooving station, the axis of the rollers lying transverse to the infeed path of the tiles as carried on a belt transport; the rollers comprising a plurality of disks formed with diamond-tipped cutting teeth and a facing station comprising a plurality of vertical-axis grinding wheels with abrasive diamond-tipped tooling; the rollers are carried on a common supporting structure, being adjustable in height to set the tool cutting depth in the tile; the structure being pivotable about a parallel shaft to the work surface in a transverse direction to the feed direction of the surface, and being associated with a device for adjusting and inhibiting the pivotal movement of the structure in order to accommodate varying cutting diameters of the rollers at the station.
REFERENCES:
patent: 3550575 (1970-12-01), Metzger et al.
patent: 5056272 (1991-10-01), Battaglia
patent: 5117722 (1992-06-01), Letendre
patent: 6071222 (2000-06-01), Schneider
patent: 42 17 228 (1993-11-01), None
patent: 297 05 698 (1997-06-01), None
patent: 2 521 475 (1983-08-01), None
patent: 2521475 (1983-08-01), None
Graybeal Jackson Haley LLP
Hail III Joseph J.
Muller Bryan
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