Abrading – Abrading process – Glass or stone abrading
Patent
1992-11-19
1995-03-21
Rose, Robert A.
Abrading
Abrading process
Glass or stone abrading
523111, 125 1301, 125 35, 451 58, B24B 2706, B28D 104
Patent
active
053984587
ABSTRACT:
The present invention generally relates to a process of and apparatus for manufacturing tile mosaics from at least two stone slabs, such as marble or granite slabs. The process comprises the steps of: a) cutting each of the two slabs into a matrix of pieces while maintaining the original orientation of the pieces, b) classifying the pieces of each matrix into two or more sets of pieces, c) intermixing a first set of pieces of one slab with a second set of pieces of another slab while maintaining the original orientation of the pieces, thereby forming the mosaic. The cutting apparatus comprises: a) a platen having a resilient layer for supporting the slab, b) a gantry table saw having a plurality of blades and a rotatable table for supporting the platen, and c) a hold-down rack for securing the slab and platen during cutting. At least two grippers are use to intermix at least one set of pieces from one slab with at least one set of pieces from a second slab to form the mosaic. By mixing the color shades and grain patterns of several different stone slabs, a mosaic having a handset look is achieved. Adjacent rows of the newly formed mosaic matrix may be offset to further enhance the handcrafted appearance of the mosaic.
REFERENCES:
patent: 3807095 (1974-04-01), Harding
patent: 3809050 (1974-05-01), Chough et al.
patent: 4407262 (1983-10-01), Wirz et al.
patent: 4688540 (1987-08-01), Ono
Allen Ronald S.
Austin Steven R.
Henriksen Lars E.
Sutfin Michael J.
Craftsman Marble, Granite & Tile Co.
Rose Robert A.
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