Stone working – Miscellaneous
Patent
1978-08-01
1979-12-11
Whitehead, Harold D.
Stone working
Miscellaneous
51283R, 125 12, 125 16R, B28D 100
Patent
active
041777891
ABSTRACT:
Thin sections of marble or like stone are made by sawing of a block to produce preliminary slabs which are held together, either by integral bridging portions, bonded base portions, or external shoring, while a spacer material, for example resin, is introduced into the clefts between the slabs. A second sawing operation then divides each slab into two halves, which can be ground and polished before separation.
REFERENCES:
patent: 1349955 (1920-08-01), Harwood
patent: 2412644 (1946-12-01), Muller
patent: 2691858 (1954-10-01), Andras
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