Method for tint rehabilitation of rocks

Details Method for tint rehabilitation of rocks Method for tint rehabilitation of rocks

1994-09-14

1996-04-09

Beck, Shrive

Coating processes

Spraying

427136, 427140, 427399, 427427, B05D 102

Patent

active

055060030

ABSTRACT:
A method is disclosed for rehabilitating an exposed cut surface of a rock formation after rock cutting has occurred so that the fresh cut surface becomes weathered and natural within several weeks to facilitate restoration back to its original shade as a part of the natural scenery. Weathering occurs by applying a solution containing FeCl.sub.2 or MnSO.sub.4 to the surface of the rocks to be colored. These rocks are limestone, dolostone, phosphorite and concrete. A method for preparing a weathering solution is also disclosed.

REFERENCES:
patent: 4299863 (1981-04-01), Tanimoto et al.
patent: 4725451 (1988-02-01), Cripe

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