Process and apparatus for the artificial aging of stones

Abrading – Abrading process – Tumbling

Reexamination Certificate

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Details

C451S326000, C451S035000, C125S040000

Reexamination Certificate

active

07128639

ABSTRACT:
A process for the artificial aging of stones, particularly concrete blocks, clinker blocks and natural stones, provides for the stones to be applied to a support. Impact units that move essentially freely are applied to the surface of the stones that is to be processed. The stones and the impact units are set in motion in relation to each other by vibration of the support in such a way that the impact units act on the surface and the adjacent, exposed edges of the stones.

REFERENCES:
patent: 6279291 (2001-08-01), Geusens et al.
patent: 29 22 393 (1979-12-01), None
patent: 3621276 (1988-01-01), None
patent: 10307447 (2004-09-01), None
patent: 10333213 (2005-02-01), None
patent: 0 860 258 (1998-02-01), None
patent: 002794397 (2000-12-01), None

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