Abrading – Abrading process – Tumbling
Reexamination Certificate
2006-10-31
2006-10-31
Morgan, Eileen P. (Department: 3723)
Abrading
Abrading process
Tumbling
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:
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Riedle Thomas
Sauter Hermann
Collard & Roe P.C.
Morgan Eileen P.
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