Device for artificial ageing of stones has base, mobile percussive bodies whereby percussive bodies are movably fastened at mounting device in such a manner that they can move freely within defined range of surface of stones

摘要

Device comprises a base (2) on which stones (1) can be placed, mobile percussive bodies for applying to surface (1a) to be treated and to adjacent edges, and a vibration device for moving stones and percussive bodies. The percussive bodies are movably fastened to mounting device in such a manner that they can move freely within a defined range of the surface of stones.