Method and apparatus for machining of porous concrete
阅读：508发布：2022-10-07
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1. A METHOD OF ACCURATELY MACHINING THE FACES OF BLOCKS OF BRITTLE BUILDING MATERIALS COMPRISING THE STEPS OF FEEDING THE BLOCKS ALONG A LONGITUDINAL PATH PAST A FIRST SCRAPING STATION HAVING SCRAPING IRONS OF PRESTRETCHED, THIN FLEXIBLE RIBBON TO REMOVE THIN SURFACE LAYERS FROM THE TRANSVERSE FACES OF THE BLOCKS; FURTHER FEEDING THE BLOCKS PAST AT LEAST ONE OTHER SCRAPING STATION HAVING SCRAPING IRONS OF PRESTRETCHED, THIN FLEXIBLE RIBBON TO REMOVE ADDITIONAL THIN SURFACE LAYERS FRO MTHE TRANSVERSE FACES; THE RIBBON OF AT LEAST ONE OF THE STATIONS HAVING A WAVY SCRAPING EDGE, AND OSCILLATING THE RIBBON HAVING THE WAVY SCRAPING EDGE TO OBTAIN A DECORATION ON THE BLOCK FACES WHILE REMOVING THE RESPECTIVE THIN SURFACE LAYERS.
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