Polishing machine for stone materials, having multiple grinding heads aligned on two oscillating and parallel beams with variable offset
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United States of America Patent
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Aug 31, 2004
Issued Date -
N/A
app pub date -
Sep 13, 2002
filing date -
Mar 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The polishing machine for stone materials comprises: a conveyor belt for the slabs or strips to be polished, a beam made to oscillate on at least two transverse, fixed frames above the said conveyor, at least one oscillating mechanism, a number of polishing heads, aligned on the said beam and oscillating with it, a device for detecting the shape and/or dimensions of the slabs or strips, positioned upstream of the working area, a process and control calculator for the polishing machine, and has, positioned parallel to the said first beam a second beam, also equipped with a number of polishing heads aligned transversely with the polishing heads of the said first beam, and made to oscillate synchronously with it, by means of adjustable coupling devices, that enable the distance between the rows of polishing heads on the said first beam and second beam to be varied.
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