Device and Method For Lifting a Layer of Stones
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United States of America Patent
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N/A
Issued Date -
Aug 21, 2008
app pub date -
May 9, 2006
filing date -
May 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for lifting a layer of stones, particularly of artificially aged cast concrete stones, clinker bricks or natural stones, comprises a vacuum device with a suction opening for drawing up the stones. The suction opening (4) obtains, by means of changeable template elements (5), a pattern consisting of closed and open suction areas (6,7). The created pattern is essentially adapted to the respective layer of stones (1) to be lifted, and concentrates the suction power of the vacuum device, in essence, onto the upper surfaces of the stones.
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