Concrete dispensing boom for concrete pumps
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United States of America Patent
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Dec 6, 2016
Grant Date -
May 21, 2015
app pub date -
Jan 30, 2015
filing date -
Aug 2, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A concrete dispensing boom for stationary and mobile concrete pumps has a plurality of boom arms, connected to one another at joints, and a concrete conveying line consisting of a plurality of pipe segments preferably connected to one another in an articulated manner via pipe bends and rotary couplings. Said pipe segments run along the individual boom arms and are attached to these boom arms. At least one of the boom arms has a hollow chamber profile which has at least two hollow chambers separated from one another by a separating wall, at least one of which chambers is a closed chamber and one is open at the periphery. The pipe segment allocated to the boom arm concerned is disposed on the opening side outside, partially inside or inside the open hollow chamber.
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