Thick matter pump with a cleaning cartridge and blocking slide
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United States of America Patent
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-
Sep 28, 1999
Grant Date -
N/A
app pub date -
Sep 27, 1996
filing date -
Apr 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thick matter pump, especially a concrete pump, including a material feed container, two conveyor cylinders opening at the front into the inside of the material feed container, a swivelling pipe, one end of which alternately in pulses communicates with the frontal apertures in the conveying cylinder and the other end being connected to a conveyor pipe and with a closable cleaning aperture in the appropriate pipe wall arranged near the end of the conveyor pipe or in a section of the swivelling pipe outside the material feed container. A cleaning cartridge can be connected to the cleaning aperture having a compressed air and/or pressurized water connection while the feed pipe and/or the swivelling pipe can be closed on the conveyor cylinder side by means of a blocking system.
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