Straight peristaltic pump for conveying concrete or the like
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United States of America Patent
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Apr 5, 1988
Grant Date -
N/A
app pub date -
Apr 25, 1986
filing date -
Apr 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a straight peristaltic pump for conveying concrete or the like, comprising a straight hose adapted to be elastically flattened and extending between a base and pressure rollers; the rollers are mounted idly about transverse pins supported by rollers in abutment on runways; the pins connect two endless chains meshing with two pairs of toothed wheels. According to the invention, an inclined ramp of the runways connects their upstream circular part to their straight part and at least one counter gear supported by the frame meshes with each chain in the zone of connection of the ramp with said straight part.
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