Straight peristaltic pump for conveying concrete or the like

Details Straight peristaltic pump for conveying concrete or the like Straight peristaltic pump for conveying concrete or the like

1986-04-25

1988-04-05

Vrablik, John J.

Pumps

Condition responsive control of pump drive motor

Pump stop control means requiring manual reset

417477, F04B 4308

Patent

active

047355530

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.

REFERENCES:
patent: 2865303 (1958-12-01), Ferrari et al.
patent: 3138111 (1964-06-01), Kling et al.
patent: 3582234 (1971-06-01), Isreali et al.
patent: 3628891 (1971-12-01), Kassel
patent: 3712762 (1973-01-01), Kenney
patent: 3758239 (1973-09-01), Hrdina
patent: 3937598 (1976-02-01), Stannow et al.

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