Presses – Reciprocating press construction – With transversely displaceable box – receptacle – or...
Patent
1980-03-24
1981-08-18
Wilhite, Billy J.
Presses
Reciprocating press construction
With transversely displaceable box, receptacle, or...
100244, 100269R, 100295, B30B 1506
Patent
active
042840007
ABSTRACT:
An apparatus for tightly compacting material within a wheeled, open top container including a frame composed of a stationary base and a overhead section disposed above the container and coupled to the frame base section by a plurality of telescoping columns which permit the overhead section to raise and lower relative to the container. A plurality of nominally relaxed tension lines extend downwardly from the frame overhead section to interconnect with the upper rim portion of the container. The apparatus also includes a pressing head suspended below the frame overhead section by a pair of spaced apart hydraulic cylinders which are retractable to lift the pressing head to an elevation above the container or extendible to force the pressing head downwardly into the container. As the pressing head pushes against the material within the container, a reaction force is generated which initially causes the frame overhead section to lift upwardly until the tension lines are drawn taut. Once taut, the tension lines serve to hold the frame overhead section stationary with respect to the container while the pressing head compacts the material within the container. As a consequence, the compression load imposed on the material within the container by the pressing head is transferred back to the overhead section by the tension lines and is not imposed on the container wheels.
REFERENCES:
patent: 311824 (1885-02-01), Ford
patent: 2757603 (1956-08-01), Wilson et al.
patent: 2782710 (1957-02-01), Fishburne
patent: 3734008 (1973-05-01), Wilhelm
patent: 3765148 (1973-10-01), Ippolito
patent: 3868903 (1975-03-01), Montalbano
patent: 3880072 (1975-04-01), Ord
patent: 4054088 (1977-10-01), Nee
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