Bulk-storage receptacle with helical chute

Details Bulk-storage receptacle with helical chute Bulk-storage receptacle with helical chute

1977-12-19

1979-12-04

Makay, Albert J.

Material or article handling

Static receptacle and means for charging or discharging, or...

Charging or charge-distributing means

52187, B65G 1106

Patent

active

041769970

ABSTRACT:
A bulk-storage bin made of imbricated panels has a cylindrical wall with a helical chute having an inlet portion at its upper end whereby the bulk material is introduced into the bin and descends along the helical chute to be spread uniformly in the interior of the bin. The helical chute is provided as an inwardly open channnel whose floor is a ramp which is inclined radially. According to the invention, in the transition region between the inlet and the remainder of the helical chute, the tangential inclination forms a continuous transition to the tangential inclination of the helical chute while the radial inclination in the transition region is always sufficient to permit the bulk material to slide along the ramp by gravitational force. This inclination thus is such that the total slope of the ramp is greater than the critical sliding angle (frictional retardation) of the piled material.

REFERENCES:
patent: 3278054 (1966-10-01), Stott
patent: 3940037 (1976-02-01), Watson
patent: 4035970 (1977-07-01), Welckep

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