Apparatus for pneumatically conveying bulk material

Details Apparatus for pneumatically conveying bulk material Apparatus for pneumatically conveying bulk material

1988-06-02

1990-06-26

Basinger, Sherman D.

Conveyors: fluid current

With means to control conveying fluid or movement of load in...

Control of conveying fluid

406 95, 138 39, 138148, B65G 5366

Patent

active

049367153

ABSTRACT:
An apparatus for pneumatically conveying bulk material in particular bulk material which is difficult to handle includes a conveyor line having a plurality of conveyor line sections for transporting the bulk material. Each of the conveyor line sections comprises a rigid outer pipe and an elastic inner pipe of an outer diameter which is smaller than the inner diameter of the outer pipe in pressureless state. The connection of adjacent conveyor line sections is attained by a sectional ring which is placed over each axial end of the outer pipe and about which the elastic pipe is folded outwardly, a flange element arranged between the thus shaped axial ends of adjoining conveyor line sections, and external brace elements extending between successive flange elements for bracing the latter so as to connect adjoining conveyor line sections in pressure-sealed manner. Each flange element receives a valve element and is provided with a radial bore to allow communication between a clean gas carrying secondary line and the conveyor line.

REFERENCES:
patent: 2897005 (1959-07-01), Wiltse
patent: 4171925 (1979-10-01), Krambrock
patent: 4715749 (1987-12-01), Hoppe et al.

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