Emptying device for bulk bags and use thereof

Details Emptying device for bulk bags and use thereof Emptying device for bulk bags and use thereof

1997-10-10

1999-08-31

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

With manipulation of flexible or collapsible receiver or supply

222105, 2221812, B65B 104

Patent

active

059440708

ABSTRACT:
An emptying device for bulk bags having an inner and outer sack in which disturbances during emptying and contact with the bulk material are avoided. The device includes a holding device for the bulk bag, a double tube device arranged centrally beneath the holding device and having an inner tube, an outer tube arranged around the inner tube with an outlet fitted to its lower edge, and a closing ring which can be raised and lowered for closing the upper end of the annular gap formed by the two tubes. The device can additionally include at least one gripping device for securing the sack outlet of the inner sack, which gripping device can be moved up and down within the inner tube and can be pulled downwards by means of a pulling device operable from outside the double tube device.

REFERENCES:
patent: 4442956 (1984-04-01), Carlsson
patent: 4946071 (1990-08-01), Poulton
patent: 4966311 (1990-10-01), Taylor
patent: 4998991 (1991-03-01), Poulton
patent: 5033706 (1991-07-01), Poulton

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