Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Filling with exhausting the receiver
Patent
1987-08-14
1989-05-02
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Filling with exhausting the receiver
141 93, 141114, 141 65, 141287, B65B 128
Patent
active
048259136
ABSTRACT:
An apparatus for transferring powder from a bulk supply to a container comprising a first conduit extending from the bulk supply to the container, an inflatable annulus made preferably from natural rubber, secured towards the end of the conduit and adapted to enter into air-tight engagement with the wall of a container which can be a bag or sack having flexible walls or a drum or carton having rigid walls. The appartus is also provided with a second conduit having an opening in the container to allow air displaced by powder entering to escape. The second conduit communicates with an exhaust fan to assist the removal of displaced air. A third conduit is also provided having an opening within the container. This opening is placed in close proximity to the outlet situated within the container of the second conduit. When the exhaust fan operates a stream of air enters the container through the third conduit and passes first through the container causing minimum of disturbance to powder which has been delivered and then through the second conduit. This arrangement prevents powder accumulating in the second conduit.
The apparatus preferably forms part of a weighing machine so that predetermined quantities of powder can be delivered accurately into the container.
REFERENCES:
patent: 644855 (1900-03-01), Forster
patent: 2105589 (1938-01-01), Eades
patent: 2524560 (1950-10-01), Cote
patent: 2908299 (1959-10-01), Gosselin
patent: 3118474 (1964-01-01), Eppolito
patent: 3867969 (1975-02-01), Garnett
patent: 3881894 (1975-05-01), Onufer
patent: 4061221 (1977-12-01), Higashinaka et al.
patent: 4182591 (1980-01-01), Stanelle
patent: 4574851 (1986-03-01), Lepisto
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