Dispensing – With casing or support – For bottom discharge dispenser supported on horizontal surface
Patent
1998-03-24
1999-10-26
Shaver, Kevin P.
Dispensing
With casing or support
For bottom discharge dispenser supported on horizontal surface
222460, B67D 506
Patent
active
059712198
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
This invention relates to the discharge of containers.
BACKGROUND OF THE INVENTION
Many forms of container are used to house and transport dry flyable materials. Containers of the type which comprise a pallet or base to which is mounted four interlocked sides. Whilst this the invention has been devised with the above form of container particularly in mind it is not limited to such containers.
When containers have to be emptied the methods adopted depend to a large extent on the contents of the container. In the case of flowable material, such as granules, gravitational discharge would be possible. To facilitate this the container could have a bottom discharge port, however attempts to develop a suitable container have been less than totally successful.
An alternative is to tilt the container to an extent required to cause the contents to flow from the container. If uncontrolled discharge is not to occur the flow rate of the material has to be continually monitored and the tilt of the container adjusted to maintain a required discharge rate. This discharge method is labor and/or time intensive and is therefore not favored.
Another discharge method would be to mount a hood with a discharge opening fitted with a flow controlling device to the open top of the container and then support the container in an inverted condition. The challenge with this method is how to invert the container and support it in the inverted manner in the most efficient and economical manner. The present invention addresses this problem.
BROAD STATEMENT OF THE INVENTION
A hood for a container having four sides, a base and an open top; the hood includes a four sided frame with a seating end to sit on top edges of the four sides of a container at the open top of the container, legs on the frame extend away from the seating end of the frame, a discharge chute having a entry end and a smaller discharge end with the chute ends separated by a tapered chute body, the chute entry end is fixed to the hood frame adjacent the frame seating end and the chute body extends away from the frame seating end in the same direction as the frame legs, socket means on the hood frame to receive hood lifting means, said socket means being movable towards and away from the frame seating end between a working position and a rest position where the rest position is closer to said frame seating end than is said working position, latching means on the hood frame connected by linkage to the socket means, the latching means is movable between a latching condition to couple the hood to a container and a release condition and is biassed to the latching condition, the latching condition and the release condition of the latching means respectively correspond with the rest position and the working position of said socket means.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic illustration of a container of the general form with which the hood of the present invention is intended to be used,
FIG. 2 is a schematic end view of a hood according to the invention,
FIG. 3 is a schematic side view of the hood of FIG. 2,
FIG. 4 is a view similar to FIG. 2 with the hood lifted to place the latching means on the hood is a release condition,
FIG. 5 is a schematic view of the hood of FIG. 2 mounted on a container and
FIG. 6 is a schematic view of the container and hood of FIG. 5 inverted ready for the discharge of the container contents through the hood chute.
DETAILED DESCRIPTION OF THE DRAWINGS
The container 1 of FIG. 1 comprises a base 2 with upstanding sides 3,4,5,6 which can be permanently erected on the base, or can be hinged to the base to allow the sides to fold down and overlie the base or can be demounted from the base. A lid 7 is normally provided for the container.
The sides 3 to 6 of containers of the above type are commonly constructed of a metal frame with a top rail 8, a bottom rail 9 and an intermediate rail 10 all end connected to frame uprights 11 and 12. The frame rails and uprights are conventionally made of tubular stee
REFERENCES:
patent: 4228929 (1980-10-01), Gross
patent: 4247021 (1981-01-01), Reiner et al.
patent: 5441321 (1995-08-01), Karpisek
patent: 5445289 (1995-08-01), Owen
patent: 5702034 (1997-12-01), Semenenko
patent: 5860566 (1999-01-01), Lucs
Schindler Edwin D.
Shaver Kevin P.
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