Receptacles – Drain pan or drip pan
Patent
1997-07-10
1998-10-20
Moy, Joseph M.
Receptacles
Drain pan or drip pan
206386, 206508, 220630, 220636, B65D 2102
Patent
active
058233822
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a baseplate for a pallet container, which pallet container comprises a foot section with, arranged thereon, a container section for fluid products, the baseplate being equipped to support the container section and being shaped to correspond with the underside of the container section and being provided with at least one downward-sloping section running towards a recess in the base section, which recess is arranged to accommodate a valve for the container section.
A baseplate of this type is generally known in the prior art. In this context it is important to construct the baseplate in such a way that the container section which is supported by said baseplate and in general will have a base of the same shape is positioned such that the fluid present in said container runs towards the recess where a valve is arranged.
In European Application 0 509 228 it is proposed to construct the lowest point of the baseplate such that it is located in the centre, so that the fluid from the container always flows from the periphery towards the middle and from there moves, via a longitudinal channel which opens into the recess, towards the valve. In the vicinity of the raised periphery the baseplate is provided with a flanged section which faces downwards and the free end of which rests on the pallet foot.
Although a construction of this type is adequate from the standpoint of drainage of fluids, there is the disadvantage that a baseplate of this type must be of relatively heavy construction. Firstly, there is increased material consumption because of the flanged section. Said flanged section is necessary on the grounds of robustness. Because of the tapering towards the centre, there will be a tendency at this point, because of severe stress on the baseplate, for said baseplate to sag downwards, which necessitates additional robustness. This implies a further increase in material consumption. The baseplate must also provide protection against external influences, such as, for example, the tines of a fork-lift truck. The baseplate according to the prior art has an upward-sloping section, so that if the tines of, for example, the fork-lift truck come into contact with said upward-sloping section, the tines are guided upwards over the upward-sloping section and will then damage the unprotected part of the container section arranged on the baseplate.
Moreover, it has been found that it is complicated to produce a baseplate of this type.
SUMMARY OF THE INVENTION
The aim of the present invention is to provide a baseplate which can be produced relatively simply, a smaller amount of material being needed, so as, in this way, to reduce the costs of the pallet container (or IBC). The lower weight also improves the ease of handling of the pallet container.
This aim is achieved with a baseplate as described above in that the bearing surface of the baseplate is constructed such that it slopes downwards from the middle to the outer periphery and has gutter means around the periphery.
By making the baseplate of convex construction sloping downward towards the outside, that is to say constructing it such that the centre is the highest point, a force directed towards the outside will act when the baseplate is placed under load. If the baseplate is fixed at the periphery, the resistance to sagging will be increased, as a result of which the baseplate can be produced from a relatively weak material section. With the construction according to the invention, a gutter is formed around the periphery of the baseplate. A corresponding gutter is formed in the container section, by which means the discharge of fluid takes place via said gutter. With this arrangement both said gutter and the gutter in the baseplate are, of course, of such construction that said gutters are higher on the side remote from any valve than in the vicinity of the valve in order to make flow towards the valve possible. Because the baseplate according to the present invention is subjected to less deformation th
REFERENCES:
patent: 3338459 (1967-08-01), Smith
patent: 4690299 (1987-09-01), Cannon
patent: 5253777 (1993-10-01), Schultz
patent: 5316174 (1994-05-01), Schultz
patent: 5346094 (1994-09-01), Strawser
patent: 5429236 (1995-07-01), Evans
patent: 5474205 (1995-12-01), Lancaster
Feijth Harald
Maria Van Giezen Maurice Gerardus
Koninklijke Emballage Industrie Van Leer B.V.
Moy Joseph M.
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