Special receptacle or package – With pallet feature
Patent
1994-10-18
1996-03-26
Gehman, Bryon P.
Special receptacle or package
With pallet feature
206509, 220401, B65D 1900, B65D 9020
Patent
active
055013341
DESCRIPTION:
BRIEF SUMMARY
The invention refers to a pallet container for storage and transport of liquid contents according to the features in the preamble of claim 1.
Such a pallet container is known e.g. from U.S. Pat. No. Des. 297,619. When stacking such pallet containers with a support jacket in form of a wire cage in so-called lightweight construction--without massive angle frame supports and without stable corner posts--the stacked bottom pallet, e.g. a wooden pallet with three single stringers can result in an uneven load distribution and load introduction into the lower cage jacket. Also, the narrow upper rim of the support jacket of the cage complicates an exact placement of a filled heavy pallet container by means of a forklift truck and makes it almost impossible to displace and straighten a stacked pallet container along the rim of the lower support jacket.
It is an object of the present invention to provide a pallet container with increased stability and improved stacking capability.
This object is attained in accordance with the present invention in a pallet container of lightweight construction of the type having a support jacket made of crossed pipe bars or cage bars without massive corner support by providing a cover plate which covers the top plate of the inner container from above and includes a central opening for access to the upper charging opening, wherein the cover plate is fixedly secured about its circumference to the rim of the support jacket and wherein the upper rim of the support jacket is formed by the uppermost horizontal circumferential cage bar or pipe bar, with the cage bar or pipe bar being overlapped from above in horizontal or radial direction by the cover plate and from outside in vertical or axial direction by a flange rim which projects downwardly essentially at a right angle.
The provision of the upper cover plate upon the pallet container advantageously creates during stacking of like pallet containers for the bottom pallet of a stacked pallet container a large flat standing area in upward direction and an even load distribution and thus load introduction in downward direction into the support jacket of the subjacent pallet container. Also, the forklift operator can now in a considerably more simple manner stack and precisely align, possibly through shifting, the pallet containers.
Moreover, the upper rim of the support jacket is better protected during transport against spotwise loads which result in possible lateral buckling. The overall stability of the lightweight pallet container is improved.
Since the cover plate bears throughout upon the uppermost horizontal circumferential cage bar or pipe bar of the support jacket, and since the uppermost cage bar is received in a respective recess or circumferential groove of the underside of the cover plate in the area of the flange rim which is arranged there, the upper rim of the support jacket is securely fixed in the plane of the cover plate and a buckling or giving-way in horizontal or radial direction is prevented.
In accordance with the invention, the pallet container has a particular overall stability by extending at each side of the support jacket or/and in its corner areas at least one vertical cage bar or pipe bar upwardly beyond the uppermost horizontal circumferential cage bar, passing it through a respective bore in the cover plate and securing it from above to the cover plate.
Suitably, the vertical cage bars which are upwardly extended and traverse the bores in the cover plate are provided with a screw thread, and the cover plate is fixedly but easily detachably screwed and mounted from above to the extended cage bars by counternuts or flange nuts.
This permits a simple and cost-efficient assembly of the individual components of a pallet container, on the one hand, and a simple detachment of the cover plate in such a pallet container e.g. when replacing or renewing a thin-walled inner plastic container while allowing repeated use of the remaining pallet components, on the other hand.
Moreover, such a pallet container can easily b
REFERENCES:
patent: 4909387 (1990-03-01), Schutz
patent: 4947988 (1990-08-01), Schutz
patent: 5366090 (1994-11-01), Schutz
Burgdorf Ma/ rten
Przytulla Dietmar
Feiereisen Henry M.
Gehman Bryon P.
Mauser-Werke GmbH
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