Horizontally supported planar surfaces – Industrial platform – Formed from folded semirigid material
Patent
1987-09-15
1989-05-23
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Industrial platform
Formed from folded semirigid material
108 561, B65D 1912
Patent
active
048319384
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a pallet comprising two or several base members provided with a number of holes at or at a minor distance from the upper load-bearing horizontal surfaces thereof, through which crosswise members or tubes are inserted under friction so as to unite the base members to the formation of the pallet. The tubes do not require specific fixation to the base members and are kept in position due to friction and the so-called "drawer effect"; the friction is considerably increased when the pallet is loaded.
The base members in the pallets according to the invention may, however, be united with each other by attaching a board of a suitable material (common board, plywood, etc.), e.g. by gluing, to the upper horizontal surfaces of the base members, in which case the above mentioned holes are not required or utilized. This board then forms the load-bearing plane. When tubes are used to unite the base members the load-bearing parts of the pallet comprise the upper parts of the tubes and the upper surfaces of the base members in combination. If desired or required in view of the dimensions of the goods to be transported the pallets may be provided with one board above the base members or several boards located between the same, which board or boards form a smooth and continuous load-bearing plane.
A pallet of the kind described above is the subject of WO . . . (PCT/SE 85/00346), which is incorporated herein as a reference.
The purpose of the said patent is to achieve a pallet which can be handled by forks from four sides, comprising at least two base members provided with holes near the upper load-bearing surfaces and with recesses in the lower parts, intended to receive the forks of a conventional fork lift truck, which pallet has a very low weight, is cheap, has a great flexibility as regards adaptability for different purposes, is not bulky when stored since it can be stored in the form of its separate parts. If desired, this pallet can be destroyed after use by burning without the formation of toxic or otherwise disturbing gases. This pallet can be handled and moved by a fork lift truck from all four sides; the forks can be inserted below the tubes from two sides and through the recesses in the base members from two sides, which is required for rational handling and storage of goods.
The base members for the pallets according to the present invention are in comparison with those previously known extremely cheap when manufactured in bulk and have a very low weight at a sufficient load-bearing capacity and fulfil all current requirements.
Accordingly, the present invention relates to a pallet comprising base members and, preferably, tubes perpendicularly thereto, especially a disposable pallet, characterized in that it comprises base members manufactured by winding a web material coated with a gluing substance, the width of said web material preferably being equal to the length of the base member, at first around a first spindle, preferably with a rectangular cross-section, the height of which corresponds to the diameter or height of the tubes and the width of which is adapted to the width intended for the base member, the number of turns giving the intended structural stability, to the formation of a first bobbin, whereupon a second spindle is placed below the said first bobbin and in contact with the lower surface of the said first bobbin, the dimensions of the said second spindle being such that the same together with the said first bobbin essentially completes the intended inner dimensions of the base member, whereupon the web material with a surface-coating of a gluing substance are wound around the structure formed by the said first bobbin and the said second spindle the number of turns required for the intended structural stability to the formation of a second bobbin enclosing the first bobbin, whereupon the web is cut and the spindles removed, and in that recesses for the forks of a fork lift truck are provided in the said second bobbin and holes for the said tubes are made throug
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WO, 83/03238 (B. Voss-Schrader), Sep. 29, 1983, International Publication.
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Atterby Fred
Tenggvist Lennart
Voss-Schrader Bertil
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