Spanish patent: Lifting equipment for vertically elevating an octogonal corrugated cardboard
Technical description of this Spanish patent
Apparatus for raising a corrugated cardboard drum equipped with eight thin and smooth faces separated by folds parallel to the vertical direction, closed at the bottom with a base and open at the top. The apparatus comprises in use a lifting support, four pressure members and a suffering structure. The sufridera structure comprises about four first side walls flat and parallel to the vertical direction, facing two to two, and defining an octagonal contour of eight sides suitable for coupling by the part top of the drum. The octagonal contour is configured so that, in use, each first side wall is facing and attached with a respective alternate face of the extrados or intrados of the drum.
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