Packing material
AssigneeRiken Spring Industry Co., Ltd.
InventorJiro Morita
Life of this patent
Estimating the term…
Abstract
A packing material especially for coil springs is proposed which provides for neat packing of springs without fear of springs intertwining each other. The packing material has a plurality of grooves or troughs for containing coil springs.
Claims5
A packing material for coil springs or similar articles, said material comprising a corrugated fiberboard having an adhesive layer on the outer surface of the corrugations to fasten coil springs or similar articles in the grooves between the corrugations.
A packing material for coil springs or similar articles, said material comprising a trough member having a base and a pair of side wall portions extending upwardly from the base, said side wall portions having at their top end curled lips spaced from each other by a smaller distance than the diameter of said coil spring or similar article to be contained therein.
A packing material for coil springs or similar articles, said material being made of a flexible material and comprising a body portion formed with a plurality of troughs for accommodating said coil springs or similar articles therein and a covering having an adhesive layer on its underside adapted to cover the upper surface of the body portion with the coil springs contained in said troughs.
A packing material for coil springs or similar articles, said material being made of a flexible material and comprising a strip formed with a plurality of troughs for accommodating said coil springs or similar articles therein each of said troughs being provided with a projection at each end thereof to prevent said coil spring or similar article from sliding out of the trough and a further projection at each side of said trough at a position adjacent to the opening of said trough to prevent sidewise movement of said coil springs.
Dependencies are inferred from the claim text.