| 摘要 |
The specification discloses a number of improvements to polygonal, preferably square, stackable drums. Specifically, the specification discloses, a polygonal, stackable drum (1) comprising; a) a polygonal top (2) having an upraised perimetral rim, (3) formed with a channel (30) immediately inward from the rim (3), with or without a removable lid, b) a polygonal base portion (31) at the bottom of the drum (1) with or without drain holes, having a plurality of feet (9) to be received within the channel (30) of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein; i) each foot (9) is provided with an outwardly projecting step (10) to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum, and, ii) at least one foot (9) may be provided with a shoe, the or each shoe being fixedly attached to the foot, on or after forming of the foot, hook or sling receiving means may be provided on the foot or the shoe, and, c) a side wall surface (6) with or without substantially vertical strengthening ribs, the perimetral rim (3) extending upwardly from the side wall surface; wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum. |
