B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
190/34.4
B65D 21/02 (2006.01) B65D 1/26 (2006.01)
Patent
CA 1063535
CUPS CAPABLE OF NESTING A B S T R A C T A cup comprising a bottom and sidewall, the cup being shaped so that it can be assembled into a stack between other identical cups, in upright attitude, into a condition in which: a) the upper of two adjacent cups is supported by the cup below, without jamming, b) the two adjacent cups define between them a space, c) the two adjacent cups are restrained from axial displacement away from each other unless predetermined axial separating forces are applied to the two cups, d) the space is cut off from atmosphere by a seal, or near-seal, provided by cooperation between a circumferential surface on one Or the two adjacent cups and a circumferential line or surface on the other or the two cups, e) the support is provided in conjunction with the seal or near-seal, or by separate cooperating portions of the two cups, f) and the restraint is provided by the seal or near-seal, or by separate cooperating portions of the two cups, the cup being distinguished by the features that: g) the cup is of integral construction, or a cellular plastics material, of substantial wall thickness, h) and the dimensions or the cup prior to assembly with identical cups are such that the establishment Or the support and restraint defined in (e) and (f) involves localised indentation of the exterior, or the interior, or both, Or the cup, with consequent localised compression of the cellular plastics material.
302350
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