Abstract: A container comprising a main portion (1) with variable capacity and a cover (2) which may be coupled in dovetail manner, with a leak-tight sealing and with no possibility of disassembly, the cover embodying a filling window (16) which may be shut by a rotatory disk (9) which in turn is provided with two diametrically opposite windows (17) and (19), the first of which faces the window (16) during the container-filling phases and is located diametrically opposite during the temporary-sealing phases, implementing a hermetic sealing; while in the second window there is located a blocking button (22) which, after the final filling of the container, is capable of being moved inside, immovably blocking the shutter disk (9) at the cover (8) and implementing the final, non-workable sealing of the window (16) of said cover.

Abstract: A closure for a waste container, which has a lid having a covering surface for covering the mouth of the container, a peripheral first groove in the circumference of the lid, the first groove being open in a direction away from the covering surface and defining an inner peripheral wall having an outer free end, and an outer peripheral wall having an outer free end with peripherally spaced lockable detent projections at the outer free end, the inner and outer peripheral walls being substantially perpendicular to the covering surface, a sealing gasket within the first groove for contacting the mouth when the lid is tightly closed, a lateral extension at the periphery of the lid outwardly of the first groove and forming a second groove in the extension, wherein the second groove being open in a direction that is opposed to the direction of the opening in the first groove, the second groove accommodating a hinge pin attached to the container for attaching the lid to the container mouth, a peripheral lateral exten