Patent ID: 8550292

Claim:
A closure arrangement for a container comprising: a bottom wall; a peripheral side wall which presents an upper edge surrounding an opening and which internally incorporates a circumferential recess; a lid comprising a median lower wall and a peripheral upper wall externally provided with a circumferential rib configured to be fitted in the circumferential recess of the peripheral side wall, so as to lock the latter against the container, upon fitting the lid in the interior of said opening; and a circumferential groove configured to house a sealing ring to be internally seated against the peripheral side wall, upon the fitting and axial retention of the circumferential rib in the circumferential recess, the sealing ring free from contact with an end portion and a retention portion during axial displacement of the fitting and unfitting of the lid in relation to the container; the circumferential groove, carrying the sealing ring, is provided inferiorly to the circumferential rib of the lid, so that the sealing ring is seated against a sealing portion of the peripheral side wall defined beneath the circumferential recess of the latter, wherein the peripheral side wall defines, beneath the upper edge and sequentially in a downward direction, the end portion, the retention portion and the sealing portion.