Patent ID: 8070012

Claim:
A closure arrangement for cans and pots of the type having a tubular body in metallic sheet and having a side wall presenting an upper edge which defines a seat for the seating and retention of a lid made of plastic material and to be manually removed, wherein the upper edge of the side wall comprises a peripheral annular flange projecting radially outwardly from the tubular body, being internally incorporated to the latter and carrying, in a free outer edge, a continuous rib presenting a cross-section with a contour tangent to and projecting upwardly from the peripheral annular flange and which presents a cross-section contour comprising two opposite circle arc portions with curvature centers disposed in the same plane (P) orthogonal to the axis of the tubular body, the lid being inferiorly provided with a continuous circumferential groove which comprises an upper annular wall portion, and an inner wall portion and an outer wall portion to be seated, by elastic deformation of at least one of the parts of continuous rib and lid, against the respective circle arc portions of the continuous rib, above and below the plane, so as to axially lock the lid in the tubular body, said arrangement further comprising an annular gasket carried by one of the parts of peripheral annular flange and lid and which is pressed by the other of said parts upon closing the lid.