Patent ID: 8573439

Claim:
A closure arrangement for a container in metal sheet, comprising a peripheral side wall having an end portion in which is applied an end wall, the arrangement being characterized in that the end wall comprises a median panel and a peripheral skirt projecting axially outwardly, one of the end portion and the peripheral skirt being provided with a circumferential rib turned to the other of the peripheral skirt and the end portion, and where in the other of the end portion and peripheral skirt being provided with a circumferential groove defined between two face portions and conformed to be fitted onto the circumferential rib, upon the fitting of the end wall in an interior of the end portion of the peripheral side wall and upon the seating of the face portions of the peripheral skirt against the end portion, the circumferential rib and circumferential groove presenting confronting median portions which are radially spaced to form, therebetween, a circumferential gap (F), in the interior of which is compressed an elastic sealing element.