Patent ID: 6662963
Filing Date: 2003-12-16
Classification: B65D,Y10S

Abstract:
A vessel, comprising a vessel body formed of metal and having an approximately cylindrical wall, a bottom and a cover; and a plastic ring provided at each of opposite ends of the vessel body and extending radially beyond the vessel body, wherein at least one of the plastic rings includes a flange ring, an arc-shaped ring which abuts a section of the vessel body, and an intermediate ring which connects the flange ring with the arc-shaped ring and has a reduced diameter waist-like portion,wherein the arc-shaped ring comprises a retaining ring engageable in an associated circular groove formed in, the vessel body, a curved section encompassing a transition region between the wall of the vessel body and one of the bottom and the cover, and a section extending past a connection point of the arc-shaped ring with the intermediate ring and toward a center of the one of the bottom and the cover, and wherein the section, which extends past the connection point of the arc-shaped ring with the intermediate ring, has a thickness which constantly decreases from the connection point to an inner edge of this section.