Closures

Details Closures Closures

B - Operations, Transporting

65

D

206/28

B65D 1/12 (2006.01) B65D 1/16 (2006.01) B65D 41/18 (2006.01)

Patent

CA 1119556

CLOSURES Abstract of the Disclosure A container closure especially for large containers and having circumferentially spaced tool access regions in a rim flange for insertion of a removal tool. These access regions are located between a base of the flange and a locking bead. Between the access regions, sections of a discontinuous locking bead extend around the inside of the flange, the bead being discontinuous across the circumferential area occupied by the access regions to enable a removal tool to be inserted downwardly through the access regions and between bead sections. Rim stiffening pro- trusions project from the outer surface of the flange beneath the access regions and across the circumferential line of the locking bead to stiffen the flange to prevent it from splitting when a removal tool is inserted down through the access regions and between bead sections. Any force applied by the tool to flex the flange outwards is carried circumferentially around the flange to cause flange flexure at the bead sections and assist in unlocking the bead.

331233

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