Composite closure with seal proportioning lip

Details Composite closure with seal proportioning lip Composite closure with seal proportioning lip

B - Operations, Transporting

65

D

B65D 53/04 (2006.01) B65D 41/04 (2006.01)

Patent

CA 2071531

2071531 9203350 PCTABS00010 A composite closure (10) with a side seal proportioning lip is disclosed, with the closure including an outer plastic closure cap (12), and a plastic sealing liner (30) positioned adjacent a top wall portion of the cap. The sealing liner (30) includes a central disc-shaped portion (32), and an integral relatively thick, annular sealing bead portion (34). The closure is thus configured to effect a ''top/side seal'' with an associated container (C). The construction includes an annular liner-retaining lip (38) having a relatively flexible annular inner edge portion (44) which coacts with the sealing bead portion (34) of the liner (30) to self-adjust and proportion the degree of sealing engagement between the sealing bead portion (34) of the liner (30) and the associated container (C).

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