One-piece plastics closure

Details One-piece plastics closure One-piece plastics closure

B - Operations, Transporting

65

D

206/21, 206/22

B65D 41/04 (2006.01)

Patent

CA 1258251

"ONE-PIECE PLASTICS CLOSURE" ABSTRACT A one-piece plastics closure for a carbonated beverage bottle has a sealing ring (17) pivotally attached at the junction between its closure panel (10) and dependant skirt (11), The sealing ring is forked, having two annular and mutually divergent fins 20,21. The upper fin (20) is engaged by the free end of the container neck as the closure is fitted, and by pivotal movement of the sealing ring brings the lower fin (21) into sealing relation with the side surface of the container finish. The resilience of the closure material and the substantial deformation to which the sealing ring is subject thereafter maintain the effec- tiveness of the seal despite creep and backing-off of the closure which may occur.

466269

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