Closure device

Details Closure device Closure device

B - Operations, Transporting

65

D

206/59

B65D 39/02 (2006.01) A47K 1/14 (2006.01) A61L 9/12 (2006.01) B65D 39/00 (2006.01) B65D 39/04 (2006.01) H01H 37/54 (2006.01)

Patent

CA 1182783

Patent Application of WINDMILL PLASTICS LIMITED CLOSURE DEVICE A B S T R A C T (Fig. 7) A closure device, which may serve as a bottle closure (Fig. 7) or as a sink plug, or may constitute a container such as for an air-freshener material, comprises a base (25) and a lid (28) formed by a resiliently deformable disc centrally resiliently mounted on a bridge (12) spanning the base and capable of flexing reversibly between two stable dished conditions, respectively an externally convex closed form and an externally concave open form.

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