Child-proof closure

Details Child-proof closure Child-proof closure

B - Operations, Transporting

65

D

206/26

B65D 55/02 (2006.01) B65D 50/04 (2006.01)

Patent

CA 1286254

Abstract: A closure, particularly a child-proof closure for the openings of containers, particularly bottles. The closure can be opened or closed only under combined axial and rotational forces. It is impossible to exert too great a turning force when the closure is being fastened down. For this purpose a clutch is provided between an inner and an outer cap of the closure, having at least one elas- tically bendable coupling element, that is inoperative when the closure is not being opened or closed, and is deformable under axial force directed towards the open- ing and the consequent axial movement. This generates a frictional force between the caps which causes the inner cap to rotate with the outer cap. The coupling element can be a bendable membrane, a part of which is folded back on itself, or walls in the form of hollow conical frustums which co-act with other such walls, or exert a clamping action against an annular projection on one of the caps.

452856

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