B65D 50/045

Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one {where one action elastically deforms or deflects at least part of the closure, the container or an intermediate element, e.g. a ring }