(57) 0 A tight receptacle having a gasket between a body and a closure, characterized in which either the body or the closure having a pair of shafts at the opposite sides thereof for pivoting a pair of rotary locking members, the other having a pair of projections at vertically downward positions with respect to the shafts when the closure is put on the body, the locking members having cam grooves consisting of external cams and an internal cams, the external cams comprising lobes for expanding between the shafts and the projections, and the internal cams comprising lobes for narrowing between the shafts and the projections.