Patent ID: 7546935
Filing Date: 2009-06-16
Classification: B67D,Y10T

Abstract:
1. A valve assembly comprising a body adapted to be engaged in an opening in a container, a valve seat, a closure member biased into engagement with said valve seat to prevent fluid flow, in use, past the valve seat, and being movable against said bias to permit such flow, and locking means movable from a first position, in which it is disposed before engagement of the body in said opening in the container, in use, to a second position once such engagement has occurred, and in which second position of said locking means, non-pivotable projection means prevent passage of the valve assembly through said opening, wherein stop means fixed in the interior of said body are engaged by said locking means in its second position, wherein the stop means is an annular retainer through which a valve stem is slidable to move the locking means from its first to its second position.