Patent ID: 8430259

Claim:
A container closure assembly comprising: an inside member formed on a container and having a generally cylindrical wall, the cylindrical wall defining a thread, the cylindrical wall further including a top and a bottom; an outside member including a generally circular cap body and an annular ring extending outward from the cap body and over the top of the cylindrical wall, the annular ring shrouding at least a portion of the cylindrical wall, the annular ring defining a thread for engaging the thread on the cylindrical wall; and a flexible diaphragm operatively attached to and spaced apart from the cap body; a connecting member defining a plurality of protrusions, wherein each of the plurality of protrusions are connected to the center of the cap body and connected to the center of the flexible diaphragm and extend between the cap body and the flexible diaphragm, and wherein the connecting member separates the cap body and the flexible diaphragm, wherein the flexible diaphragm deflects in response to a change in pressure within the container, and wherein the flexible diaphragm is configured to contact the top of the cylindrical wall to create a leak resistant seal.