CLOSURE AND METHOD OF USING SAME

摘要

A closure having an operating member, a lower member having a near end connected to the operating member and a far end spaced along an axial direction from the proximal end. One or more sealing members extend from the lower member. A first bore extends along the axial direction through the operating member and into the lower member. Second bores extend along the axial direction into the operating member. The second bores are located around the first bore with dividers between adjacent bores. The dividers are arranged to increase the compression stiffness of the operating member.