Patent ID: 6202872
Filing Date: 2001-03-20
Classification: B65D

Abstract:
A composite closure, comprising:an outer closure cap having a top wall portion, and an annular skirt portion depending from said top wall portion, said skirt portion including an inwardly extending annular shoulder positioned at the juncture of said top wall portion and said skirt portion, anda sealing liner positioned within said closure cap adjacent the inside surface of said top wall portion, said liner including a generally inwardly facing sealing portion at the periphery thereof adjacent said annular shoulder of said skirt portion,said sealing liner further including an annular seal bead projecting downwardly away from said top wall portion adjacent the juncture of said top wall portion and said skirt portion, said seal bead presenting a generally downwardly facing sealing surface for sealing cooperation with said inwardly facing sealing portion of said liner,said top wall portion of said closure cap including a central region, and a peripheral reinforcing region extending from said central region to said depending annular skirt portion, said reinforcing region having a thickness greater than said central region, and overlying said annular seal bead of said sealing liner.