MULTI-LAYER GASKET FOR AN AEROSOL CONTAINER CLOSURE

摘要

2087349 9201609 PCTABS00010 A gasketed mounting cup (10) comprising a panel (12), an outwardly flared skirt (14) integral with and depending from the periphery of the panel and forming an annular channel (15) for receiving a container bead that defines the container opening and a multi-layer gasket (17) positioned in the channel portion of the mounting cup, which gasket comprises a middle layer (20) of rigid plastic material, an inner layer (22) of soft plastic material adjacent the channel of the mounting cup and an outer layer (24) of soft plastic material for engaging the container bead. The middle layer is preferably high density polyethylene or polypropylene and the inner and outer layers are preferably linear low density polyethylene. A layer of thermally activated adhesive can be placed adjacent the inner layer.