| 摘要 |
<p>A dispenser comprising a valved aerosol container (22) and a unitary flexible barrier member (10) having a wall portion (12) terminating in a sealing portion (16). The sealing portion (12) is joined to the container (22) in either a top seal or a bottom seal relationship. The wall portion (12) has first and second wall portions (14, 17). The second wall portion (17) terminates in a sealing flange (16). The wall portion (12) is steeply frusto-conical and sufficiently thick and rigid to be free-standing before incorporation into a container (22). The barrier member (10) is nestable with like barriers.</p> |
