Patent ID: 7810675

Claim:
An aerosol package, comprising: (a) an aerosol container comprising a first closed end and an opposing second end, the opposing second end comprising a circumferentially extending wall and a terminally positioned rim defining an opening; (b) a liner disposed within the aerosol container, the liner comprising a liner body and a liner neck extending from the liner body, the liner neck comprising a radially extending member and a flange; and (c) a valve cup disposed within the liner neck, the configuration of the valve cup, the liner neck, and the terminally positioned rim are such that: (1) in a first position, before the valve cup is inserted into the opening, said flange of said liner neck rests on said terminally positioned rim; and (2) in a second position when said valve cup is inserted into the opening of said opposing second end, the cup contacts the radial expending member, whereby said flange is repositioned to expose a portion of said terminally positioned rim and said exposed portion of said terminally positioned rim and said valve cup form a seal.