Patent ID: 6910595

Claim:
A holder assembly for a disposable liner that expels air from said liner, said holder assembly comprising: a holder having an outer circumference and an axial channel inwardly recessed from said outer circumference, wherein said axial channel has a channel width; and a plunger having a disk and a positioner connected to said disk, wherein said positioner has a positioner width, wherein said disk is removably disposed in said holder and movable in an axial direction in said holder to urge air from said liner, wherein said positioner has at least a portion thereof that is accessible from outside of said holder along said axial channel and movable along said axial channel, wherein said plunger engages said axial channel, wherein said plunger is separated from said holder along an area opposite said axial channel, and wherein said channel width is greater than said positioner width so that said positioner is at least partially recessed in said axial channel.