Patent ID: 11896109
Assignee: IM PRO MAKEUP NY LP
Field: Chemical engineering (Chemistry)
Classification: CPC A  B | IPC A  B

Claim 12:
13. A sealed and self-contained air-less cartridge for use in a dispenser, the dispenser having a housing, the housing including a retaining cover and a dispenser body and adapted to removably receive a sealed and self-contained air-less cartridge and a pump adapted to dispense a fluid cosmetic product contained in the sealed and self-contained air-less cartridge, the sealed and self-contained air-less cartridge comprising:
a body having a top and a bottom and generally defining a cosmetic product reservoir therebetween and configured to be received within a dispenser shell, the top including an opening through which a portion of a dispenser pump is received into the reservoir and is in fluid contact with a fluid cosmetic product contained in the reservoir, the body having a neck portion proximate the opening and being configured to be received through the retaining cover;
a connector portion disposed at the top and adapted to matingly connect the air-less cartridge to the dispenser pump;
a cover disposed over the opening and adapted to prevent spillage of fluid cosmetic product contained in the reservoir prior to installation of the cartridge in the dispenser, the cover being displaceable to permit a portion of the dispenser pump to be disposed within the reservoir upon installation of the cartridge in the dispenser;
a seal cover disposed over the replaceable airless cartridge opening and configured to be removed or pierced to permit access to the fluid contained in the reservoir by the pump assembly when installed;
a piston disposed at the bottom and at least partially in the reservoir opposite the dispenser pump when the cartridge is installed in a dispenser; and
a fluid cosmetic product disposed in the reservoir;
wherein with the cartridge installed in a dispenser and upon operation of the dispenser pump, the fluid cosmetic product in the reservoir moves through the dispenser pump and out a dispenser opening and the piston moves by an amount corresponding to a volume of the product dispensed.