Patent ID: 6688793
Filing Date: 2004-02-10
Classification: A45D

Abstract:
An applicator for a product, the applicator comprising:a body comprising an interior having a non-circular cross-section and a first end closed by an applicator wall; a piston configured to move in a sealed manner along the interior of the body; a drive mechanism configured to drive the piston towards the applicator wall to cause product to pass through the applicator wall; and a rod associated with the drive mechanism, the rod comprising a channel passing through at least a portion of the rod, the channel having a first opening configured to open to the outside of the body and having at least one second opening located between the piston and the applicator wall when the piston is located at a maximum distance from the applicator wall, wherein the rod defines at least one vent orifice configured to allow air to escape during filling of the body with product via the channel, and wherein a portion of the channel facing the applicator wall does not open axially into the body.