Patent ID: 6948639

Claim:
A device for packaging and dispensing of a product, comprising: (a) a container to hold the product, the container being delineated by a body having a closed bottom at one end, the container body including an inner wall; (b) a movable element having an actuating element associated therewith, wherein said movable element is movable relative to the body of the container and capable, in response to an action exerted manually on a surface of the actuating element, of moving from a first position in which a first lip of the movable element is at a non-zero distance from the inner wall to a second position in which the first lip is engaged with said inner wall; and wherein the movable element includes an upper lip capable of bearing in a leaktight manner against said inner wall during at least part of its movement from the first position to the second position, and wherein the first lip and the inner wall cooperate to enable, at least during a first use, a dose of said product to be isolated and compressed to cause expulsion of the product through at least one dispensing aperture, and further wherein a return movement of the movable element from the second position to the first when the actuating element is released is accompanied by an entry of air into the container.