20100116849 | DEVICE FOR DISPENSING A LIQUID TO PASTY PRODUCT WITH A METERING PUMP - A device for dispensing a liquid to a pasty product is placed at the open end of a rigid container and includes a manual dosing pump for dosing a predetermined amount of product to be dispensed. The device has a base member to be placed on the container, a push button with a dispensing spout capable of a pumping action against a bellow including an opening-closing system formed at the upper end of the bellow. The opening-closing system includes a first inner peripheral collar formed at the upper end of the bellow and associated with a second collar of the bellow that is concentrically arranged relative to the first one and inserted in the same groove of the push button, wherein a locking tab capable of blocking the opening protrudes from the collar. | 05-13-2010 |