IMPROVED METERING SYSTEM

摘要

The invention relates to an improved dispensing system for dispensing a liquid in the form of drops, comprising: a lid; a metering unit equipped with a skirt having a projection or ridge at the lower end thereof; and a packaging container comprising a shoulder surface located on the inside of the shoulder, said shoulder surface retaining the metering unit by engaging with the projection or ridge on the insert, thereby preventing the metering unit from being removed from the container. During the opening of the improved metering system of the present invention, a ring that is secured to the body of the lid breaks into sections, preventing the ring from being returned to it position on the lid and thereby preventing the metering unit of the invention from being re-used to package another substance.