METAL FIXING RING CAPABLE OF BEING SCREWED FOR FIXING A DISPENSING DEVICE ON A CONTAINER

摘要

The invention discloses a metal fixing ring capable of being screwed for fixing a dispensing device, such as a pump or a valve, on a container comprising a neck and containing a product to be dispensed, the said ring comprising an internal thread co-operating with the external thread provided on the said container neck, characterised in that the ring comprises a plastic material coating on the internal surface that comprises the said thread.