Patent ID: 8033432

Claim:
A distribution device for fluid product, including a reservoir ( 1 ), containing the fluid product and a propellant gas, and a valve ( 10 ), including a valve body ( 11 ) and a valve stem ( 12 ) sliding in said valve body ( 11 ) between a rest position and a distribution position, wherein said reservoir ( 1 ) is made from a one-piece part with said valve body ( 11 ), said reservoir ( 1 ) and said valve body ( 11 ) being rigid and made from a high performance synthetic material resistant to the pressure of the propellant gas, said material having a low permeability to water and to gases; wherein said synthetic material has a permeability to oxygen less than 10 cm 3 /m 2 /day and a permeability to water less than 10 g/m 2 /day at a pressure of 1 bar for a thickness of 25 μm; wherein said synthetic material comprises LCP (Liquid Crystal Polymer); and wherein said propellant gas comprises HFA-134a or HFA-227 gases, with or without alcohol.