Pressurized dispenser for plural fluids

Claim 1

A pressurized dispenser for primary and secondary fluids comprising a first container for a primary fluid and a second container for a secondary fluid, a valve head common to said first and second containers and having a first port in communication with the second container and a second port in communication with said first container, a reciprocatory valve stem engaging said valve head and having a primary and secondary fluid mixing and discharge bore, secondary fluid passage means communicating with said mixing and discharge bore and communicating with said first port, primary fluid passage means communicating with said mixing and discharge bore and also communicating with said second port, and a single distortable resilient valve element anchored to said valve head and having a part secured to the reciprocatory valve stem, whereby movement of the valve stem in one axial direction distorts said valve element and uncovers said first port in communication with said secondary fluid passage means and also uncovers said primary fluid passage means, said resilient valve element returning automatically to an undistorted condition in covering relationship with said first port and said primary fluid passage means, and wherein said first container is an outer substantially rigid container for pressurized fluid and the second container is disposed within the first container and is formed at least in part of material which is collapsible under the influence of pressure in the first container, said valve head connected with the first and second containers, and wherein said distortable valve element is a resilient annular body mounted on and surrounding the reciprocatory valve stem and having a bore normally covering a part of said primary fluid passage means and having an end surface normally covering said first port in cOmmunication with said secondary fluid passage means when the valve element is in a relaxed and undistorted condition.