Method for the removal of a fluid material from a container and a container provided with a valve of special construction for carrying out the method

Abstract From the Canadian patent

A method for the removal of a fluid material from a container and a container for carrying out the method wherein the container is provided at its lowest part with a self-closing valve adapted to be opened by an upward thrust and wherein a drain tube is provided below the valve, at least a section of the drain tube being adapted to move upwardly so as to co-operate with the valve a, striking means being provided on the drain tube and adapted to provide an upward thrust to the valve body of the valve as the striking means upwardly so as to open the valve thereby causing the fluid material to flow out of the container and into the drain tube (Fig. 1).