Patent ID: 6109483
Filing Date: 2000-08-29
Classification: B67C

Abstract:
A filling machine assembly (10) for filling a container (12) with a fluid material, said assembly comprising:a support housing (14) having an upper surface (16) and a lower surface (18) for supplying the fluid material to be discharged into the container (12);a valve housing (22) mounted to said lower surface (18) of said support housing (14) for controlling the discharge of the fluid material;a control device (24) mounted to said upper surface (16) of said support housing (14) and having outer walls (26) defining a working chamber (28) having a top and a bottom;a vent tube (30) having a first end disposed within said working chamber (28) of said control device (24) and a second end extending into said valve housing (22); anda piston (38) secured to said vent tube (30) within said working chamber (28) of said control device (24) for moving said vent tube (30) a predetermined stroke between a filling position and a non-use position;said assembly characterized by a first input port (70) disposed above said piston (38) at said top of said working chamber (28) and a second input port (72) disposed below said piston (38) at said bottom of said working chamber (28) whereby a fluid medium may pass through said first (70) and second (72) input ports to move said piston (38) and said vent tube (30) between said filling and non-use positions.