Patent ID: 6871838

Claim:
An injection port valve comprising: a valve housing comprising a first nozzle having an inlet opening, a body section, a skirt section, an interior cavity, and a valve seat located in the interior cavity; a piston positioned within the interior cavity of the valve housing, the piston comprising a body section having an exterior surface, a seal surface, and a piston cavity, wherein the body section comprises a wall layer that emits liquid silicone from within the wall layer to the exterior surface, and wherein the seal surface is abutted against the valve seat of the valve housing; a nut comprising a flow passage in communication with a discharge nozzle comprising a discharge lumen attached to an end of the skirt section of the valve housing; and wherein the inlet opening of the first nozzle is in fluid communication with the discharge lumen of the discharge nozzle when the seal surface is spaced apart from the valve seat.