Patent ID: 8123508

Claim:
A vent valve for use with tire molds, comprising: a valve sleeve having a first portion and a second portion and having an aperture extending there through between a first end and a second end of the valve sleeve, the first portion of the valve sleeve being insertable into a bore of a tire mold and the second portion including one or more openings extending there through with a shaped projection extending into the aperture from each of the openings; a valve insert located within the aperture of the valve sleeve, the valve insert including a valve shank that is at one end equipped with a disk and near the other end with a surface extending at least partially radially outward relative to valve shank; and, a wound spring located within the valve sleeve about the valve insert; wherein, the vent valve further comprises a delimiter for limiting movement of the valve insert relative to the valve sleeve, the delimiter being formed by the surface near the other end of the valve shank and a surface of the shaped projection.