| 摘要 |
An air venting valve and method for removing air from a vulcanizing mold of a vehicle tire by the aid of an air venting valve having a body functioning as an air channel and an inner part movable in a longitudinal direction. The body includes a stem and a valve disc disposed at an inner end of the stem on the side of a mold surface, the diameter of the valve disc is larger than the inner diameter of the body. A spring member is arranged in the air venting valve for forcing the inner part in a predetermined position for opening the valve when a blank is removed from the vulcanizing mold. The lower part of the inner part of the body includes an outer thread and in the lower part of the body a respective inner thread for screwing the valve stem in the body. |
