| 摘要 |
An air venting valve for removing air from a vulcanising mould of a vehicle tyre. The air venting valve includes a valve sleeve, an air venting channel arranged inside the valve sleeve, and a movable inner part arranged in the valve sleeve, which includes a stem, the end of which is provided with a valve disc for opening and closing the air venting channel. The valve disc is against a stop surface of the valve sleeve in a closed position of the air venting valve and in an open position at a clearance from the stop surface. Furthermore, the air venting valve includes a spring member for forcing the inner part towards opening position. The front surface of the valve disc comprises a bulge. |
| 主权项 |
1. An air venting valve for removing air from a vulcanising mould of a vehicle tyre, which air venting valve comprises
a valve sleeve, an air venting channel arranged inside the valve sleeve, and a movable inner part arranged in the valve sleeve, which comprises a stem, the end of which is provided with a valve disc for opening and closing the air venting channel, which valve disc is against a stop surface of the valve sleeve in a closed position of the air venting valve and in an open position at a clearance from said stop surface, and a spring member for forcing the inner part towards the open position, wherein the front surface of the valve disc is provided with a bulge. |
