Ventilating valve for ventilating expandable structure, particularly seat bladder for vehicle seat, has sealing element and ventilation hole, which is closed for adjusting target ventilation rate with throttle element

摘要

The ventilating valve (1) has a sealing element (8) and a ventilation hole (2), which is closed for adjusting the target ventilation rate with a throttle element (15). The throttle element is made of gas-permeable material. The throttle element is made of plastic material. The ventilating valve has a mono-or bi-axially oriented polytetrafluoroethylene-film. An independent claim is also included for a method for manufacturing a ventilating valve.