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Self-Closing Valves And Venting Or Aerating Valves
(AREA)
Abstract
An improved valve for breathing tube, characterized by being constituted by a circular membrane, cancho, applied on one side to a circular element of equal diameter, composed of two or more concentric rings, and linked by its central point, to a stem or rod that rises axially as an axis of the hoops, ending at a low height, in a spongy rubber prismatic stop, which remains in contact with the base of the cover of a cap. This valve is placed under pressure, in the terminal area of the breathing tube, in which there are, distributed in circumference, several circular holes, remaining at the same height and around the axial rod. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of thermostatic valves applicable to gaseous combustibles (Machine-translation by Google Translate, not legally binding)