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Priority to ES0054334UpriorityCriticalpatent/ES54334Y/en
Publication of ES54334UpublicationCriticalpatent/ES54334U/en
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Publication of ES54334YpublicationCriticalpatent/ES54334Y/en
Self-Closing Valves And Venting Or Aerating Valves
(AREA)
Abstract
Improved sealing valve, particularly for siphon heads, comprising a carrier part of the sealing member provided with a threaded blind axial hole for coupling to the lower end of the stem of the corresponding actuating mechanism, and a cylindrical head provided with a central cavity by the open end of said blind axial hole and forming a concentric widening thereof, characterized in that said head (2) is covered by a sheath (6) as a capsule, of elastic material unassailable by the liquids normally contained in the siphons and high mechanical resistance, which in its center has a tubular portion (8) designed to be adapted to the stem (4) carrying said head (2) and reaching the bottom of the cavity (5) practiced therein, said tubular portion together with the outer wall (9) of said cavity determining an annular air chamber (10) hermetically closed that acts as a pneumatic cushion on the portion of said sheath (6) that is applied against the fixed seat (11) of the valve. (Machine-translation by Google Translate, not legally binding)
ES0054334U1956-05-221956-05-22
Completed shutter valve, particularly for siphon heads
ExpiredES54334Y
(en)