Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0245465ApriorityCriticalpatent/ES245465A3/en
Publication of ES245465A3publicationCriticalpatent/ES245465A3/en
Respiratory Apparatuses And Protective Means
(AREA)
Abstract
Apparatus for dives, provided with regulating elements, constituted by a cone of rubber or the like, with a wide base covering the entire face of the user and with a glass front, characterized by comprising on its body: a) a valve of air intake equipped with a device for expelling water from the mask and a device for breathing air from the surface; b) another breathed air evacuation valve and, c) of equilibrium device or compensation of gauge pressures to establish the identity of the same in the chambers of both intake and exhaust valves. (Machine-translation by Google Translate, not legally binding)
ES0245465A1958-11-201958-11-20An intersection system, provided with regulating elements (Machine-translation by Google Translate, not legally binding)
ExpiredES245465A3
(en)
Improvements in automatic regulator systems pneumatic balancers of pressures in hollow bodies exposed to overpressions or external depressions (Machine-translation by Google Translate, not legally binding)
Respiratory protection character with antecamara to the breathing valve and acoustic membrane. (Machine-translation by Google Translate, not legally binding)