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.)
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Pirelli and C SpA
Original Assignee
Pirelli SpA
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Publication date
Application filed by Pirelli SpAfiledCriticalPirelli SpA
Priority to ES0047751UpriorityCriticalpatent/ES47751U/en
Publication of ES47751UpublicationCriticalpatent/ES47751U/en
Respiratory Apparatuses And Protective Means
(AREA)
Abstract
An underwater mask, of the type with a face of elastic mouldable material, provided with a device for breathing atmospheric air at the water's edge, with a tube inserted in the upper part of the facial and with a diverting duct along the internal wall of the upper half of the facial, characterized by the fact that this diverter duct is delimited by a laminar appendage that extends, towards the inside of the mask, from the inner side of the wall of the upper half of the facial to support by superposition in the glass of the mask, as well as by the wall of said upper half of facial and by the portion of glass that is in the upper part of the support in it of such appendix. (Machine-translation by Google Translate, not legally binding)
ES0047751U1955-04-261955-04-26An underwater mask (Machine-translation by Google Translate, not legally binding)
PendingES47751U
(en)
Procedure in and related to the construction of valvular devices for subacuum dive machines (Machine-translation by Google Translate, not legally binding)