An underwater mask includes a frame, a transparent part, a seal part mounted on the frame, and a snorkel. The seal part has a partition wall forming an upper and a lower chamber, the lower chamber receiving nose and mouth of the user. The two chambers communicate through a passage in the partition wall and a one-way valve so that air can pass only from the upper chamber to the lower chamber. The snorkel has first and second channels through which the upper and respectively lower chamber communicate with the outside. A connection end between snorkel and mask is fastened at an opening of the seal part to put the first channel of the snorkel in communication with the upper chamber of the mask, and further has a side inlet for a corresponding exhaust tube that puts the lower chamber in communication with the second channel of the snorkel.


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    Titel :

    Underwater mask with feeding and discharge system for breathing air


    Beteiligte:

    Erscheinungsdatum :

    2021-08-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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