A helium-oxygen diving helmet manufactured by the Yokohama Diving Apparatus Company, Ltd. of Yokohama, Japan and distributed in the U.S. by J and J Marine Diving Co., was subjected to sound level testing on a specially built acoustical manikin at the U.S. Navy Experimental Diving Unit. Ten manned test dives were also conducted. The sound levels existing in the helmet were found to be into the hearing damage risk levels, but not so far as to preclude normal helium-oxygen diving operations with the helmet. Subject to certain restrictions the sound levels existing in the helmet were judged to be safe for exposures of up to 4 1/2 hours per 24-hour period. (Author)


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen


    Exportieren, teilen und zitieren



    Titel :

    Sound Level Testing of the Yokohama Helium-Oxygen Diving Helmet


    Beteiligte:
    S. D. Reimers (Autor:in)

    Erscheinungsdatum :

    1973


    Format / Umfang :

    25 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





    Diving helmet

    ZHENG CHENGTU / WANG ZHE | Europäisches Patentamt | 2023

    Freier Zugriff

    DIVING HELMET

    KOVALEV ALEKSANDR VLADIMIROVICH | Europäisches Patentamt | 2019

    Freier Zugriff

    Diving helmet apparatus

    DOWNS JR EDWARD | Europäisches Patentamt | 2024

    Freier Zugriff

    The diving helmet

    Bevan, J. / South Pacific Underwater Medicine Society | British Library Conference Proceedings | 1999