Survival support device
    2.
    发明授权

    公开(公告)号:US3762604A

    公开(公告)日:1973-10-02

    申请号:US3762604D

    申请日:1971-05-10

    Applicant: SHONERD D

    Inventor: SHONERD D

    CPC classification number: A62B7/02

    Abstract: Apparatus for providing a breathable gas to an individual in an emergency situation is provided in practice of this invention. The apparatus contains a breathable mixture of gas for a prolonged period and, when actuated, provides about 10 minutes of gas to the user. The gas is contained at high pressure in a lightweight long tube coiled about a combined fill valve, pressure regulator, flow control, pressure gauge, and actuation mechanism. This assembly is in a canister and actuated by perforating a pressure containing diaphragm between the gas storage reservoir and the pressure regulator. The canister is connected to the back of a plastic hood that is fittable over a user''s head so that the canister is arranged during use at the nape of the user''s neck so as not to interfere with any emergency operations and, for example, to permit the user to wear a helmet or the like. Gas from the canister passes into the hood at a substantially constant rate and is vented as required through a check valve. An elastic band around the person''s neck limits leakage.

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