Underwater breathing apparatus

Details Underwater breathing apparatus Underwater breathing apparatus

1988-07-12

1991-01-22

Pieprz, William

Surgery

Respiratory method or device

Including body or head supported means covering user's scalp

12820128, 12820418, 441136, A62B 702

Patent

active

049862677

ABSTRACT:
An improved underwater breathing apparatus includes a net bag suspended from an interior portion of a donut-shaped float with a compressed air diving tank being supported within the bag. One or more breathing hoses may be attached to the tank, and each hose may be of a fifty foot length or more. Conventional second stage regulators are attached to the free ends of the hoses so that divers may perform shallow water dives without the necessity of carrying compressed air cylinders on their backs.

REFERENCES:
patent: 183521 (1876-10-01), Weck
patent: 813431 (1906-02-01), Iwanami et al.
patent: 2241314 (1941-05-01), Mohler
patent: 3064646 (1962-11-01), Miller
patent: 3370586 (1968-02-01), Aragona et al.
patent: 3467091 (1969-09-01), Aragona
patent: 4362154 (1982-12-01), Le Masson
patent: 4521200 (1985-06-01), Fatello
patent: 4674493 (1987-06-01), Mitchell

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