Self-draining snorkel

Details Self-draining snorkel Self-draining snorkel

1985-07-31

1989-05-30

Coven, Edward M.

Surgery

Respiratory method or device

Draw-type snorkel

A62B 700

Patent

active

048340847

ABSTRACT:
A vented diving snorkel from which water is drained as the open upper end of the snorkel tube is raised out of the water includes a combined drain and sump section which is located below the mouthpiece and which is separated from the snorkel tube by a baffle which directs fluid away from the drain section and up the main snorkel tube when the diver exhales abruptly through the mouthpiece. Being located below the mouthpiece, the drain section provides a sump into which the small amount of water not expelled from the snorkel and the water which splashes into the open upper end of the snorkel drains.

REFERENCES:
patent: 2317236 (1943-04-01), Wilen et al.
patent: 3860042 (1975-01-01), Green
patent: 4066077 (1978-01-01), Shamlian
patent: 4071024 (1978-01-01), Blanc
patent: 4278080 (1981-07-01), Schuch
Dacor, "Dacor Self Draining Snorkel", (1 pg). On sale prior to June 1982.
Scuba Pro, "Snorkels, Super Set Snorkel", (1 pg). 1972 Catalog.
Tabata USA Inc, "Color Me Bright", Skin Diver Magazine, May 1984 (1 pg.).
Dacor, "Dacor's Turbo Vent II Silicone Contour Snorkel", Skin Diver Magazine, Jul. 1984 p. 129.

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