Diving face mask

Details Diving face mask Diving face mask

1995-09-28

1997-07-01

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

12820029, A61F 902

Patent

active

056425295

ABSTRACT:
A diving face mask comprising a purge valve is mounted in a predetermined region extending along a top and transversely opposite sides of a frame thereof and a tubular water purge channel provided inside said frame, said purge channel having an outlet at its upper end being in fluid-communication with said purge valve and an inlet at its lower end being open into said frame.

REFERENCES:
patent: 3710393 (1973-01-01), Douglas
patent: 4467797 (1984-08-01), Franke
patent: 4856120 (1989-08-01), Hart
patent: 5479917 (1996-01-01), Hsieh

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