Apparel – Guard or protector – For wearer's head
Patent
1998-08-20
1999-04-06
Calvert, John J.
Apparel
Guard or protector
For wearer's head
12820128, 12820712, A61F 902
Patent
active
058902341
ABSTRACT:
A water drain groove in a diver mask, the diver mask involving a mirror-frame shaped face mask, inside the mask is a soft-toned inside flange, at the middle of the lower half of the inside flange is a nose part, at the bottom side of the nose part is a hole, to the hole is joined a water drain unit, characterized in that: the rim of the water drain unit is buried in the hole of the nose part, the water drain unit has a connecting frame part, the connecting frame part protrude outward, at the bottom side of the nose part is the formation of a outward extended ring part which serves to guide the water and prevent water from flowing in, spaced at the middle of a ring-shaped connecting frame part are a number of through holes, so designed that the hole at the bottom side of the soft-toned nose part joins with the connecting frame part as one unit, at the middle of the water drain unit is a fixing hole, the fixing hole is joined by a number of connecting strips to the connecting frame part, into the outside of each connecting strip is pressed a membrane, the center of the membrane is fixed to the fixing hole, so the membrane covers the communicating hole between the ring part of the nose part and the water drain unit.
REFERENCES:
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patent: 4957106 (1990-09-01), Vandeputte
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patent: 5558446 (1996-09-01), Kuo et al.
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patent: 5572989 (1996-11-01), Lutz et al.
patent: 5608920 (1997-03-01), Oliver et al.
patent: 5638552 (1997-06-01), Fujima
patent: 5642529 (1997-07-01), Fujima
Calvert John J.
Patel Tejash D
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