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US 11,052,269 B1Granted
Protective face masks
OwnerMichael D. Greenway, II, Brian J. Fortier +2inventors
InventorsMichael D. Greenway, II, Brian J. Fortier, David Thornhill, William T. Bailey
Life of this patent
Estimating the term…
Abstract
An improved protective face mask used to filter out hazardous pollution and airborne germs and viruses. Embodiments include a three layer version including a first spunbond TETHYS SHIELD treated layer, a meltblown filtration layer, and a second spunbond layer; a four layer version further including a gasket layer formed of a felt material; and a five layer version further including an activated carbon layer in between the spunbond TETHYS SHIELD treated layer and the meltblown filtration layer.
Claims24
A respiratory face mask comprising:
- a harness comprising:
- at least one elongated strap;
- and
- a mask body comprising:
- a first layer formed from a spunbond material;
- a second layer formed from a melt blown material;
- a third layer formed from a spunbond material;
- and
- a fourth layer formed from a compressible non-woven material,
- wherein said fourth layer includes an aperture therethrough formed having a shape adapted to allow a user's nose and mouth to be placed therethrough;
- wherein said shape of said aperture of said fourth layer includes:
- a first curved portion:
- wherein said first curved portion is adapted to conform along the contour of the bridge of said user's nose;
- a second curved portion;
- wherein said second curved portion is adapted to conform along the contour of a first side of the mouth of said user;
- a third curved portion;
- wherein said third curved portion is adapted to conform along the contour of a second side of the mouth of said user spaced and opposite from said first side of the mouth of said user;
- and
- a fourth curved portion;
- wherein said fourth curved portion is adapted to conform along the contour of said user's chin;
- wherein said fourth layer forms a seal around said user's nose and mouth and between the face of said user and said mask body, and is adapted to filter air therethrough;
- wherein said first layer is placed adjacent to said second layer;
- said second layer is placed adjacent to said third layer;
- and said third layer is placed adjacent to said fourth layer;
- and
- wherein said first, said second, said third, and said fourth layers are interconnected to one another along outer edge portions thereof;
- wherein opposite end portions of said at least one elongated strap are attached to spaced outer edge portions of said mask body, such that said mask body can be releasably held against said user's face surrounding their nose and mouth and providing filtration of air passing into and out of said user's nose and mouth.
24 more elements
A respiratory face mask comprising:
- a harness comprising:
- at least one elongated strap;
- and
- a mask body comprising:
- a first layer formed from a spunbond material;
- a second layer formed from a melt blown material;
- a third layer formed from a spunbond material;
- and
- a fourth layer formed from a compressible non-woven material,
- wherein said fourth layer includes an aperture therethrough formed having a shape adapted to allow a user's nose and mouth to be placed therethrough;
- wherein said first layer is placed adjacent to said second layer;
- and
- wherein said second layer is placed adjacent to said third layer;
- and
- wherein said first, said second, and said third layers are interconnected to one another along outer edge portions thereof;
- and
- an elongated nose piece comprising:
- at least one elongated bendable wire;
- and
- an elongated cover;
- wherein said elongated cover encases said at least one elongated bendable wire;
- wherein said elongated nose piece is connected to adjacent top edge portions of said first, second, and third layers, and is spaced from a top edge portion of said fourth layer, to thereby allow said top edge portion of said fourth layer to move with respect to said nose piece and thereby adapting said respiratory face mask to be more comfortable for said user to wear;
- and
- wherein said nose piece is adapted to bend to the contour of said user's nose to thereby press said mask body against the face of said use;
- wherein opposite end portions of said at least one elongated strap are attached to spaced outer edge portions of said mask body, such that said mask body can be releasably held against said user's face surrounding their nose and mouth and providing filtration of air passing into and out of said user's nose and mouth.
22 more elements
A respiratory face mask comprising:
- a harness comprising:
- at least one elongated strap;
- and
- a mask body comprising:
- a first layer formed from a spunbond material;
- a second layer formed from a melt blown material;
- a third layer formed from a spunbond material;
- and
- a fourth layer formed from a compressible non-woven material,
- wherein said fourth layer includes an aperture therethrough formed having a shape adapted to allow a user's nose and mouth to be placed therethrough;
- wherein said first layer is placed adjacent to said second layer;
- and
- wherein said second layer is placed adjacent to said third layer;
- and
- wherein said first, said second, and said third layers are interconnected to one another along outer edge portions thereof;
- wherein said compressible non-woven material of said fourth layer is formed from a felt material;
- wherein said third layer is formed from a 0.45-ounce spunbond material;
- and wherein said felt material of said fourth layer includes activated carbon;
- and
- two side panels;
- wherein said two side panels are respectively connected to two opposite side edges of said mask body and to respective said opposite end portions of said at least one elongated strap;
- and
- wherein said two side panels extend outwardly from said two opposite side edges of said mask body and are adapted to cover edge portions of said felt material of said fourth layer that include activated carbon and that do not contact said face of said user;
- wherein opposite end portions of said at least one elongated strap are attached to spaced outer edge portions of said mask body, such that said mask body can be releasably held against said user's face surrounding their nose and mouth and providing filtration of air passing into and out of said user's nose and mouth.
21 more elements
Dependencies are inferred from the claim text.