Abstract: A dustproof mask that can be used semi-permanently, allows easy respiration and conversation, improves wear comfort and dust preventing effect, and filters harmful air. A mask main body and wearing band, wherein the mask main body includes an adhering piece formed at an inside edge of main body. A fixed frame forms an exhaust space at an inner center. Multiple exhaust holes are formed on both ends of exhaust space. The exhaust panel is inserted in and fixed with fixed frame, having multiple discharge holes. Multiple shield films are formed on the front side of discharge holes and opened at exhalation. A filter cover is formed on both sides of mask main body as a single body. A removable and replaceable filter case is combined with the filter cover. A dustproof nonwoven fabric, carbon filter, antibiotic nano-silver filter, dustproof nonwoven fabric are included in the filter case.

Abstract: A bandana for holding a particulate breathing filter over the mouth and nose of a wearer which includes a fabric panel with an outer surface, an inner surface, an upper edge, and at least first and second sides depending downwardly from the upper edge. The upper edge includes an upper elastic strap with first and second ends extending beyond the panel material sufficiently to tie or fasten the bandana around the head of a wearer. Attachment apparatus is disposed on the inner surface of the fabric panel so that a particulate air filter pouch having complementary attachment apparatus can be attached to the bandana.

Abstract: A respiratory mask assembly includes a frame and a forehead support secured to the frame. The forehead support includes a joining member secured to an upper portion of the frame and a cushion frame movably mounted to the joining member. One of the joining member and cushion frame includes a pair of shafts and the other of the joining member and cushion frame includes a pair of openings. The pair of shafts are respectively received in the pair of openings to couple the cushion frame to the joining member and enable the cushion frame to move relative to the joining member. Each of the shafts has a non-circular cross section defining a major longitudinal axis that is angled forwardly of a vertical axis of one of the joining member and cushion frame so as to angle toward a front portion of one the joining member and cushion frame.

Abstract: This water respirator filter will allow the individual who is working in dangerous environments to be able to filter air through a water and solid filtering media. The first stage allows the air to pass through the liquid filtering media, such as water, and then pass through a solid filtering media, such as cotton or cellulose.

Abstract: A respirator system has a vapor filter which includes a body for holding a vapor filter media, a first integral male connector for attachment to a particle filter, and a second integral female connector on an opposing side for connecting to a respirator mask. The particle filter has a complementary female connector and the mask has a complementary male connector for attachment to the vapor filter body. Alternately, a circumferential lip of the vapor filter and a sealing surface or a retainer sealingly attach a particle filter pad to the vapor filter. A method of assembly includes providing a vapor filter with an integral connector for attaching to a particle filter, providing a complementary connector and connecting the vapor filter to the particle filter.

Abstract: A respirator adapted to facilitate ease of donning and comfort during use comprising one or more of an adjustable or elastic strap that facilitates ease of donning and comfort during wear; and/or exhalation vents that direct exhaled air, at least in part, away from a users eye's; and/or fasteners that are easy to use and that facilitate ease of donning and comfort during wear; and/or respirator shapes that facilitate the wearing of eyeglasses with said respirator; and/or bellows-type, pneumatic, or other such components, associated with said respirator, that are adapted to promote adjustability of the fit of the respirator.

Abstract: An air filtering soft face mask has a soft body formed of multiple layers of material, including at least one layer of air filtering material capable of filtering selected contaminants from air. The body has an arcuate or peaked nose engaging edge adapted to engage a nose of a wearer and terminating in remote ends that extend downwardly. The body has a chin underlying edge adapted to underlie a chin of a wearer and terminating in remote ends that extend upwardly. The remote ends of the chin underlying edge being secured to the remote ends of the nose engaging edge to form side edges. Jaw movement tensions the body, forcing the nose engaging edge into firmer engagement with the nose of the wearer, forcing the chin underlying edge into firmer engagement with the chin of the wearer and tensioning the side edges into firmer engagement with the cheeks of the wearer.

Abstract: A mask for use by a person working with one or more colleagues who rely upon lip-reading for oral communication. The mask includes a body, including a see-through portion formed of a substantially transparent material, and a retaining member adapted to secure the body to a wearer, wherein with the mask secured to the wearer, the see-through portion of the body is positioned over the lips of the wearer.

Abstract: A medical face mask comprising a central transparent portion, an outer filter portion and, optionally, one or more antimicrobial agents is described.

Abstract: A particulate respirator facepiece has photocatalyst in the airflow path and a light source that illuminates the photocatalyst. Photocatalyst may include titanium oxide, tin oxide and other semiconductor photocatalysts. Strong oxidizers generated by the illuminated photocatalyst kill infectious agents and decompose toxic organic compounds. The particulate respirator facepiece can be used outdoors, illuminated by natural sunlight; indoors, illuminated by ambient lighting, and; in the dark, with the built-in light source. Light emitting diodes (LEDs) or another source of light built in to the particulate respirator facepiece illuminates the photocatalyst. Light conductors may be incorporated to distribute light from the built-in light source over the photocatalyst.

Abstract: The facemask tape-adjuster is an adjusting device for the tapes of facemasks comprising of a upper piece and a lower piece respectively made joint at one edge, in which the inner face of upper piece is made to have pressing region complementary to that which is made on the inner face of bottom piece, which are further mounted between by a two-stage buckling structure, wherein opposing two of four tapes are held between the complementary inner faces reverse-overlapped through opposing ends of the adjuster, which upon first clipping stage there is space given between the two piece allowing the two tapes limited mobility for adjustment, which further upon second clipping stage the space is minimized to such that the two tapes become held fixed.

Abstract: A respirator that has a mask body and a nose foam, the mask body being adapted to fit over the nose and mouth of a person and having an interior surface that curves concave downward in the nose region of the mask body. The nose foam has first and second opposing major surfaces and a thickness T that extends from the first major surface to the second major surface. The first major surface of the nose foam is secured to the interior surface of the mask body in the nose region, and the opposing second major surface of the nose foam is available for making substantial contact with a person's nose when the mask body is placed on a person's face. At least the first major surface of the nose foam has a predefined downward concave curvature. A nose foam that is pre-shaped in this manner has less opportunity to become pinched or unnecessarily deformed before being placed on a wearer's face.

Abstract: A method of making a filtering face mask, which method includes the steps of: (a) providing (i) a valve seat that comprises an orifice and a seal surface, wherein the orifice allows air to pass therethrough and is surrounded by the seal surface, and (ii) a single flexible flap; (b) supporting the single flexible flap non-centrally and operatively relative to the orifice of the valve seat to form an exhalation valve, the single flexible flap being supported such that there is an imposed curved profile that extends from a first point where a stationary portion of the flap is supported on the valve seat to a second point where a free portion of the flap contacts a seal surface; and (c) attaching the exhalation valve to a mask body that is adapted to fit over the nose and mouth of a person.

Abstract: Nose Air-Filter consists of a clip for the interior of the nose and two filters connected thereto. The clip is simply attached to a user's septum and the two circular filters are situated just inside a user's nostrils. The user can then breathe normally through the filters without fear of inhaling harmful germs, bacteria, second hand smoke or other deleterious particles.

Abstract: A face mask is provided that is configured to reduce or eliminate fogging that may occur on eye wear or an eyeshield worn by a user of the face mask. The face mask includes a body portion that has a layer with an inner surface configured for facing the face of the user. The layer has at least one fold that extends in a horizontal direction across at least a portion of the layer. The fold has a fold forming portion located between and attached to two primary portions of the layer. The inner surface of the fold forming portion is in facing relationship with the inner surface of the vertically disposed lower primary portion.

Abstract: The present invention relates to an anion emission and anti-dust nose mask capable of enhancing a compatibility so that it is well adapted to various sizes and types of nose based on its flexibility, and it is possible to wear without any string based on a pressure adjusting function, and the mask is not slid along a nose using a magnet, and nano filter, anion emission material receptacle, and anion emission material of the settling unit is added to a nose mask, thus achieving an anti-bacteria, deodorizing effect, and anion generation effect by the added material.

Abstract: According to one embodiment, a method of forming a custom fitted mask configured for coupling to an external gas supply system includes applying a first sheet of deformable material against a contact portion of a user's face surrounding the user's nostrils while the first sheet is in a deformable state. The first sheet is deformed against the contact portion of the user's face to cause the first sheet to conform substantially optimally to the user's unique facial features. A second sheet of deformable material is configured around a contact portion of a fitting adapted for coupling to the external gas supply system. The second sheet is applied against a contact portion of the first sheet while the second sheet is in a deformable state such that the fitting is positioned between the first and second sheets.

Abstract: A respirator containing filter cases uses cellular elements or positioning boards provided in filter cases to consistently secure a plurality of particle-shape refillable filter materials in place, to prevent air breathing in through the respirator from forming channels between the particle-shape refillable filter materials in the filter cases, so that the particle-shape refillable filter materials in the filter cases can properly filter the incoming air, and the service life of the respirator can be extended; and, using a recessed space formed inside the respirator body, where an appropriate space can be reserved between the casing and the user's nose and mouth to enlarge the breathing area of filtered air passing through the filter cases, reduce pressure drop, and enable less breathing effort to the user even after extended period of time in wearing the present invention of respirator containing filter cases.

Abstract: A forehead support (10) is disclosed that is adapted to be secured to a respiratory mask (16). The forehead support (10) including a joining member (14) for securing to the mask (16) and a cushion frame (12) pivotally mounted to the joining member (14). The cushion frame (12) is adapted to locate one or more forehead cushions (25). The cushion frame (12) is also adapted to pivot relative to the joining member (14). The cushion frame (12) is also selectively lockable at two or more predetermined angular positions relative to the joining member (14). A respiratory mask assembly comprising a respiratory mask (16) and a forehead support (10) adapted to be secured to the mask (16) is also disclosed.

Abstract: A filter canister assembly for a gas mask comprising a primary canister with a first filter medium adapted to remove aerosols, particulate materials and droplets from air and a second filter medium comprising an adsorbent filter medium adapted to remove toxic gases and arranged in serial communication with the first filter medium in the first canister. A supplementary filter canister has a third filter media adapted to intercept toxic industrial materials and is removably mounted to a first end of the first housing to supplement the ability of the primary filter canister to filter toxic industrial gases.

Abstract: A face mask structure has an upper mask portion, a middle mask portion, and a lower mask portion, which are formed integrally. The upper mask portion has an upper metal stripe disposed at a proper position thereof. The lower mask portion has a lower metal stripe disposed at a proper position thereof. The upper and lower mask portions are folded in opposite directions. When in use, the upper and lower mask portions are spread out to support the middle mask portion. In this way, the face mask structure becomes fitting in with the shapes of human faces. Furthermore, the middle mask portion has multiple folding portions. When in use, the folding portions are stretched out to increase filtering area. Thereby, the inner space of the face mask structure is increased, the air-invasion rate is reduced, and the filtering efficiency is thus improved.

Abstract: A mask (10) for use with a system for supplying breathable gas pressurised above atmospheric pressure to a human or animal's airways. The mask (10) includes a mask shell (12) which is, in use, in fluid communication with a gas supply conduit (30), and a gas washout vent assembly (20). At least the region of the mask shell (12) or conduit (30) surrounding or adjacent the vent assembly is formed from a relatively flexible elastomeric material.

Abstract: An inhalation opening 6 and an exhalation-opening 4 are formed in the facepiece 2 of a breathing apparatus 1 and the openings can be closed with an inhalation valve 8 and exhalation valve 7, respectively. If a person wearing the breathing apparatus 1 inhales, the inhalation valve 8 is open and the exhalation valve 7 is closed. A photointerrupter 11 senses the closing operation of the exhalation valve 7 and supplies electric power to a motor 9 to drive a blower 16.

Abstract: A disposable mask for dust protection is provided for maintaining contact with the wearer's face even when moving one's mouth, in which the strap is fixed to maintain tension, and to enable easy adjustment of the length of the strap. The disposable dust protective mask includes a filter body having a front filter, upper and lower sealing wings coupled to the front filter such that they can fold which closely contact the ridge of the nose and the jaw of the wearer, first spread-guiding lines, formed at respective sides corresponding to the front filter, for guiding the upper and lower sealing wings to be spread, second spread-guiding lines for guiding the upper and lower sealing wings to be spread, strap adjusting devices coupled to both sides of the filter body, and a strap connected to the strap adjusting devices and hung on the wearer. The upper and lower sealing wings spread apart along the first and second spread-guiding lines depending on movement of the wearer's mouth and jaw.

Abstract: A nostril filtering system is described for providing clean, filtered air for breathing in through the nose. The filtering system includes a soft, pliable filter material held in a flexible frame that can be inserted into each nostril of a user. In the case of foul odors or noxious fumes, for example, the filter can include an activated charcoal filter portion. The device can be offered in several sizes to accommodate adults and children.

Abstract: A face mask for filtering contaminants from the air. The face mask includes a harness for securing the mask over the nose and mouth of the wearer and a nonwoven fibrous layer attached to the harness. The nonwoven fibrous layer contains at least 40 weight percent thermally bonding fibers, where at least 10 weight percent of the fibers in the nonwoven fibrous layer are bicomponent fibers. The nonwoven fibrous layer is molded in a cup-shaped configuration and has a surface fuzz value of not less than 7.5 after being subjected to a surface fuzz abrasion test.

Abstract: The invention relates to biological defense masks, and more particularly, biological defense masks designed for use by populations at risk of widespread biological attack via biological weapons of mass destruction. The present invention is also related to methods for using such biological defense masks wherein meteorological data is used to issue advisories with regard to the use of such biological defense masks to a population at risk of biological weapons of mass destruction.

Abstract: A gas delivery, evacuation and respiratory monitoring system comprises a face mask having an inflow flapper valve and a fresh-gas inflow tube and an exhaust-gas outflow tube and a gas sampling tube, a fresh gas source and an exhaust-gas scavenging system, a fresh gas supply tube operative coupling the fresh gas source and the face mask, an exhaust-gas hose operatively coupling the scavenging system and exhaust-gas outflow tube, a carbon-dioxide monitoring device, also known as a capnograph and a carbon-dioxide sampling tube operative coupling the capnograph and the mask.

Abstract: The invention relates to an equine inhalation mask, comprising at least one valveless combined inhalation and exhalation conduit, into which inhalant sources comprising respiration control elements and an energy supply that does not require supply lines are interchangeably integrated. A filter system is mounted on the outer end of the inhalation and exhalation conduit facing away from the head of the horse. Said system and the fact that the mask is effectively sealed when on the head of the horse prevent any escape of the aerosol into the environment, thus permitting a reliable inhalation therapy lasting several minutes under normal respiratory conditions.

Abstract: Disclosed is a portable face protector for protecting a human being from poisonous gas and securing visibility, which can be used in an emergency such as a fire, etc. The face protector comprises a visibility securing member having a transparent window, for tightly covering a face around eyes of a user; and a cloth member for tightly covering the face around a mouth and a nose of the user so as to filter poisonous gas in an emergency. Therefore, the face protector can be facilely carried and rapidly used in an emergency such as a fire, etc., so as to protect a human lift from the poisonous gas and safely escape from a critical region.

Abstract: A respiratory filter includes an air-permeable sleeve and at least one filter layer that is arranged in the sleeve and contains activated carbon. The activated carbon contained in the filter layers serves as a gas filter that, by absorption, at least partially removes the noxious gases that are contained in the air inhaled.

Abstract: The invention relates to a breathing mask for feeding a breathing gas to a mask user and a discharging device for discharging breathing gas from an inner mask area defined by a breathing mask. The inventive breathing mask comprises a sealing lip device for sealing a mask bearing area, a mask base body for creating a space within the mask and a connecting device for connecting at least one breathing gas line, the mask base body and/or the connecting device being provided with at least one decoupling structure made of elastomer material. It is possible to obtain in an advantageous manner a relative movement between a peripheral base area on the side of the base body of the mask associated with the sealing lip device and the breathing gas line within a sufficient area of movement.

Abstract: Gel and gel composites health care articles, including masks, pads, blood bags, tubings, male and female tubing connectors, and needle protector sheath.

Abstract: A personal breathing device for filtering, diffusing, and conditioning air inhaled by a person. The device includes an eyewear frame with an attached nose piece and air-permeable membrane which is positioned to surround the nose and permit normally inhaled volumes of air to pass through the membrane as the air is inhaled, and thereby filter and condition the inhaled air. The device can be conveniently placed on and removed from the face, does not obstruct speech, and is suitable for wearing during a variety of normal daily activities to filter and condition inhaled air. The air permeable membrane can be impregnated with various liquids or other agents to enhance filtering and antimicrobial functions, or to provide cooling, moisturizing, or scenting of the inhaled air. The device can be provided with a detachable air permeable membrane which can be easily replaced as needed.

Abstract: A method for preventing a spread of diseases, promoting better breathing, improving comfort and reducing fatigue. The method utilizes a face mask and a noseform of the type disclosed in U.S. Pat. No. 5,976,173, which is incorporated herein by reference, In a first embodiment, the noseform is an integral part of a mask by forming, adhesion or heat bonding. In a second embodiment, the noseform is added to the mask prior to placing the mask in service with a usual method such as adhesion. In the first embodiment, the noseform is initially mounted on a person's nose by adhesively attaching the noseform to a lower portion of the nose, sliding the noseform upwardly toward the person's forehead and glabella and attaching an upper portion of the noseform to a fixed portion of the nose just below the glabella. The effect of this procedure is to shorten the person's airway and dilate the person's nasal passages.

Abstract: A personal respiratory protection device that comprises a mask body and an exhalation valve that is secured to the mask body. The mask body includes (i) a flat central panel; (ii) a flat first panel joined to the central panel through a fold-line, seam weld, or bond, the fold-line, seam, weld or bond of the first panel being substantially coextensive with an edge of the central panel; (iii) a flat second panel joined to the central panel through a fold-line, seam, weld or bond, the fold-line, seam, weld or bond of the second panel being substantially coextensive with an edge of the central panel. At least one of the center, first and second panels includes filter media. The device is capable of being folded for storage with the first and second panels in at least partial face-to-face contact with a common surface of the central panel and, during use, is capable of forming, over the nose and mouth of the wearer, a cup-shaped air chamber having a face-contacting periphery.

Abstract: The invention refers to a filtering system composed by a face mask and a filter against biological agents, joined together by a new connector. The connector joins the filter to the mask in an easy, fast and affective way. The filtering system provides a very high barrier against biological agents, a high seal and is very easy to use.

Abstract: Anti-snoring devices, more specifically to externally worn anti-snoring devices covering essentially a wearer's mouth and being adhesively attached to a wearers skin in the peri-oral area are described. The articles utilise an improved adhesive so as to facilitate easy application and removal of the article from the wearer, whilst ensuring maintenance of the article in the desired position. In particular the adhesives provide attachment on greasy and oily skin.

Abstract: A device for providing purified atmospheric air to a user. Air passes passively through a filter and partitions into a mouse-nose compartment and a face compartment. The air from the face compartment flushes a visor and subsequently passes into the mouse-nose compartment. A hood compartment sealed at the neck region and also around the face compartment. Unidirectional valves maintain the directional flow of air, and seal elements provide partitioning into compartments.

Abstract: A protective, multipurpose mask covers the oral and nasal areas. The mask has an opening about or around the mouth area of the wearer which allows different devices to be inserted and withdrawn from the wearer's mouth while the mask is in place on the wearer.

Abstract: The invention provides a filter mask for filtering air inhaled and exhaled from the mouth and nostrils while providing a positive facial lock at all edges of the mask. The filter mask has upper and lower edges which are provided with malleable stiffeners for conforming to the shape of the wearer's nose and cheek area and the lower jaw and chin area, respectively. The material of the filter mask is folded to have an omega pleat for forming a breathing chamber and a secondary pleat for assisting in securing the mask to the lower jaw and chin area. A pair of headbands are used to hold the mask on the head. The peripheral edges of the mask are bound. The mask provides excellent filtration since the positive facial lock around all edges of the mask substantially prevents air from leaking between the mask and the face.

Abstract: A respirator (1) comprises an inner, oronasal, mask (2) enclosed within an outer, face sealing, mask (3) so as to define a cavity (4) therewith, a screw-threaded air inlet (5) for conducting inhaling air to the interior of the inner mask (2), a filter canister (7) for filtering the inhaling air, and an air outlet (8) for conducting exhaled air from the interior (6) of the inner mask (2). In normal operation, air is inhaled and exhaled solely through the inner mask (2) and so substantially no air pressure differential exists between the ambient atmosphere (9) and the cavity (4) which will allow ambient air to enter the cavity.

Abstract: Nasal dilators and strips, methods of their manufacture, and methods for improving the breathing of individuals are provided. The strips and dilators include an elongated substrate, with or without a dilating component or portion, having top and bottom surfaces and a pressure-sensitive adhesive disposed on the bottom surface. The dilator is designed to provide a gentle expanding force to the nasal wall tissue when the dilator is adhesively attached to the nose. This invention further includes a cosmetic fragrance, an aromatic medication and/or transdermal medication disposed on the strips or dilators. In order to improve the shelf-life and in-use olfactory effectiveness of such products, fragrance delivery mechanisms are used. Separation of volatile oils and adhesives are also provided to minimize adhesive residue.

Abstract: A neck seal for use in an emergency breathing apparatus has an interior and an exterior and is formed of an annular sheet of elastomeric material having a substantially central aperture for donning over a person's head. The substantially central aperture is sized appropriately for snug fitting around the person's neck so as to be sufficiently tight to prevent passage between the person's neck and the neck seal of fluid materials without choking the person. The neck seal is coated at least in part with parylene, to thereby prevent passage through the elastomeric material of NBC/CBR materials.

Abstract: Disclosed is a novel light weight inexpensive full face mask in which the air filtration function is carried out by an air filtration shell which has at least a portion of its surface made of a porous filtration material. The air filtration shell also acts as a breathing chamber. Also disclosed is a lower cost yet an effective method for providing a cooler breathing chamber and minimizing the volume of re-inhaled exhaled-air in any full face mask.

Abstract: A cover, for a flexible patient breathing mask, which is made predominantly of a soft material and has an open bottom and an internal shape corresponding to the external shape of a patient mask. The cover has a socket piece opening opposite the open bottom. The socket piece opening corresponds to the socket piece on a patient mask. Openings are formed in the side faces of the cover, which allow visual access to the patient mask. The chin and cheek sections of the cover are deformable so that the mask is capable of distorting the cheek and chin sections of the breathing mask so that the mask is tightly fitted against the anatomy of the face of the patient to alter the shape of the cover through the application of force. The side edges of the cover may include at least one fastening device for straps for holding the cover and the mask tight against a patient's face, where the fastening device(s) may be hook-shaped.

Abstract: A face mask is disclosed. The face mask includes an inside surface, an outside surface having at least one edge, and at least one loop having a first end and a second end attached to the outside surface, where the loop is less than about 80 millimeters in length.

Abstract: A face mask is provided. The face mask includes a body portion that is configured to be placed over a mouth and at least part of a nose of a user. A first extension portion is present and is attached to the body potion. The first extension portion is configured to at least partially extend around at least a portion of a head of the user. A second extension portion is attached to the body portion. Also, a hook and loop type fastener is present and has a hook section and a loop section. One of the hook and loop sections is attached to the first extension portion, and the other of the hook and loop sections is attached to the second extension portion. Engagement of the hook section and the loop section causes the body portion, the first extension portion, and the second extension portion to be retained on the user. Disengagement of the hook section and the loop section causes the body portion, the first extension portion, and the second extension portion to be released from the user.

Abstract: A breathing mask is joined with a head fastening device that has at least one headstrap and at least one neckstrap. The headstrap and the neckstrap are connected with each other in the area of their extensions away from the breathing mask. The headstrap is fastened to the breathing mask at the top, and the neckstrap is fastened to the breathing mask at the sides in the orientation of the breathing mask when it is being worn. Regions of the neckstrap that are located next to the breathing mask are connected with one another by a chinstrap. The chinstrap extends essentially in the longitudinal direction of the neckstrap. End segments of the neckstrap, which are arranged between the breathing mask and the places at which the neckstrap is connected with the chinstrap, run towards the breathing mask at an angle of inclination relative to the chinstrap, so that they move farther and farther away from the chinstrap as they approach the breathing mask.

Abstract: A respirator (10) that includes a face piece (14) and a cartridge receiving structure (22) located on the face piece (14). The face piece (14) is sized to fit snugly over the nose and mouth of a person, and the filter cartridge (12) is capable of being manually snapped into engagement with the cartridge receiving structure (22). The snap-fit can be instantaneously obtained without rotational movement of the filter cartridge (12), simply by pressing the filter cartridge (12) against the receiving structure (22).