The present invention relates to an air cylinder-mountable portable air supply apparatus having a monitoring function. The present invention comprises: a backpack in which an air cylinder is mounted; a main regulator for primarily decompressing air in the air cylinder; a sub-regulator for secondarily decompressing the decompressed air; a mask for supplying the secondarily decompressed air to a face; a handheld indicator for indicating a remaining amount of the air cylinder on the basis of a sensed value of a pressure sensor for sensing an air pressure of the air cylinder; and a battery for supplying power to the handheld indicator. In the present invention, the handheld indicator converts the sensed value of the pressure sensor into a remaining usage time of the air cylinder, and indicates the remaining usage time together with the remaining amount of the air cylinder so as to enable monitoring.
The present invention relates to an air tank-mounted portable air supply device having a monitoring function. The present invention includes: a backpack to which an air tank is mounted; a main regulator for performing a primary decompression of the air in the air tank; a sub-regulator for performing a secondary decompression of the decompressed air; a mask for supplying the air that has undergone the secondary decompression to the face; a hand-held indicator that indicates the remaining amount of air in the air tank on the basis of a sensing value of a pressure sensor that senses the air pressure of the air tank; and a battery that supplies power to the hand-held indicator. According to the present invention, as the hand-held indicator converts the sensing value of the pressure sensor into the remaining usage time of the air tank and displays the remaining usage time so that the remaining usage time can be monitored together with the remaining amount of air in the air tank.
The present invention relates to a fabric for protecting against a toxic substance. The present invention comprises: a first layer, a second layer, and a third layer, each of which is made of an air-permeable material; and a second sorption layer and an activated carbon bead, each of which includes an activated carbon component and is provided between the first layer, the second layer, and the third layer. The present invention can filter a toxic substance in multiple steps through an activated carbon bead and sorption layers.
D03D 11/02 - Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
D06M 23/08 - Processes in which the treating agent is applied in powder or granular form
D06M 11/74 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphiteTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbidesTreating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with graphitic acids or their salts
A62B 17/00 - Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
The present invention relates to a back pack for back-mounting an air tank, and a back pack for back-mounting an air tank is disclosed, the back pack comprising: a back board having a belt fixing hole through which an air tank fixing belt is taken out such that an air tank can be mounted on the front surface thereof, and having a harness fixing hole formed on the rear surface and through which a harness is taken out such that a wearer can wear the same; and an assembly part having a binding hole to which a fixing protrusion of a lamp module is insertedly fixed according to the formation and cutting of a cutting line on the back board.
The present invention relates to a multifunctional fabric for a special suit. The present invention comprises: a first sheet made of a textile fabric having heat resistance and toughness; a second sheet shielding and protecting a lower surface of the first sheet in a watertight state and having a film; and a third sheet interposed between the first sheet and the second sheet, and made of a material having isotropic elasticity so as to expand and contract between the first sheet and the second sheet through the material properties thereof. The present invention can be used as a firefighting garment or a chemical protection suit because of the materials of the first sheet and the second sheet.
D03D 1/00 - Woven fabrics designed to make specified articles
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 37/15 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
6.
RAW FABRIC FOR SPECIAL CLOTHING OF FIREFIGHTER CLOTHING AND CHEMICAL PROTECTIVE CLOTHING AND SPECIAL CLOTHING MANUFACTURED THEREBY
The present invention relates to a raw fabric for special clothing of firefighter clothing and chemical protective clothing. Disclosed is a raw fabric for special clothing of firefighter clothing and chemical protective clothing, characterized by comprising: a first layer made of a heat-resisting or fire-retardant woven fabric; a second layer made of a thin film, which is provided on one side surface of the first layer and made of a flexible material having rubberlike elasticity such that, while making one side surface of the first layer waterproof, the second layer undergoes an extending/retracting deformation by means of an isotropic elastic force; and a third layer provided on one side surface of the second layer, the third layer forming a single fiber layer by connecting a space, which is formed between two raw fabrics, by a pile yarn having an elastic force.
The present invention relates to a hood-type gas mask comprising: a hood provided with a visor in front thereof; a shield, on the inner lower part of the hood, for isolating the entire head from the outside; a nose mask provided inside the hood to isolate the nose and mouth of a wearer inside the hood; an exhalation valve cover provided on the front surface of the hood corresponding to the mouth of the wearer; an exhalation valve connector unit penetrating the nose mask to be coupled with the the exhalation valve cover; an exhalation valve disposed in between the exhalation valve connector unit and exhalation valve cover; purification cartridges provided on both sides of the front of the hood, with the exhalation valve cover in the center; purification cartridge connector units, each penetrating the nose mask to be attached to the purification cartridge; and webbing, connected to the purification cartridge connector units, for tightening to apply pressure to the hood so as to to closely attach the nose mask to the mouth and nose of the wearer, wherein the exhalation valve connector unit and purification cartridge connector units can be individually separated.
The present invention relates to a hood-type gas mask comprising: a hood provided with a visor in front thereof; a shield, on the inner lower part of the hood, for isolating the entire head from the outside; a nose mask provided inside the hood to isolate the nose and mouth of a wearer inside the hood; an exhalation valve cover provided on the front surface of the hood corresponding to the mouth of the wearer; an exhalation valve connector unit penetrating the nose mask to be coupled with the the exhalation valve cover; an exhalation valve disposed in between the exhalation valve connector unit and exhalation valve cover; purification cartridges provided on both sides of the front of the hood, with the exhalation valve cover in the center; purification cartridge connector units, each penetrating the nose mask to be attached to the purification cartridge; and webbing, connected to the purification cartridge connector units, for tightening to apply pressure to the hood so as to to closely attach the nose mask to the mouth and nose of the wearer, wherein the exhalation valve connector unit and purification cartridge connector units can be individually separated.
The present invention relates to a wrist coupler for chemical protective clothing. Disclosed is a wrist coupler for chemical protective clothing, the wrist coupler comprising: a covering ring coupled to the inside of an opening of a chemical protective clothing sleeve; a fastening band for fastening the outer side of the opening of the chemical protective clothing sleeve so as to fix the opening of the chemical protective clothing sleeve to the covering ring; a coupling ring provided with a glove and detachably coupled to the covering ring while facing the fastening band; and a protection cover for covering the periphery of the fastening band in a state in which one end of the cover is fixed to the covering ring, so as to shield the fastening band such that the fastening band is not exposed to the outside.
A41D 13/00 - Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
A41D 13/002 - Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
The present invention relates to an artificial respirator. The present invention comprises: a housing which is provided with a supply port connected to an oxygen tank and a discharge port which connects to the oral cavity or the nasal cavity of a patient; a depressurizing valve, which is provided inside the housing, for reducing the pressure of oxygen in the oxygen tank that is supplied through the supply port of the housing to supply air; an air supply control valve for providing a passage for the oxygen provided by the depressurizing valve and controlling air supply by opening or closing the passage; a flow control valve for controlling the flow of oxygen provided by opening the air supply control valve; and an air supply flow path for receiving supplied air from the flow control valve and guiding same toward the discharge port of the housing. The present invention enables smooth artificial respiration by guiding oxygen which has been depressurized by the depressurization valve to the air supply flow path.
The present invention relates to an artificial respirator. The present invention comprises: a housing which is provided with a supply port connected to an oxygen tank and a discharge port which connects to the oral cavity or the nasal cavity of a patient; a depressurizing valve, which is provided inside the housing, for reducing the pressure of oxygen in the oxygen tank that is supplied through the supply port of the housing to supply air; an air supply control valve for providing a passage for the oxygen provided by the depressurizing valve and controlling air supply by opening or closing the passage; a flow control valve for controlling the flow of oxygen provided by opening the air supply control valve; and an air supply flow path for receiving supplied air from the flow control valve and guiding same toward the discharge port of the housing. The present invention enables smooth artificial respiration by guiding oxygen which has been depressurized by the depressurization valve to the air supply flow path.
The present invention relates to an artificial respirator. The present invention comprises: a housing which is provided with a supply port connected to an oxygen tank and a discharge port which connects to the oral cavity or the nasal cavity of a patient; a depressurizing valve, which is provided inside the housing, for reducing the pressure of oxygen in the oxygen tank that is supplied through the supply port of the housing to supply air; an air supply control valve for providing a passage for the oxygen provided by the depressurizing valve and controlling air supply by opening or closing the passage; a flow control valve for controlling the flow of oxygen provided by opening the air supply control valve; and an air supply flow path for receiving supplied air from the flow control valve and guiding same toward the discharge port of the housing. The present invention enables smooth artificial respiration by guiding oxygen which has been depressurized by the depressurization valve to the air supply flow path.
The present invention relates to an artificial respirator. The present invention comprises: a housing which is provided with a supply port connected to an oxygen tank and a discharge port which connects to the oral cavity or the nasal cavity of a patient; a depressurizing valve, which is provided inside the housing, for reducing the pressure of oxygen in the oxygen tank that is supplied through the supply port of the housing to supply air; an air supply control valve for providing a passage for the oxygen provided by the depressurizing valve and controlling air supply by opening or closing the passage; a flow control valve for controlling the flow of oxygen provided by opening the air supply control valve; and an air supply flow path for receiving supplied air from the flow control valve and guiding same toward the discharge port of the housing. The present invention enables smooth artificial respiration by guiding oxygen that has been depressurized by the depressurization valve to the air supply flow path.
The present invention relates to an artificial respirator. The present invention comprises: a housing which is provided with a supply port connected to an oxygen tank and a discharge port which connects to the oral cavity or the nasal cavity of a patient; a depressurizing valve, which is provided inside the housing, for reducing the pressure of oxygen in the oxygen tank that is supplied through the supply port of the housing to supply air; an air supply control valve for providing a passage for the oxygen provided by the depressurizing valve and controlling air supply by opening or closing the passage; a flow control valve for controlling the flow of oxygen provided by opening the air supply control valve; and an air supply flow path for receiving supplied air from the flow control valve and guiding same toward the discharge port of the housing. The present invention enables smooth artificial respiration by guiding oxygen which has been depressurized by the depressurization valve to the air supply flow path.
The present invention relates to a hood-type gas mask. The present invention comprises: a hood having a front lens; a shielding layer provided on the hood; a nose mask provided inside the hood; an exhaust valve cover provided on the hood; an exhaust valve connecting hole unit fastened to the exhaust valve cover; an exhaust valve provided between the exhaust valve connecting hole unit and the exhaust valve cover; filter canisters provided on both sides of the hood; filter canister connecting hole units fastened to the filter canisters; and webbing provided on the hood. The present invention has the exhaust valve connecting hole unit and the filter canister connecting hole units separately configured.
The present invention relates to a pressure regulator of an air supply apparatus for respiratory protection that can promptly supply compressed air by rapidly opening a bypass fluid channel even in the case of a breakdown in a pressure reducing valve or a diaphragm. The pressure regulator of an air supply apparatus for respiratory protection comprises: a hollow plug in which a bypass hole is formed in the outer peripheral surface of a connector of a connection conduit, a bypass fluid channel communicating with the bypass hole is formed within a casing, and an air supply assembly is screw-coupled to the connector of the connection conduit to open and close the bypass hole while moving forward and backward in the direction of the axis line; a hollow stem detachably coupled to the hollow plug to bring the hollow plug into screw-rotation; and a sealing ring interposed between the end portion of the hollow plug and the side of a mounting part in the direction of the axis line while being mounted on the outer peripheral surface of the connector.
The present invention relates to a valve assembly comprising: a connecting tube body having formed therein a channel so as to guide the air that is supplied through an air supply tube to an air discharge tube; a decompression valve, provided on the channel formed in the connecting tube body, for regulating the pressure of the air that is supplied through the air supply tube and discharge same through the air discharge tube; a bypass channel which is branched at a channel connecting the air supply tube and the decompression valve, bypasses the decompression valve, and is connected to the air discharge tube; and a plug unit, provided on the channel connecting the air supply tube and the decompression valve, for controlling the opening and closing of the bypass channel on the basis of the advancing and retreating movement. Therefore, during malfunction of the decompression valve, the air supplied through the air supply tube can be quickly bypassed through the bypass channel and supplied to the air discharge tube.
The present invention relates to connecting structures for protective boots for chemical protective clothing, which connect the protective boots integrally to the bottoms of the protective clothing and which comprise: rings, which are fitted on the inner circumferential surfaces of the protective boots, and the longitudinal diameter of which is larger than the transverse diameter thereof; and bands, which are installed in a contracted state on the outside of the bottoms covering the outside of the protective boots and press, by contracting, the outer circumferential surfaces of the rings along the circumferential direction thereof, thereby fixing the protective boots integrally to the bottoms.
A41D 13/05 - Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
The present invention relates to gloves for chemical protective clothing and a production method for same, the gloves comprising: inner gloves (70), which are worn on the hands of a wearer, are made of a thin, chemically resistant film (71a), and protect the hands of the wearer from toxic chemicals; outer gloves (1), inside which the inner gloves (70) are inserted, and which are made of a chemically resistant rubber material; and a fixing means for fixing the inner gloves (70) inside the outer gloves (1) by attaching a part of the inner gloves (70) to the inside of the outer gloves (1), the gloves enabling the inner gloves (70) to be fixed inside the outer gloves (1) by means of the fixing means.
The present invention relates to a raw material for a chemical protection cloth, the raw material comprising: a base layer (110) made of non-woven fabric or fabric; a surface layer (100) which is provided on the outer surface of the base layer (110)to have the thickness of a thin film and provides chemical resistance to the surface of the base layer (110) while constituting the surface of the base layer (110); a stretchable deformation layer (120) which is provided on the inner surface of the base layer (110) or between the surface layer (100) and the base layer (110), is made of a soft material having the rubber-like elasticity to be stretchably deformed due to isotropic resilience while providing chemical resistance, and has the thickness of a thin film; and a thin film layer (130) attached on the stretchable deformation layer (120) to provide chemical resistance, whereby providing an excellent wearing sense by the stretchable deformation layer (120).
A helmet according to the present invention comprises: an outer covering for surrounding a head; a fixing band attached to the inner peripheral surface of the outer covering; and a head band fitted to the head. The band connection structure comprises: a male fastener protruding from one of the fixing band and the head band; and a female fastener formed to penetrate in a position corresponding to the male fastener such that the male fastener is fitted therein. The female fastener comprises: a snap portion for exerting a snap reaction, when the male fastener is fitted, and constraining the male fastener in the radial direction after the same is fitted; and an engaging portion for engaging and fixing the male fastener after the same is fitted. The present invention can improve durability regarding coupling between band-shaped members or assembly property.
The present invention relates to chemical proof clothes comprising: a coating ring coupled to the opening of a sleeve; a coupling ring detachably coupled to the opening side opposite to the sleeve of the coating ring; and a glove ring for fixing a glove to the coupling ring, wherein the coupling ring has a mounting portion for hanging and fixing the glove ring, the mounting portion including a wrist coupler protruding in the radial direction from the opening side opposite to the coating ring. The present invention is capable of preventing the glove from falling out of the wrist coupler since the glove ring is constrained by the mounting portion.
The present invention relates to a coupler for an air respirator. The present invention comprises: a socket body having a through steel ball receiving hole for receiving a master ball and a hollow sleeve installed on the outer peripheral surface thereof; a hollow plug body coupled to the socket body, a discharge tube of an apparatus for supplying fluid being coupled thereto; a stopper for restraining the sleeve to fix the sleeve at a moved location; a locking unit which interlocks with the sleeve moved along the socket body and restrains a part of the master ball at the plug body, thereby locking the plug body coupled to the socket body; and an unlocking unit which interlocks with the sleeve and releases the restraints of the sleeve restrained at the stopper and the master ball restrained at the plug body, thereby unlocking the locked plug body, wherein the unlocking unit includes a first unlocking unit and a second unlocking unit. In the present invention, the unlocking is possible only when the unlocking is conducted in a first step and a second step.
F16L 37/23 - Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers, or helical springs under radial pressure between the parts by means of balls
A pressure adjuster for a respirator according to the present invention comprises: a casing having on one side an air supply inlet through which air is supplied; a pressure-reducing valve for controlling the flow of air supplied into a facepiece through the air supply inlet on the casing; a diaphragm installed inside the casing and moving reciprocally while repeatedly contracting and expanding according to the breathing of a wearer; a drive assembly for opening and closing the pressure-reducing valve by delivering driving force from the reciprocal movement of the diaphragm to the pressure-reducing valve, wherein the drive assembly comprises a driving member, which is hinge-coupled to one side of the reduction valve, for opening and closing the pressure-reducing valve by pressing or releasing the pressure-reducing valve, and a delivery means, which is connected between the diaphragm and the driving member, for delivering the driving force generated by the reciprocal movement of the diaphragm to the driving member.
The present invention comprises: a casing having on one side an air supply inlet through which air is supplied; a pressure-reducing valve for controlling the flow of air supplied into a facepiece through the air supply inlet on the casing; a diaphragm installed inside the casing and moves reciprocally while repeatedly contracting and expanding according to the breathing of a wearer; a drive assembly for opening and closing the pressure-reducing valve by delivering driving force from the reciprocal movement of the diaphragm to the pressure-reducing valve; and a valve housing for supporting the drive assembly which is installed so as to surround the pressure-reducing valve, wherein the valve housing comprises one pair of housing bodies, which are symmetrically divided and coupled so as to surround the pressure-reducing valve, and a locking frame, which is inserted on the outer surface of the one pair of housing bodies surrounding the pressure-reducing valve, for locking the one pair of housing bodies.
The present invention comprises: a casing having on one side an air supply inlet through which air is supplied; a pressure-reducing valve for controlling the flow of air supplied into a facepiece through the air supply inlet on the casing; a diaphragm installed inside the casing and moving reciprocally while repeatedly contracting and expanding according to the breathing of a wearer; and a drive assembly for opening and closing the pressure-reducing valve by delivering driving force from the reciprocal movement of the diaphragm to the pressure-reducing valve, wherein the pressure-reducing valve comprises a valve case forming a flow path connected from the air supply inlet to a ventilation hole, a valve body for opening and closing a valve seat formed on one side on the inner circumferential surface of the valve case, and an elastic body for applying elastic force to the valve body to bring the valve body in contact with the valve seat, wherein an elastic force control knob is installed at the lower end of the valve case so as to allow screw movement, two ends of the elastic body are supported by the valve body and the elastic force control knob, and wherein the elastic force of the elastic body is controlled by the elastic force control knob moving up and down along the valve case by means of screw movement at the lower end of the valve case.
The present invention relates to an air supply valve for filling chemical protective clothing with air. The present invention comprises: a valve body which includes a first flow path for receiving air of an air tank and a second flow path for receiving air of an air supply unit, has a discharge flow path connected with the first flow path and the second flow path so as to discharge the air of the flow paths, and fills the inside of the chemical protective clothing with the air by supplying, to the inside of the chemical protective clothing, the air discharged from the discharge flow path in the state where the valve body is fixed to the clothing; a socket for supplying the air of the air supply unit to the second flow path of the valve body; and a transfer switch for selectively switching a circulation path of the air by connecting the first flow path or the second flow path of the valve body with the discharging flow path in an alternating state. The present invention can selectively and conveniently switch the circulation path of the air according to the connected location of the air supply member since the first flow path and the second flow path of the valve body are alternately switchd through the transfer switch so as to be connected with the discharge flow path.
The present invention relates to a canister fixing unit for a hood-type gas mask. The present invention comprises: a tubular cylinder exposed from the inside to the outside of a hood provided with a ventilation hole on the front side thereof through the ventilation hole, and having a female screw on the inner circumferential surface of the cylinder so that a protruding portion on a canister having a screw is coupled thereto, and having a stopper protrusion for hooking onto the inner surface of the hood; an external ring positioned on the exterior of the hood for coupling to the cylinder, and provided with a hole through which the cylinder is inserted; a fixing means for fixing a portion of the external ring to the cylinder; and a locker for preventing reverse rotation of the canister coupled to the cylinder to prevent the canister from separating from the cylinder. The canister coupled to the cylinder is fixed by means of assembly through the fixing means.
The present invention relates to a gas mask. The present invention comprises: a rubber material face mask, which is worn on the face for protecting the face against toxic substances, and which includes a purification container connection hole to which a purification container is connected, a lens hole in which a lens is installed, and an exhaust hole in which an exhaust unit for exhausting inside air is installed; a back head cover which is connected to the back side of the face mask for covering the back head of a wearer; a side coupler for connecting the side of the back head cover to the face mask; and an upper coupler for connecting an upper portion of the back head cover to the face mask. In the present invention, the back head cover can be easily connected to the back side of the face mask.
The present invention relates to a gas mask comprising: a rubber material face mask, which is worn on the face for protecting the face against toxic substances, and which includes a purification container connection hole to which a purification container is connected, a lens hole in which a lens is installed, an exhaust hole in which an exhaust unit for exhausting inside air is installed, and a hook which protrudes toward a back direction; a buckle onto one side of which the hook on the face mask is coupled so as to be separable; a back head cover, which comprises a coupling lace which is coupled to the other side of the buckle so as to be separable, for covering the back head of the wearer by connecting to the back side of the face mask by means of the buckle when the coupling lace is coupled to the buckle; a headscarf, which is provided with an exposure hole through which the front surface of the face mask provided with the connection hole, the lens hole, and the exhaust hole, is exposed, wherein the periphery of the exposure hole is connected to the edge of the front surface of the face mask to shield the head portion of the wearer; and a connector for partially connecting the periphery of the exposure hole, which is formed on the headscarf, to the face mask. In the present invention, the periphery of the exposure hole, which is formed on the headscarf, is connected to the face mask by means of the connector so that the headscarf is securely and quickly connected to the face mask, thereby protecting the head of the wearer from toxic substances.
A61B 18/02 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
A62B 23/04 - Filters for breathing-protection purposes for gasproof shelters
The present invention pertains to a regulator for an air tank. The present invention includes: a valve housing having a first valve chamber which is provided therein and introduced with air from an air tank to be filled in a decompressed state; and a discharge path for discharging the air that was filled inside of the first valve chamber; a pressure reducing valve which is incorporated in the first valve chamber of the valve housing and controls the air from the air tank that was introduced to the inside of the first valve chamber according to the pressure of the air that fills the inside of the first valve chamber so as to reduce the pressure of the air; and a refraction means for refracting and providing the air in the air tank to the reducing valve which is incorporated in the first valve chamber. The present invention can supply the air in the air tank by reducing the pressure of the air to have a constant pressure all the time because the air in the air tank is provided in a refracted state by the refraction means, even if the pressure-reduced air is supplied due to a reduction in the amount of the air in the air tank.
The present invention relates to a safety warning system for an air breathing apparatus. The safety warning system for an air breathing apparatus of the present invention includes: a backpack (110) including a warning light (116) that flashes by means of a battery (114) and a power source for the battery (114), an air container (1) fixed to the backpack and having a first tube (2a) and a second tube (2b) connected thereto, and a control board (112b) disposed on the backpack (110) for applying a control signal; a remaining volume gauge (120) which displays the air volume remaining in the air container (1) using the primary air; a mask (130) including an air supply pipe (132) through which the secondary air is supplied, and a positive pressure device (200) which adjusts the secondary air of the air supply pipe (132) to a breathable pressure level, an exhaust opening (300) disposed on the mask (130) to supply the air from the positive pressure device (200) to a wearer or discharge the exhaled air of the wearer; a button switch (160) applying a flashing signal for the warning light (116) to the control board (112b) to make the warning light (116) flash; and a cable (S1) transmitting the flashing signal of the button switch (160) to the control board (112b). According to the safety warning system for an air breathing apparatus of the present invention, the warning light (116) may be operated manually by means of the button switch (160).
The present invention relates to an air-supplying apparatus. The air-supplying apparatus of the present invention comprises: a mask having an electronic device installed on the inner side thereof; an air hose for transferring air; an exhaust hole fixed to the mask for circulating air; a pressure regulator coupled to the exhaust hole for regulating air pressure to allow for breathing; a hollow shaft, one end of which is open and is coupled to the pressure regulator, which has an air circulation hole through which air enters, and the other end of which is sealed; a revolving ring having a communication slot in communication with the air circulation hole of the hollow shaft, having a nipple at one end thereof, and being inserted into the hollow shaft so as to revolve; a fastener for fixing the revolving ring and the hollow shaft to the pressure regulator; an electric wire for supplying power to the electronic device; and an electric wire supplier for sealing the electric wire and supplying the electric wire in a concealed state to the pressure regulator. The air-supplying apparatus of the present invention provides an aesthetically pleasing exterior by concealing the electric wire supplied to the pressure regulator.
The present invention provides a respiratory unit for gas masks and a self- locking/unlocking device for a respirator cartridge mounted to the respiratory unit. The respiratory unit includes a support plate (353), which has airflow holes and is provided in the respiratory unit body, a first sealing member (330), which is provided on the support plate to cover the airflow holes, and a second sealing member (370), which is provided on the support plate around the first sealing member and is elastically supported by an elastic support unit (360). Furthermore, a first coupling part (560) and a second coupling part (580) are respectively provided on corresponding surfaces of one selected from the respiratory unit body and the respirator cartridge and a remaining one thereof, so that the respiratory unit body and the respirator cartridge are coupled to each other using the first and second coupling parts.
patents