WO2018217002A1 - Casque équipé d'un appareil respiratoire à air, intégré à une membrane, lavable à contre-courant - Google Patents

Casque équipé d'un appareil respiratoire à air, intégré à une membrane, lavable à contre-courant Download PDF

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Publication number
WO2018217002A1
WO2018217002A1 PCT/KR2018/005828 KR2018005828W WO2018217002A1 WO 2018217002 A1 WO2018217002 A1 WO 2018217002A1 KR 2018005828 W KR2018005828 W KR 2018005828W WO 2018217002 A1 WO2018217002 A1 WO 2018217002A1
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WIPO (PCT)
Prior art keywords
air
filter unit
helmet
membrane
breathing apparatus
Prior art date
Application number
PCT/KR2018/005828
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English (en)
Korean (ko)
Inventor
이종복
Original Assignee
이종복
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Filing date
Publication date
Application filed by 이종복 filed Critical 이종복
Publication of WO2018217002A1 publication Critical patent/WO2018217002A1/fr

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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/28—Ventilating arrangements
    • A42B3/288—Ventilating arrangements with means for attaching respirators or breathing masks
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/04—Couplings; Supporting frames

Definitions

  • the present invention relates to a helmet equipped with an air breathing apparatus, and more specifically to the air breathing apparatus to facilitate the use of the helmet for the user's safety in the industrial field, the air breathing apparatus is integrally formed on the helmet
  • the present invention relates to a helmet equipped with a backwashable membrane-integrated air breathing apparatus, which enables filtering of air during breathing and enables simple washing and use if necessary.
  • 'Patent Document 1' Korean Patent Registration No. 10-0917089
  • such an air breathing apparatus is formed of an inlet opening connected to the supply pipe and the exhaust port is installed so that the first hose is branched and communicates with a mask to be worn on the face, a perforated plate or a mesh net having a breathable supply pipe through the mask
  • a filter unit connected to purify the air, and an air storage chamber to store the air discharged from the mask and back spray the stored discharge air to the filter unit by pressurizing to shake off the accumulated dust on the filter member provided in the filter unit.
  • the filter part is for purifying air containing dust, and is formed of a box-shaped case having an accommodating space therein, a rectangular metal plate inserted into the case, and a filter member attached to one or both sides of the metal plate and communicating with the supply pipe.
  • the air breathing apparatus inserts an air storage chamber in the upper pocket of the worker's garment, preferably in the front pocket of the vest, for workers working at a dusty site such as a coal mine or a construction site,
  • the filter unit is mounted on the rear pocket, so that the worker can breathe smoothly.
  • Patent Document 1 stores the clean air discharged after breathing in the air storage chamber, and as time passes by the adsorption of dust to the filter member provided in the filter unit, the filtration performance is reduced, using the air stored in the air storage chamber Backwash the filter element.
  • Patent Document 1 can reduce the maintenance cost by enabling continuous use of the product by removing the dust on the filter member.
  • the conventional air breathing apparatus as described above is required to wear a vest in order to use the air breathing apparatus, such a vest is a significant in performing the work when worn in the hot weather or hot weather site Discomfort will be accompanied, there was a problem that the work efficiency is significantly reduced accordingly.
  • the filter unit and the air storage chamber is to be provided at the same time, the volume and weight is considerable, the operator was inconvenient to action, in particular to be sure to wear a safety helmet separately from the vest bar equipment worn on the body There was a problem that interfered with the increase of work.
  • Patent Document 2 a helmet equipped with an air breathing apparatus as in the Republic of Korea Patent Registration No. 10-1078333
  • the helmet equipped with the air breathing apparatus, a helmet to be worn on the wearer's head, a mask to be worn on the face of the wearer, the filter unit provided in the helmet to purify the outside air to deliver the purified air to the mask
  • fixing means for fixing the filter part to the helmet wherein the filter part includes a filter member formed by using a membrane for filtering various dusts and foreign substances.
  • the helmet of Patent Document 2 as described above has solved the problem of the user's wearing comfort of the filter member, but the filter member is to be configured to be mounted and used through exposure and a separate coupling means, its use was very inconvenient .
  • the helmet of Patent Document 2 has solved the problem of wearing convenience, but there was a problem that the reuse of the used filter is impossible.
  • the present invention has been made to solve the above problems, by allowing the filter unit of the air filter to form a built-in structure inside the helmet body, it is possible to use a separate filter unit without separate use
  • the present invention provides a helmet equipped with a backwashable membrane-integrated air breathing apparatus for improving the durability of the filter unit, such as being very convenient to use and protecting the filter unit even during an external impact. There is a purpose.
  • Another object of the present invention is to provide a helmet equipped with a membrane integrated air respirator.
  • both sides of the helmet main body is provided with a supply pipe coupling hole connected to the filter unit is worn on the user's head;
  • a mask worn on the user's face a pair of inlets formed on both sides of the mask to allow air to be sucked, an exhaust port formed at the center of the mask to breathe inhaled air and discharged to the outside, and to the user's head Wearable breathing apparatus with a wearing band;
  • It comprises a air supply pipe for connecting the filter unit and the suction inlet on both sides of the breathing apparatus on both sides of the helmet body to deliver the purified air to the inlet,
  • the helmet body The helmet body,
  • the filter unit is built between the inner shell and the outer shell
  • the outer shell is configured to form a plurality of through-holes that enable communication between the filter unit and air,
  • One end of the air supply pipe is configured to be detachably coupled to the supply pipe coupling port so that when the user breathes, the air is introduced through the through-hole and the purified air is introduced through the air supply pipe into the inlet of the breathing apparatus through the air supply pipe.
  • An outer spacer in contact with the outer shell between the inner shell and outer shell of the helmet body and forming an outer air passage outside;
  • a central spacer in contact with the inside of the outer membrane and forming a central air passage
  • It comprises an inner spacer in contact with the inner membrane of the inner membrane and the inner shell of the helmet body, to form an inner air passage on the inner side,
  • Screwed to the helmet body it is configured to penetrate from the outer spacer to the inner spacer of the filter unit,
  • the helmet equipped with the membrane-integrated air breathing apparatus according to the present invention can be easily used without using a separate filter unit, and is very convenient to use. It is possible to obtain an effect of further improving the durability of the filter unit.
  • FIG 1 is an overall view of the helmet equipped with the present invention backwash membrane integrated breathing apparatus.
  • FIG. 2 is a simplified view of the helmet main body of the helmet equipped with the present invention backwash membrane integrated breathing apparatus.
  • Figure 3 is a main portion of the helmet main body of the helmet equipped with the present invention backwash membrane integrated breathing apparatus.
  • Figure 4 is a main portion of the filter unit of the helmet equipped with the present invention backwash membrane integrated breathing apparatus.
  • FIG. 5 is a main portion of the breathing apparatus of the helmet equipped with the present invention backwash membrane integrated breathing apparatus.
  • Figure 6 is a wearing state of the helmet equipped with a membrane-integrated air breathing apparatus of the present invention.
  • Figure 7 is an embodiment of a washing state of the helmet equipped with the present invention backwash membrane integrated breathing apparatus.
  • the present invention has a built-in filter unit 110 capable of purifying the air therein, both sides of the supply pipe coupling holes 120, 120 'is connected to the filter unit 110 is formed on the helmet body worn on the user's head 100;
  • Mask 210 is worn on the user's face, a pair of suction ports 220, 220 'formed on both sides of the mask 210 to allow the suction of air, and formed in the center of the mask 210 and suction
  • a breathing apparatus 200 made of an exhaust port 230 for breathing the discharged air to the outside and a wearing band 240 worn on a user's head;
  • an air supply pipe that connects the filter unit 110 and the both suction ports 220 and 220 'of the respirator 200 to deliver the purified air to the suction ports 220 and 220' at both sides of the helmet main body 100.
  • 300 including 300 ', but including
  • the helmet body 100 is composed of an inner shell 101 and an outer shell 102, and the filter unit 110 is configured to be embedded between the inner shell 101 and the outer shell 102,
  • the outer shell 102 is configured to form a plurality of through-holes (102a, 102a ') to enable communication of the filter unit 110 and air,
  • Air supply pipe (300, 300 ') is configured to be detachably coupled to one end of the supply pipe fittings 120, 120' air through the air inlet (102a, 102a ') when the user breathes and filter unit ( Back-washable membrane integrated air breathing apparatus, characterized in that the air purified through the air supply pipe 300, 300 'through the inlet port 220, 220' of the breathing apparatus 200 is configured to enter To provide a helmet equipped with.
  • FIG. 1 is an overall view of a helmet equipped with a membrane-integrated air breathing apparatus of the present invention.
  • the helmet 1 equipped with the membrane-integrated air breathing apparatus includes a helmet body 100, a breathing apparatus 200, and an air supply pipe 300, 300 ′. do.
  • the helmet body 100 is configured to enable the protection of the head during the operation by the user (worker) wearing on the head with reference to Figures 2 to 3, the aluminum weight is smaller than the metal material to reduce the fatigue of the worker It would be desirable to construct a hard synthetic resin material such as light metal or FRP.
  • the helmet main body 100 has a form in which the filter unit 110 to enable the purification of the air inside the body integrally, the inner shell 101 in contact with the user's head around the filter unit 110 as a center. ) And the outer shell 102 that is exposed to the outside.
  • the filter unit 110 in the interior of the helmet body 100 it is not limited to the conventional insert injection or its inner shell 101 and the outer shell 102 to manufacture and filter unit 110, respectively ) Can be combined with each other in a built-in state.
  • the filter unit 110 embedded between the inner shell 101 and the outer shell 102 of the helmet body 100 is the outer spacer 111 toward the inner shell 101 side from the outer shell 102 as shown in FIG. And an outer membrane 112, a central spacer 113, an inner membrane 114, and an inner spacer 115.
  • the outer spacer 111 is configured to be in contact with the inside of the outer shell 102, the outer air passage between the outer membrane 112 and the outer membrane 112 of the helmet body 100 is configured in the form of a plurality of protrusions 100 To achieve 111a.
  • the outer membrane 112 is configured to be in contact with the inner side of the outer spacer 111.
  • central spacer 113 is configured to be in contact with the inner side of the outer membrane 112 and is formed in a plurality of protrusions to form a central air passage 113a between the outer membrane 112 and the inner membrane 114 described below. To achieve.
  • the inner membrane 114 is configured to be in contact with the inner side of the central spacer 113.
  • the inner spacer 115 is configured to be in contact with the inner membrane 101 of the inner membrane 114 and the inner shell 101 of the helmet body 100, and is formed in a plurality of protrusions of the inner membrane 114 and the helmet body 100
  • the inner air passage 115a is formed between the inner skin 101.
  • the filter unit 110 is spaced apart from the outer shell 102 of the helmet body 100 through the outer air passage 111a of the outer spacer 111 with respect to the inner and outer membranes 114 and 112.
  • the inner and outer membranes 114 and 112 are spaced apart from the central air passage 113a of the central spacer 113, and the inner air passage of the inner spacer 115 is separated from the inner skin 101 of the helmet body 100.
  • Spaced through 115a) is configured to enable the communication of air in the helmet body (100).
  • the filter unit 110 is capable of substantially filtering air through the inner and outer membranes 114 and 112, wherein the inner and outer membranes 114 and 112 are formed of fluorine-based resins that perform surface filtration.
  • PSF polysulfone
  • CA cellulose acetate
  • the PTFE membrane has properties such as almost perfect chemical inertness, heat resistance, non-tackiness, excellent insulation stability and low coefficient of friction.
  • the pore size of the membrane has a size between several tens of ⁇ m to 0.001 ⁇ m depending on the working environment in which the helmet equipped with the air breathing apparatus according to the present invention is used, the thickness of the membrane is about 10 ⁇ m desirable.
  • both sides of the helmet main body 100 is connected to the filter unit 110 embedded therein, the tubular supply pipe coupling port 120, 120 'to enable the communication of air, respectively, the supply pipe coupling port ( 120 and 120 ′ are configured to be screwed to the helmet body 100 to adjust the fastening force, and to penetrate from the outer spacer 111 of the filter unit 110 to the inner spacer 115. Accordingly, the position of the end portion of the inner spacer 115 or the center spacer 113 or the outer spacer 111 is configured to be adjustable by a screw fastening force.
  • the outer shell 102 of the helmet body 100 is configured with a plurality of through holes 102a and 102a 'to allow communication between the filter unit 110 and air, preferably an outer spacer of the filter unit 110. It is comprised so that it may communicate with the external air path 111a of 111. As shown in FIG.
  • both sides of the helmet body 100 is configured to further include a foreign material discharge hole 130 penetrating into each.
  • each foreign material discharge hole 130 is configured to be coupled to any one of the stopper 131 or the foreign material discharge pipe 135, the stopper 131 or the foreign material discharge pipe 135 is screwed to the foreign material discharge hole 130 Can be configured.
  • the stopper 131 coupled to the foreign substance discharge hole 130 is closed to close the foreign substance discharge hole 130 is configured to completely block the communication of the air.
  • the foreign substance discharge pipe 135 is configured to penetrate the inside of the helmet body 100, that is, the filter unit 110, and the induction discharge hole 136 penetrates in the center thereof to allow communication of air.
  • a plurality of air through holes (137, 137 ') is configured to pass through.
  • each of the air through holes 137 and 137 ′ is an outer air passage 111 a of the outer spacer 111, a central air passage 113 a of the central spacer 113, and an inner air cylinder of the inner spacer 115. It is preferable to configure in communication with the furnace (115a).
  • the respirator 200 is worn on the user's face with reference to Figure 5 is configured to enable the protection of the face and the user's breathing.
  • the respirator 200 is first, the mask 210 that can be worn on the user's face is configured, the mask 210 may be composed of a soft rubber or silicone material.
  • both sides of the mask 210 are configured with a pair of both inlets 220 and 220 ′ to allow intake of external air, and the inlets 220 and 220 ′ are conventional diaphragms (not shown in the drawing). ) Structure, the intake of air is possible and the discharge is blocked.
  • an exhaust port 230 may be configured at the center of the mask 210 to allow breathing and discharge of the breathed air by using the air sucked through the suction ports 220 and 220 ′.
  • a normal check valve not shown in the figure
  • it may be desirable to configure the exhaust port 230 is provided with a conventional diaphragm (not shown in the figure) that is open to only one side.
  • the mask 210 is configured with a wearing band 240 for fixing the mask 210 to the user's face, the wearing band 240 will be preferably configured to have elasticity.
  • the lower portion of the mask 210 is configured to further include a chin support portion 250 having an elastic adhesive force to block the gap of the lower face of the user when wearing the mask 210, wherein the chin support portion 250 ) May be composed of a rubber or silicone material having elasticity.
  • the jaw rest 250 is elastically adjustable according to the size of the face of the user by the elasticity is configured to be in close contact with the user's jaw.
  • the air supply pipes 300 and 300 ′ connect the helmet main body 100 and the breathing apparatus 200 to each other, and the filter unit 110 of the helmet main body 100 and the suction ports 220 on both sides of the breathing apparatus 200.
  • 220 ' is connected to the inlet 220 (220') to deliver the purified air through the filter unit 110 when breathing.
  • the air supply pipe (300) (300 ') is configured in the form of a flexible hose that can be freely bent, it is configured to form a pair on both sides, each end of the supply pipe coupling holes 120, 120' of the helmet body 100 Removable configuration), the other end is configured to be detachable to the intake port 220, 220 'of the breathing apparatus 200, the removable configuration of both ends can be implemented through a conventional screw coupling method or fitting method. will be.
  • the air supply pipe 300, 300 ' is the suction power when the user breathes in the state wearing the breathing apparatus 200, the filter through the suction port 220, 220' and the air supply pipe 300 (300 ') It is to act on the unit 110, the air purified by the filter unit 110 is to be delivered to the user through the inlet (220, 220 ').
  • each of the air supply pipe (300, 300 ') is further configured to open and close valves (310, 310') to control the air communication to the air supply pipe (300, 300 ').
  • each of the air supply pipe (300, 300 ') may be configured to further include a washing tube 320, 320' in communication with the inside of the air supply pipe 300, 300 ', washing Tube 320, 320 'is configured to be finished with a separate washing tube stopper 321, it is to be used during the cleaning of the filter unit 110.
  • the helmet (1) equipped with a membrane-integrated air breathing apparatus of the present invention is configured such that dust and the like can be protected by an operator in an industrial field.
  • the foreign substance discharge hole 130 formed in the center of the helmet body 100 is used in a closed state through the stopper 131.
  • the supply pipe coupling holes 120 and 120 ′ of both sides of the helmet main body 100 may be adjusted such that the inner end thereof is positioned in the inner air passage 115a of the inner spacer 115 of the filter unit 110.
  • the 320 and 320 ' may be finished with a washing tube stopper 321.
  • the helmet is equipped with a membrane-integrated air breathing apparatus of the present invention is worn on the user's head through the helmet body 100, as shown in Figure 6, the breathing apparatus 200 wears the wearing band 240 Wear the user's chin through the user's face and through the jaw support 250 through.
  • the purifying breath of the air the user is to be given a suction force (negative pressure) when performing the breath, the suction force is filtered through the suction port 220, 220 'and the air supply pipe 300, 300' Act on the unit 110.
  • the suction force acting on the filter unit 110 is to act on the inner air passage 115a of the inner spacer 115, in which case the through-hole 102a formed in the outer shell 102 of the helmet body 100 ( The outside air is introduced through 102a '), and the introduced air flows along the outer air passage 111a formed in the outer spacer 111 of the filter unit 110, and the outer membrane 112 is moved. Through this, it is possible to filter the fine foreign matter.
  • the air passing through the outer membrane 112 is allowed to filter the air in the process of flowing back into the central spacer 113 and moving along the central air passage 113a, while the inner membrane 114
  • the fine foreign matter contained in the air passing through the central spacer 113 is filtered once more to completely remove the foreign matter contained in the air.
  • the purified air passing through the inner membrane 114 flows into the inner air passage 115a formed by the inner spacer 115 and moves along the inner air passage 115a. Purification of the user is introduced into the inlet port 220, 220 'of the breathing apparatus 200 through the air supply pipe 300, 300' connected to the supply pipe coupling holes 120, 120 'on both sides of the helmet body 100 Breathing into the air becomes possible.
  • the helmet (1) is equipped with a membrane-integrated air breathing apparatus of the present invention, the helmet main body 100 and the breathing apparatus 200 can be easily worn in the industrial field, its use is very convenient
  • the filter unit 110 that can filter the air is to form a state that is built in the interior of the helmet body 100, the filter unit 110, such that the protection of the filter unit 110 is possible Durability is further improved.
  • the helmet (1) equipped with a membrane-integrated air breathing apparatus of the present invention after use, it is possible to simply wash and reuse the filter unit 110.
  • the foreign material discharge hole 130 of any one of the foreign material discharge holes 130 formed on both sides of the helmet body 100 is a stopper 131.
  • the foreign material discharge pipe 135 may be mounted in a removed state.
  • the valve 310 ′ may be in an open state, and the valve 310 ′ may be opened by closing the washing tube stopper 321 of the washing tube 320 of the closed opening / closing valve 310.
  • the user is to supply the air using an air gun (not shown in the figure) and the like provided in a typical industrial site through the open washing tube 320, and thus, the filter unit 110 and the breathing On the contrary, the discharge force (positive pressure) acts.
  • the filter unit 110 when the air pressure acts on the inside of the filter unit 110, the filtered foreign matters are scattered.
  • the scattered foreign matters are guided through the air through holes 137 and 137 'of the foreign substance discharge pipe 135. 136) to be introduced and discharged, it is possible to remove the foreign matter scattered.
  • the foreign matter to be scattered is to act on the air supply pipe 300 'side of the opposite side to which the air pressure is applied, the foreign matter scattered is discharged to the inlet 220' on the opposite side through the air supply pipe 300 'on the opposite side. .
  • the filter unit 110 is the foreign air passage 111a, the central air passage (113a), the inner air passage (115a) can be left in each of the foreign matter, for this purpose, the helmet body 100
  • the washing described above described the injection of air through the air supply pipe 300 on one side, but this is not limited and can be applied to both air supply pipes 300, 300 'as necessary. Will be natural.
  • the helmet (1) is equipped with a membrane-integrated air breathing apparatus according to the present invention, after use, it is possible to simply wash the filter unit 110, the filter unit 110 is improved reusability and accordingly It is possible to exhibit the excellent performance of the filter unit 110 at all times.
  • the helmet equipped with the membrane-integrated air breathing apparatus has a form in which the filter unit is built in the inside of the helmet, so that the filter unit can be protected from external factors such as durability.
  • This further improvement and use is very convenient, and in particular, it is possible to maintain the filtering performance at all times, such as simple washing of the used filter unit is possible.
  • the present invention facilitates the use of a helmet to promote the safety of the user in the industrial site to the air breathing apparatus, by forming an air breathing apparatus integrally to the helmet to enable the filtering of the air during breathing, if necessary, easy Applicable in the field of helmets with backwashable membrane integrated air respirators to enable cleaning use.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un casque équipé d'un appareil respiratoire à air, intégré à une membrane, lavable à contre-courant, qui est conçu de sorte à : avoir une structure dans laquelle un casque possède une unité de filtre intégrée apte à filtrer l'air, de sorte que le casque peut être utilisé simplement et facilement sans l'installation et l'utilisation d'une unité de filtre séparée et est ainsi très pratique à utiliser, et en outre, l'unité de filtre peut être protégée même lorsqu'un impact externe est appliqué sur celle-ci et ainsi la durabilité de l'unité de filtre peut être améliorée; et avoir une structure de soupape d'ouverture/fermeture et une structure de buse d'évacuation, de sorte que l'unité de filtre peut être lavée à l'air au moyen d'une opération simple, et ainsi la réutilisation de celle-ci peut être améliorée et, par conséquent, les performances de l'unité de filtre peuvent être améliorées.
PCT/KR2018/005828 2017-05-23 2018-05-23 Casque équipé d'un appareil respiratoire à air, intégré à une membrane, lavable à contre-courant WO2018217002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0063273 2017-05-23
KR1020170063273A KR101847152B1 (ko) 2017-05-23 2017-05-23 역세척 가능한 멤브레인 일체형 공기호흡장치가 장착된 헬멧

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WO2018217002A1 true WO2018217002A1 (fr) 2018-11-29

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WO (1) WO2018217002A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2753030C1 (ru) * 2021-04-06 2021-08-11 Владимир Викторович Михайлов Защитная маска c теплообменником
GB2612608A (en) * 2021-11-04 2023-05-10 Dyson Technology Ltd Wearable air purifier

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JPH0617303A (ja) * 1992-06-30 1994-01-25 Coal Ind Ltd 保護ヘルメット
JPH11124719A (ja) * 1997-10-22 1999-05-11 Shiiraizu Corporation:Kk 保護帽
KR200442641Y1 (ko) * 2008-08-28 2008-11-28 손용주 공기주머니가 내장된 헬멧 장치
KR101078333B1 (ko) * 2010-11-23 2011-11-01 김창용 공기호흡장치가 장착된 헬멧
KR20130040859A (ko) * 2010-04-06 2013-04-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 공기 여과 장치
KR101547624B1 (ko) * 2012-12-05 2015-08-27 왕종문 다기능 필터

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Publication number Priority date Publication date Assignee Title
KR101036956B1 (ko) * 2010-02-09 2011-05-25 심규성 위생마스크

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617303A (ja) * 1992-06-30 1994-01-25 Coal Ind Ltd 保護ヘルメット
JPH11124719A (ja) * 1997-10-22 1999-05-11 Shiiraizu Corporation:Kk 保護帽
KR200442641Y1 (ko) * 2008-08-28 2008-11-28 손용주 공기주머니가 내장된 헬멧 장치
KR20130040859A (ko) * 2010-04-06 2013-04-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 공기 여과 장치
KR101078333B1 (ko) * 2010-11-23 2011-11-01 김창용 공기호흡장치가 장착된 헬멧
KR101547624B1 (ko) * 2012-12-05 2015-08-27 왕종문 다기능 필터

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RU2753030C1 (ru) * 2021-04-06 2021-08-11 Владимир Викторович Михайлов Защитная маска c теплообменником
GB2612608A (en) * 2021-11-04 2023-05-10 Dyson Technology Ltd Wearable air purifier
GB2612608B (en) * 2021-11-04 2024-06-05 Dyson Technology Ltd Wearable air purifier

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