CN208959331U - Exhalation valve assembly and breathing respirator for wearable protective device - Google Patents
Exhalation valve assembly and breathing respirator for wearable protective device Download PDFInfo
- Publication number
- CN208959331U CN208959331U CN201690000798.2U CN201690000798U CN208959331U CN 208959331 U CN208959331 U CN 208959331U CN 201690000798 U CN201690000798 U CN 201690000798U CN 208959331 U CN208959331 U CN 208959331U
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- China
- Prior art keywords
- valve
- edge
- lock
- supporting element
- protective device
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Classifications
-
- 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
-
- 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
- A62B9/02—Valves
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
-
- 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
-
- 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
- A62B18/02—Masks
- A62B18/025—Halfmasks
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Valve Housings (AREA)
Abstract
A kind of exhalation valve assembly and breathing respirator for wearable protective device, the component includes: valve supporting element, is used to receive valve member in use；Valve deck (4)；And releasable installing mechanism, the valve deck for being releasably attached on the valve supporting element substantially to cover the valve member by the installing mechanism, the installing mechanism includes bayonet lock mechanism, second part (the 20a that the bayonet lock mechanism has the first part (110c) being located on the valve supporting element and is located on the valve deck (4), 20b, 20c), the first part and second part are configured as when the valve deck (4) is rotated relative to the valve supporting element from unlocking configuration in use, the first part and second part are engaged with lock arrangement.
Description
Technical field
The utility model relates generally to a kind of wearable protective device, and more specifically but not necessarily exclusively to packet
Facial respirator containing outlet valve and the removable lid for such outlet valve.
Background technique
Known many different types of facial respirators prevent from intersecting and feel for protecting wearer to avoid sucking hazardous fumes
Dye etc..The such known cover of one kind includes (for example, rubbery) cover resiliently flexible, and cover is configured in use
It fits on the nose and mouth of user, and the opening including generally center, is provided with the opening for limiting air flue, and
And it is provided with one group of radial support member in the opening, and flexible diaphragm is provided on the radial support member, it is described soft
Property diaphragm be configured as limit one-way breather valve.Cover is also provided with a pair of openings at opposite sides or its " cheek " part,
For receiving corresponding filtration core.In use, when the wearer inhales the air, diaphragm seals central opening, and the sky sucked
Gas is forced through filter core and reaches the nose and mouth of user.When the wearer exhales the air, the active force of air-flow leads to the side of diaphragm
Edge is bent far from central opening supporting member, to allow the air breathed out from it by leaving mask.
Lid must be set on the protection device, on the diaphragm for forming outlet valve to prevent it to be damaged and/or for example
It is clogged with the debris.However, it is also important that allow periodically close and remove diaphragm, so that itself and corresponding expiration air flue component
It can be cleaned, be then reassembled with for further use.Therefore, removable lid is usually provided for this purpose.
In the prior art devices, this removable lid is typically configured as clamping or taking off (on linear direction)
Fall mask.However, flexible nature in view of cover main body and may occur when mask is fixed on its face by user
Deformation extent, valve deck may relatively easily be detached from situ and be unintentionally removed.
Accordingly, it is desired to provide a kind of wearable protective device including outlet valve, is provided with solution in the protective device
The certainly removable lid of the problem.
Utility model content
One aspect according to the present utility model provides a kind of exhalation valve assembly for wearable protective device, institute
Stating component includes: valve supporting element, and the valve supporting element is used to receive valve member in use；Valve deck；And releasable installation
Mechanism, the valve deck for being releasably attached on the valve supporting element substantially to cover the valve by the installing mechanism
Component；The installing mechanism includes bayonet lock mechanism, and the bayonet lock mechanism has the be located on the valve supporting element
A part and the second part on the valve deck, the first part and second part are configured as making when the valve deck
When rotating relative to the valve supporting element from unlocking configuration in, the first part and second part are engaged with lock arrangement.
Installing mechanism may include at least two locking components spaced apart on the valve supporting element, and described
At least two openings spaced apart in valve deck, each locking component limits lock-in edge, when the valve deck is located at the valve branch
The position of the opening corresponds roughly to the position on the valve supporting element of the locking component when in support member, substantially to cover
The valve member is covered, so that the lock-in edge phase of the lock-in edge of each locking component and the corresponding opening in the valve deck
The first part of engagement, the bayonet lock mechanism is arranged in each locking component lock-in edge, and described
The second part of bayonet lock mechanism is arranged on each valve deck opening lockout edge.
Locking component can be located at the opposite adjacent edges of approximate diameter of the valve supporting element, and the valve deck is open
The adjacent edges opposite positioned at the corresponding approximate diameter of the valve deck.
In one exemplary embodiment, valve deck may include open holder, and holder has the side wall for limiting obturator
With the lid at one end, extend at least the 50% of the axial length of the side wall wherein the valve deck is open.
Valve deck opening can extend between the 50% to 75% of the axial length of the side wall.Implement in Alternative exemplary
In example, valve deck opening can extend in the axial length of the side wall more than more than on 75%.
Installing mechanism may include at least in the valve deck described in at least third locking component on the valve supporting element
Three openings, the third locking component limit lock-in edge and the first part including the bayonet lock mechanism, and institute
State third limited opening lock-in edge and the second part including the bayonet lock mechanism.
The first part of the bayonet lock mechanism may include the lock-in edge along each locking component
Length positioning recess, and the second part of the bayonet lock mechanism may include along every in the valve deck
The protrusion of the length positioning of the lock-in edge of a opening.However, in other exemplary embodiments of the invention, it is contemplated that
Recess can be set in the lock-in edge of valve deck opening, and protrusion can be set in the lock-in edge of locking component.
No matter which kind of mode, the inward flange of each recess can be ladder-like or comparable steepness taper, and
The lock-in edge on at least side of the recess is provided with relatively shallower tapered profiles.At least side of the recess
On the lock-in edge can have phase during turning to the lock arrangement from the unlocking configuration when in use
For the valve supporting element along the crooked outline of the substantially convex of the direction of travel of the valve deck.
Valve deck may include two outer Cover region blocks, and the first raised Cover region block and second falls Cover region block, first cover region
Block and the second Cover region block define vertical through hole between them.
The facial respirator of breathing including exhalation valve assembly generally as described above is extended in terms of the utility model.
Detailed description of the invention
By the following specifically describes, the these and other aspects of the utility model will become obvious, wherein only by
Exemplary mode and the embodiments of the present invention are described with reference to the drawings, in which:
Fig. 1 is the outlet valve of exemplary embodiment according to the present utility model and the perspective view of lid；
Fig. 2 is the exploded perspective view comprising the outlet valve of Fig. 1 and the breathing mask of lid；
Fig. 3 is that the breathing mask of Fig. 2 is in the configuration that it is assembled completely but the front schematic view of removal lid；
Fig. 3 a is the schematic side elevation of the breathing mask of Fig. 3.
Fig. 3 b is the diagrammatic fragmentary front view of a part of the locking mechanism used in the outlet valve of Fig. 1；
Fig. 3 c is the schematic partial side of a part of the locking mechanism used in the outlet valve of Fig. 1.
Fig. 4 is that the breathing mask of Fig. 2 is in the front view for the configuration that it is assembled completely, including being in its unlocking configuration
Cover；
Fig. 5 is the front view of the breathing mask of Fig. 4, and middle cover is in its lock arrangement；
Fig. 6 is the partial side view of the outlet valve of exemplary embodiment according to the present utility model, and middle cover is in its solution
Lock configuration；With
Fig. 7 is the partial side view of the outlet valve of Fig. 6, and middle cover is in its lock arrangement.
Specific embodiment
With reference to attached drawing 2, the respirator with outlet valve of exemplary embodiment according to the present utility model includes rubbery
Cover 6, rigid inner body 1, band 2, diaphragm 3 and outlet valve retainer (or lid) 4.Each of these elements all fit in
Together to form the complete respirator having for receiving the side opening 36a of corresponding disposable filtering core (not shown).At it
In the form of assembling, inner body 1 is by sealing and adjunction is in cover 6, but band 2, diaphragm 3 and valve deck 4 can be all in accordance with needs
It is removed and is attached again.
With reference to attached drawing 3, the generally circular opening 6a at generally center, cover 6 are provided on the front surface 6b of cover 6
It is formed by the material (such as rubber etc.) of elastically deformable.Inner body 1 limits the plate 1a being generally rigid, and plate 1a limits generally center
Generally circular retainer ring 1b, retainer ring 1b protrudes outward from the opening 6a in cover 6.Retainer ring 1b by six substantially angularly between
Every support pillar 8 run through, support pillar 8 substantially radially from the pin hole 9 at generally center extend.A pair of openings is arranged in cover
The opposite sides of body 6, and be configured to removedly receive the corresponding disposable filtering core of any known configuration.
Referring back to attached drawing 2, flexible diaphragm 3 is arranged on the opening limited by retainer ring 1b, and is supported by pillar 8,
And it is fixed by being integrally formed with diaphragm 3 and being configured to receive the rearwardly projecting pin in pin hole 9.
Referring additionally to attached drawing 3a to 3c, three generally L-shaped locking components 110 are integrally formed and are located at inner body
The position adjacent with the circumferential edge of retainer ring 1b.Each locking component 110 is including spindlelegs portion 110a and in its far-end
The longitudinal axis that shorter flange part 110b, flange part 110b are approximately perpendicular to leg 110a extends, to generate generally L-shaped lock
Determine component 110.Each locking component 110 extends outwardly from the proximal end of corresponding leg 110a, and the preceding table with rigid plate 1a
Face is in small angle, and the flange part 110b of each locking component 110 is radially outward and substantially flat relative to opening 6a
Row extends in the principal plane of rigid plate 1a, as being clearly shown that in attached drawing 3b.
Especially as shown in attached drawing 3c, the free edge of the flange part 110b of each locking component 110 is configured as including edge
Its lateral length is in the recess 110c at intermediate distance.Recess 110c by ladder-like or acute taper inward flange and bending and
The contour limit of convex causes the taper at the position for being distanced laterally from recess 110c shallower.
Referring back to attached drawing 2, when respirator is fully assembled in use, band 2 defines restriction opening 2b generally
The recess portion 2a at center, opening 2b accommodate the retainer ring 1b of inner body 1, and diaphragm 3 is mounted on retainer ring 1b.The 2b that is open is recessed by limiting
The extrorse generally circular boundary 2c framework of the inner circumferential of portion 2a forms.Valve retainer or lid 4 include generic cylindrical, substantially
The shell 4a of rigidity, shell 4a can be transparent and formed by such as plastic material.When respirator is fully assembled use
When, the circumferential size of cylindrical housings is designed to fit in the groove 2a of band 2.The shell is provided with outer cover, described
Outer cover, which has, first raises the general planar portion 4c that protrusion 4b and second is fallen, limit between them generally center on open
Mouth 4d.Vertical support 4e is vertically disposed at across opening 4d to be raised cover 4b and falls cover 4c.Shell 4a's
Side edge is provided with the part that cuts out of opening 20a, 20b, 20c form in the form of a substantially rectangular, and opening 20a, 20b, 20c is from corresponding lid
The outer edge in portion is laterally extended, and from the position of the opposite longitudinal edges close to shell 4a (that is, when breathing mask is by complete group
Dress is in use, close to the position of the circumferential edge with circular rabbet 2a) extend, and almost across the cylindrical housing portion 4a of lid
Whole length.
The lower edge of each rectangular aperture 20a, 20b, 20c be provided at eccentric position along its length corresponding tooth or
Rib 13.
From such as attached drawing 1,4,6 and 7 it is appreciated that the phase of opening 20a, 20b, 20c in the shell of valve retainer or lid 4
To the relative position for the locking component 110 that position substantially corresponds to be arranged in inner body 1, and the periphery of shell 4a is at least
Allow when breathing mask is fully assembled use locking component 110 at these at the position of opening 20a, 20b, 20c
Corresponding position is contained in shell.
In addition opening 22 can according to need the circumferential position for being disposed around the side of shell 4a, further to drop
Low respiratory resistance, this will be discussed in greater detail hereinafter.
In use, valve retainer 4 can be placed on the outlet valve (being limited outward by diaphragm 3) of breathing mask,
And it reverses relative to locking component 110 and is locked on exhalation valve assembly by by valve retainer (in the form of in lid).Locking machine
Structure is in the form of bayonet lock mechanism, wherein the recess 110c in each flange part 110b of corresponding locking component 110 is formed
The recessed holder of locking mechanism, and the convex portion of 13 formation mechanism of tooth or rib on the inward flange of each opening 20a, 20b, 20c.
Therefore, with reference to attached drawing 6 and 7, when in the configuration assembled completely, each opening 20a, 20b, 20c have
Double wedge 13 of the main body 6 in the innermost edge in hole relative to breathing mask.The double wedge 13 of each opening 20a, 20b, 20c are corresponding
Recess 110c in the flange part 110b of each locking component 110.
With reference to attached drawing 6, when outlet valve is in unlocking configuration, three locking components 110 are loosely received and are kept by valve
In the recess portion that rectangular aperture 20a, 20b, 20c of frame 4 are limited.Therefore, valve retainer 4 can be promoted from component, and release band 2 is simultaneously
Outlet valve is set to be removed.This can be necessary the usually requiring periodically to carry out of the task, for example, to remove and clean
Diaphragm 3.
Outlet valve is transformed into substantially 45 ° of the rotation that lock arrangement needs valve retainer from unlocking configuration, forces opening
The inward flange of 20a, 20b, 20c are along the convex and tapered edge of the respective flanges portion 110b of locking component 110 until each tooth
The ladder-like opposite edges of the corresponding recess 110c of 13 arrival and recess 110c prevent valve retainer 4 further relative to inner body
Rotation, and do not have to apply bigger power.
With reference to attached drawing 7, when outlet valve is in lock arrangement, it is corresponding that each double wedge 13 is located at each of locking component 110
Flange part 110b in each recess 110c in, prevent valve retainer 4 rotation and then from component promotion.Each opening 20a,
The shallow taper and crooked outline of the preceding inward flange of 20b, 20c are (when rotating to lock arrangement from unlocking configuration, in the traveling side of lid
Allow to realize lock out action with relatively small power upwards).However, close to the steeper stepped edges meaning of each recess 110c
Taste need much bigger power to solve locking-valve retainer 4 to remove it, it is surprisingly removed in use to minimize
Situation.
The big side opening of the configured in one piece and a part as locking mechanism itself of valve holding frame locking means
Using making lid that can be provided with relatively large open area, so that respiratory resistance be made to minimize.
It can be seen that in locking component 110 in some exemplary embodiments of the utility model, and from attached drawing 3
Two, and therefore two in flange part 110b are of the same size, and third locking component 110 therefore corresponding the
Three flange part 110b have different smaller sizes.Which ensure that valve retainer 4 cannot be mistakenly assembled on breathing mask,
And opening 20a, 20b, 20c will be engaged only with individually specific orientation with flange part 110b accordingly.On the surface of band 2
On can also be carved with label, corresponding to the dent in valve retainer 4, when in unlock and lock arrangement, be directed toward for user
The correct position of valve retainer 4.
It will be apparent to those skilled in the art that from the foregoing description, it can be to described implementation
Example is modified and is changed, without departing from the scope of the utility model as defined in the appended claims.
Claims (12)
1. a kind of exhalation valve assembly for wearable protective device, which is characterized in that the component includes: valve supporting element, institute
Valve supporting element is stated to be used to receive valve member in use；Valve deck；And releasable installing mechanism, the installing mechanism is used for will
The valve deck is releasably attached to the valve supporting element substantially to cover the valve member, and the installing mechanism includes bayonet
Locking mechanism, the bayonet lock mechanism have the first part being located on the valve supporting element and the on the valve deck
Two parts, the first part and second part are configured as when the valve deck is in use relative to the valve supporting element from solution
When lock configuration rotation, the first part and second part are engaged with lock arrangement.
2. the exhalation valve assembly according to claim 1 for wearable protective device, which is characterized in that the fitting machine
Structure includes between at least two locking components spaced apart on the valve supporting element and at least two in the valve deck
The opening separated, each locking component limit lock-in edge, when the valve deck is located on the valve supporting element, the opening
Position corresponds roughly to the position on the valve supporting element of the locking component, substantially to cover the valve member, thus
So that the lock-in edge of each locking component is engaged with the lock-in edge of the corresponding opening in the valve deck, the bayonet locking
The first part of mechanism is arranged in each locking component lock-in edge, and the bayonet lock mechanism is described
Second part is arranged on each valve deck opening lockout edge.
3. the exhalation valve assembly according to claim 2 for wearable protective device, which is characterized in that the locking structure
Part is located at the opposite adjacent edges of approximate diameter of the valve supporting element, and valve deck opening is located at the corresponding of the valve deck
The opposite adjacent edges of approximate diameter.
4. the exhalation valve assembly according to claim 2 for wearable protective device, which is characterized in that the valve deck packet
Open holder is included, the holder has the side wall for limiting obturator and the lid in one end, wherein valve deck opening is in institute
It states and extends at least the 50% of the axial length of side wall.
5. the exhalation valve assembly according to claim 4 for wearable protective device, which is characterized in that the valve deck is opened
Mouth extends between the 50% to 75% of the axial length of the side wall.
6. the exhalation valve assembly according to claim 4 for wearable protective device, which is characterized in that the valve deck is opened
Mouth extends in being more than on 75% for axial length of the side wall.
7. the exhalation valve assembly according to claim 2 for wearable protective device, which is characterized in that the fitting machine
Structure includes at least third opening in at least third locking component and the valve deck on the valve supporting element, the third
Locking component limits lock-in edge and the first part including the bayonet lock mechanism, the third limited opening locking edge
Edge and second part including the bayonet lock mechanism.
8. the exhalation valve assembly according to claim 2 for wearable protective device, which is characterized in that the bayonet lock
Determine mechanism the first part include along the recess of the length positioning of the lock-in edge of each locking component, and
And the second part of the bayonet lock mechanism includes the locking edge along each of the valve deck opening
The protrusion of the length positioning of edge.
9. the exhalation valve assembly according to claim 8 for wearable protective device, which is characterized in that each described recessed
The inward flange of mouth is ladder-like or comparable steepness taper, and the lock-in edge on at least side of the recess is set
It is equipped with relatively shallower tapered profiles.
10. the exhalation valve assembly according to claim 9 for wearable protective device, which is characterized in that the recess
At least side on the lock-in edge have when in use in the mistake for turning to the lock arrangement from the unlocking configuration
Relative to the valve supporting element along the crooked outline of the substantially convex of the direction of travel of the valve deck in journey.
11. the exhalation valve assembly according to claim 1 for wearable protective device, which is characterized in that the valve deck
Cover region block is fallen including the first raised Cover region block and second, the described first raised Cover region block and described second falls Cover region block at him
Between define vertical through hole.
12. a kind of breathing respirator, which is characterized in that including expiration valve group according to any one of the preceding claims
Part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1508264.7 | 2015-05-14 | ||
| GB1508264.7A GB2538284B (en) | 2015-05-14 | 2015-05-14 | Wearable protective device |
| PCT/GB2016/051355 WO2016181144A1 (en) | 2015-05-14 | 2016-05-11 | Exhalation valve assembly for a wearable protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208959331U true CN208959331U (en) | 2019-06-11 |
Family
ID=53489633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000798.2U Active CN208959331U (en) | 2015-05-14 | 2016-05-11 | Exhalation valve assembly and breathing respirator for wearable protective device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3294422A1 (en) |
| CN (1) | CN208959331U (en) |
| EA (1) | EA037028B1 (en) |
| GB (1) | GB2538284B (en) |
| WO (1) | WO2016181144A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108135298A (en) * | 2015-09-30 | 2018-06-08 | 3M创新有限公司 | Foldable face-piece respirator with outlet valve |
| CN110580966A (en) * | 2019-09-09 | 2019-12-17 | 潍坊护理职业学院 | special protective clothing of internal medicine with antibiotic radiation protection function |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456919A (en) * | 2014-05-26 | 2017-02-22 | 创烁私人有限公司 | Respiratory device with unidirectional valve for attaching active venting system |
| US11266861B2 (en) | 2015-06-10 | 2022-03-08 | Louis M. Gerson Co., Inc. | Face mask assembly |
| GB2589749B (en) * | 2018-06-11 | 2022-09-07 | Gerson Co Inc Louis M | Face mask assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB530289A (en) * | 1939-02-13 | 1940-12-09 | Otto Heinrich Draeger | Exhalation valve device for gas masks |
| US2929376A (en) * | 1956-02-27 | 1960-03-22 | Garrett Corp | Underwater breathing apparatus |
| US4850346A (en) * | 1986-10-20 | 1989-07-25 | Wgm Safety Corp. | Respirator |
| US4934631A (en) * | 1989-01-09 | 1990-06-19 | Ulysses Corporation | Lighter-than-air type vehicle |
| DE602005024877D1 (en) * | 2004-09-27 | 2010-12-30 | Avon Protection Systems Inc | Exhalation unit of a breathing apparatus |
| EP1647310B1 (en) * | 2004-10-15 | 2007-08-15 | Moldex-Metric Ag & Co. Kg | Breathing mask with exhalation valve |
| US8443806B2 (en) * | 2005-04-29 | 2013-05-21 | Honeywell International Inc. | Face piece seal check device |
| EP2243518B1 (en) * | 2009-04-24 | 2013-01-02 | Moldex-Metric AG & Co. KG | Respiratory mask |
| US8365771B2 (en) * | 2009-12-16 | 2013-02-05 | 3M Innovative Properties Company | Unidirectional valves and filtering face masks comprising unidirectional valves |
| CA2786166A1 (en) * | 2011-08-16 | 2013-02-16 | Green-Lights Inc. | Electrical connector |
| CN202751705U (en) * | 2012-09-03 | 2013-02-27 | 上海港凯净化制品有限公司 | Breather valve structure |
| US9192796B2 (en) * | 2012-10-25 | 2015-11-24 | Honeywell International Inc. | Method of donning and testing abrasive blast respirator |
| US9192794B2 (en) * | 2012-10-25 | 2015-11-24 | Honeywell International Inc. | Noise reduction system for supplied air respirator |
| GB2508184A (en) * | 2012-11-22 | 2014-05-28 | 3M Innovative Properties Co | Powered exhaust apparatus for respiratory device |
| CN203915821U (en) * | 2014-06-11 | 2014-11-05 | 上海兴诺康纶纤维科技股份有限公司 | A kind of breather valve |
| CN204447026U (en) * | 2014-12-09 | 2015-07-08 | 蓝色智库（北京）科技发展有限公司 | A kind of three-layer plastic buckle-type breather valve |
-
2015
- 2015-05-14 GB GB1508264.7A patent/GB2538284B/en active Active
-
2016
- 2016-05-11 CN CN201690000798.2U patent/CN208959331U/en active Active
- 2016-05-11 EP EP16729613.6A patent/EP3294422A1/en active Pending
- 2016-05-11 WO PCT/GB2016/051355 patent/WO2016181144A1/en active Application Filing
- 2016-05-11 EA EA201792260A patent/EA037028B1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108135298A (en) * | 2015-09-30 | 2018-06-08 | 3M创新有限公司 | Foldable face-piece respirator with outlet valve |
| CN110580966A (en) * | 2019-09-09 | 2019-12-17 | 潍坊护理职业学院 | special protective clothing of internal medicine with antibiotic radiation protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3294422A1 (en) | 2018-03-21 |
| EA201792260A1 (en) | 2018-05-31 |
| GB2538284A (en) | 2016-11-16 |
| GB201508264D0 (en) | 2015-06-24 |
| WO2016181144A1 (en) | 2016-11-17 |
| EA037028B1 (en) | 2021-01-28 |
| GB2538284B (en) | 2021-05-05 |
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