CN103041523A - Respirator mask - Google Patents
Respirator mask Download PDFInfo
- Publication number
- CN103041523A CN103041523A CN2012103812721A CN201210381272A CN103041523A CN 103041523 A CN103041523 A CN 103041523A CN 2012103812721 A CN2012103812721 A CN 2012103812721A CN 201210381272 A CN201210381272 A CN 201210381272A CN 103041523 A CN103041523 A CN 103041523A
- Authority
- CN
- China
- Prior art keywords
- face shield
- face
- respiratory protection
- face contact
- protrusion section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The respirator mask has a cup-shaped mask body (1) with a longitudinal central axis (3), a closure edge area circumferentially closed around the longitudinal central axis, a nose receiver for receiving the nose of the wearer and two face engaging-bumps with face engaging-head surfaces. The face engaging-bumps are provided for engaging the face of the wearer in the direction of the longitudinal central axis opposite to the closure edge area. A sealing lip is provided for engaging the face of the wearer and is connected with the closure edge area in a sealed manner.
Description
It is the priority of 10 2,011 084 285.3 German patent application that the application requires in the sequence number that on October 11st, 2011 submitted to, and its content all is incorporated herein by reference, just as putting down in writing fully in this article.
Technical field
The present invention relates to a kind of respiratory protection face shield of the breathe air for filtering wearer or personnel.This respiratory protection face shield especially is used in the labour protection field.Other applications also are possible.
Background technology
From prior art, can know most diverse respiratory protection face shield.
Summary of the invention
The present invention is based on the purpose that a kind of respiratory protection face shield is provided, this respiratory protection face shield provides the protection of special height for the wearer of respiratory protection face shield.In addition, this respiratory protection face shield will have extremely good comfortable wearing degree.
This purpose realizes by a kind of respiratory protection face shield according to the present invention; described respiratory protection face shield is used for the wearer's of this respiratory protection face shield of filtration breathe air; it comprises the face shield body of the shelly with longitudinal center's axis; this face shield body has the circumferential terminal edge zone around longitudinal center's axis sealing; nose receptacle and two face contact protrusion sections of being used for admittance wearer's nose; face contact protrusion section with respect to the terminal edge zone the direction upper process of longitudinal center's axis with only lean against the wearer on the face and have a face contact top surface; and described respiratory protection face shield comprises the sealed lip of the circumferential tab-like (lug-like) of sealing; the sealing lip is used for only leaning against the wearer on the face, and it closely is connected to the terminal edge zone; the self terminal fringe region extends internally in the direction of longitudinal center's axis; and cave in in the zone of face contact protrusion section that to make face contact top surface be freely.Core of the present invention mainly is that the respiratory protection face shield has sealed lip and face contact protrusion section, the not sealed lip covering of face contact top surface of face contact protrusion section.For this purpose, sealed lip has at least one corresponding depression at face contact protrusion section place.Can continuous depression be set at face contact protrusion section place, it extends in the nose receptacle substantially.Alternatively, each face contact protrusion section is equipped with its oneself depression.Thereby two depressions that are separated from each other are set.When the respiratory protection face shield was worn, therefore face contact protrusion section can be placed on the wearer on the face by their face contact top surface.Thereby they preferably only lean against near wearer's the nose the nostril and/or cheek zone.Therefore the respiratory protection face shield can be fixed on the wearer in skid-resistant mode especially, even especially when the wearer moves, also can have extraordinary confining force the wearer.Therefore this respiratory protection face shield has the protection effect of special height.For example, its protection wearer avoids the pollutant infringement in the environment of danger or in the environment of those insalubrity.
The face shield body preferably is configured to the molding of dimensionally stable.
Sealed lip is preferably with one-piece construction.The independent parts that sealed lip is configured to closely to be connected to the terminal edge zone are favourable.Alternatively, the one-piece construction of sealed lip and face shield body is possible.Sealed lip is preferably by the plastic material formation of foam.
Such structure---in this structure; in a face contact protrusion section outside of facing mutually with an adjacent part in terminal edge zone; sealed lip at least in part, preferably hides each face contact protrusion section at least to a great extent---cause a kind of very safe respiratory protection face shield, because therefore sealed lip also seals in the zone of face contact protrusion section.It is favourable that the face contact protrusion section inboard relative with the face contact protrusion section outside keeps respectively not sealed lip to hide or be not subjected to the sealed lip intervention.The side that the circumferential direction transverse to the face shield body of face contact protrusion section is orientated preferably also keeps basically not being subjected to sealed lip intervention or not covered.
Because sealed lip has freely, flexible face contact site to be to be used for only leaning against the wearer on the face, therefore, this respiratory protection face shield can be matched with wearer's face particularly well, thereby can realize the protection very highly to the wearer of respiratory protection face shield.
Such structure---in this structure, have mean breadth B in the zone of the nose receptacle of face contact site between face contact protrusion section
NAnd in the zone of face contact protrusion section, has a mean breadth B
H, wherein satisfy: 0.1≤B
H/ B
N≤ 0.9,0.2≤B more preferably
H/ B
N≤ 0.5; And in this structure, the face contact site has mean breadth B in the cheek zone of face shield body
WAnd in the zone of face contact protrusion section, has a mean breadth B
H, wherein satisfy: 0.05≤B
H/ B
W≤ 0.6,0.1≤B more preferably
H/ B
W≤ 0.4; And in this structure, mean breadth B
HBetween 1mm and 5mm, more preferably between 2mm and 4mm---the preferred size of respiratory protection face shield is provided.The face contact site in the zone of face contact protrusion section, advantageously have between 1mm and the 5mm, the mean breadth B between 2mm and 4mm more preferably
H
The connecting portion of sealed lip is connected to the face shield body securely by the terminal edge zone.Sealed lip preferably welds or is bonded to the face shield body.It is favourable that sealed lip is connected to the face shield body securely along whole terminal edge zone.
Wherein the structure of face contact protrusion section dimensionally stable so that the respiratory protection face shield can be worn especially safely.
The respiratory protection face shield that one of them face contact protrusion section is arranged in respectively on the side of nose receptacle can very well be fixed on the wearer on the face.Face contact protrusion section prevents the horizontal slip of respiratory protection face shield.This has caused very safe respiratory protection face shield and has been connected with the tight of wearer.
Be arranged in respectively the explanation that the respiratory protection face shield on the side of nose receptacle does/statement for one of them face contact protrusion section and basically also be applicable to the wherein respiratory protection face shield of nose receptacle dimensionally stable.
Wherein the structure that formed by the transparent filtering material of air of face shield body is so that can directly breathe by the face shield body.Filtering material filters breathe air.The transparent filtering material of air is non-woven material preferably.Composite/synthetic material also can be used as filtering material.
If at the face shield body at least one outlet valve and inlet valve are set, then the face shield body also can be formed by the not penetrable material of air.
Wherein be provided with the especially easily expiration of respiratory protection face shield permission of at least one outlet valve at the face shield body.
The respiratory protection face shield that wherein be provided with at least one other filter element at the face shield body, preferably is provided with at least one inlet valve at least one other filter element at this has king-sized filtering surface and protects particularly well the wearer to avoid the pollutant infringement.Can be air-breathing easily by this at least one inlet valve.
Wherein be provided with at least one fixture at the face shield body and can realize the especially firmly supporting of respiratory protection face shield on the wearer with the structure on the head that the face shield body is fixed on the wearer.Fixture is such as being rope, belt, hood (hood) etc.It is preferably made such as rubber by elastomeric material.
Description of drawings
With reference to accompanying drawing, now by example preferred embodiment of the present invention is described.
Fig. 1 shows the schematic plan view according to respiratory protection face shield of the present invention,
Fig. 2 shows the view of the respiratory protection face shield shown in the Fig. 1 that sees from behind, and
Fig. 3 shows the cutaway view according to the respiratory protection face shield of the hatching III-III among Fig. 2.
The specific embodiment
Respiratory protection face shield shown in Fig. 1-3 comprises the face shield body 1 of three-dimensional of shelly and the circumference sealed lip 2 on the face that the edge that is fastened on face shield body 1 is used for only leaning against the wearer.
Face shield body 1 has longitudinal center's axis 3, and it is by the center of respiratory protection face shield.Longitudinal center's axis 3 is arranged in symmetrical plane E, and this symmetrical plane E is divided into two equal halfbodies with the respiratory protection face shield.Therefore the respiratory protection face shield is symmetrical.
Face shield body 1 has freely terminal edge zone 4, and it extends and circumferentially sealing around longitudinal center's axis 3.This terminal edge zone 4 is positioned on the plane that intersects vertically with longitudinal center axis 3 substantially.It extends around longitudinal center's axis 3 general toroidal.
Face shield body 1 has sidewall 5 and in abutting connection with the front area 6 of sidewall 5.Front area 6 is arranged spaced apart with terminal edge zone 4.It is positioned at one substantially with on the parallel plane plane in terminal edge zone 4.Sidewall 5 and front area 6 have defined face shield body interior 7 together.Face shield body interior 7 has been decided on sidewall 5 horizontal boundary of a piece of land in this kind situation, and front area 6 has defined face shield body interior 7 towards the front portion.Sidewall 5 forwardly on 6 the direction of zone from slightly polymerization of terminal edge zone 4.
Face shield body 1 has the chin area 8 of the bottom on sidewall 5.Relative with the chin area 8 of bottom, face shield body 1 has the nose receptacle 9 on top at sidewall 5, and its size is stable.Nose receptacle 9 is suitable for the profile of wearer's nose aspect shape and size.Symmetrical plane E extends through chin area 8 and nose receptacle 9.
Face shield body 1 also has in two of nose receptacle 9 places identical face contact protrusion sections 12.Face contact protrusion section 12 here on terminal edge zone 4 in abutting connection with each nostril region 11.Face contact protrusion section 12 is outstanding backward on the direction of longitudinal center's axis 3 with respect to terminal edge zone 4.They therefore self terminal fringe region 4 extend in the direction opposite with sidewall 5.Each face contact protrusion section 12 has the face contact top surface 13 of sealing, and it is bending or flat.In addition, each face contact protrusion section 12 has the face contact protrusion section outside 14 and the face contact protrusion section inboard 15 relative with the face contact protrusion section outside.Each face contact protrusion section outside 14 is in the face of an adjacent part in terminal edge zone 4.The face contact protrusion section of face contact protrusion section 12 outside 14 and face contact protrusion section inboard 15 interconnect by face contact protrusion respect to one another section lateral side regions 16 respectively.Face contact protrusion section 12 is three-dimensional.
Sealed lip 2 has outer connecting portion 17 and inside face contact site 18 in abutting connection with outer connecting portion.
Connecting portion 17 is connected to face shield body 1 at rear side securely along terminal edge zone 4.It is Immobile about face shield body 1 substantially.Connecting portion 17 is circumferentially sealings.
On the other hand, face contact site 18 is at inner abutment connecting portion 17 and be flexible and freely.It is movable about face shield body 1, and is especially pivotable.Face contact site 18 is projected in the face shield body interior 7 and in the direction of longitudinal center's axis 3 and extends.When the respiratory protection face shield was not worn, face contact site 18 extended about longitudinal center's axis 3 in this kind situation to a great extent substantially obliquely.It circumferentially seals.
The width of sealed lip 2 is not constant (Fig. 2).Sealed lip 2 has different width.The width of sealed lip 2 refer to sealed lip 2 perpendicular to its circumferential direction or in the upwardly extending size in the side of longitudinal center's axis 3.The width of sealed lip 2 at first begins to increase from the chin area 8 of face shield body 1.Sealed lip 2 has maximum width face shield body 1 in the cheek zone 21 of chin area 8.Cheek zone 21 is between chin area 8 and face contact protrusion section 12.
Be provided with face contact site depression 19 in the zone of the face contact protrusion section 12 in face contact site 18, compare the width that reduces thereby face contact site 18 has there with cheek zone 21.But the width of face contact site 18 keeps off zero there.The width of face contact site 18 in the nasal bridge region 10 of face shield body 1 increases again a little than the zone with face contact protrusion section 12 adjacency.The width substantially constant of the connecting portion 17 of sealed lip 2.
On the other hand, face contact site 18 has mean breadth B in cheek zone 21
WThis is at B
HWith B
WBetween satisfy ratio: 0.05≤B
H/ B
W≤ 0.6,0.1≤B more preferably
H/ B
W≤ 0.4.
In preferred embodiment, mean breadth B
H3mm, and mean breadth B
N12mm.On the other hand, mean breadth B
W24mm.
One outlet valve 22 is plugged in the front area 6 and has outside flexible membrane 23.In addition, two inlet valves 24 are plugged in the sidewall 5 and have respectively flexible membrane 25 in the inboard.Each inlet valve 24 is equipped with other filter element 26, filter element 26 be arranged on the outside of face shield body 1 and in the outside around corresponding inlet valve 24.These valves 22,24 are check valve preferably.
In addition, one preferably can by close mechanism easily the closed type fixed band (not shown) of open and close be fastened to face shield body 1.
The below is in respiratory protection face shield in the state of wearing with description.Face shield body 1 is placed on the wearer on the face, is arranged in chin area 8 so that wearer's nose is arranged in nose receptacle 9 and wearer's chin.Wearer's the bridge of the nose is preferably ended to lean against on the inboard in the zone of nasal bridge region 10 at least.Wearer's nostril preferably ends to lean against on the inboard in the zone of nostril region 11 at least.On the other hand, face contact top surface 13 has and direct connection of wearer's face/contact.The face contact site 18 of sealed lip 2 only leans against on the corresponding face contact protrusion section outside 14 of face contact protrusion section 12 in the mode of sealing here.Cheek zone 21 is arranged in abutting connection with wearer's cheek.Face shield body interior 7 be located immediately at the wearer mouth the place ahead and hide wearer's nose.Face shield body 1 is fixed on wearer's the head by fixed band.
The wearer can be via the 1 air-breathing and expiration of face shield body.Be convenient to air-breathing by inlet valve 24.In intake period, film 25 inwardly promotes and discharges respectively/get through air passages openings (not shown) on the sidewall 5 from the film holder (not shown) of inlet valve 24.During exhaling, film 25 occluded air access portal.
During exhaling, film 23 outwards promotes and discharges/get through air passages openings 28 on the front area 6 from the film holder 27 of outlet valve 22.In intake period, film 23 occluded air access portal 28.
When the respiratory protection face shield was worn, sealed lip 2 only leaned against the wearer on the face closely.Sealed lip 2 is also extending below wearer's the mouth and above wearer's the nasion.Sealed lip 2 is suitable for the profile of wearer's face.
Claims (20)
1. respiratory protection face shield, this respiratory protection face shield are used for filtering the wearer's of this respiratory protection face shield breathe air, comprising:
A. the face shield body (1) of shelly, this face shield body has
I. longitudinal center's axis (3),
The circumferential terminal edge regional (4) of ii. sealing around described longitudinal center axis (3),
Iii. the nose receptacle (9) that is used for admittance wearer's nose, and
Iv. two face contact protrusion sections (12), described face contact protrusion section with respect to described terminal edge zone (4) the direction upper process of described longitudinal center axis (3) with only lean against the wearer on the face and have a face contact top surface (13), and
The sealed lip (2) of the circumferential tab-like of b. sealing, sealing lip are used for only leaning against the wearer on the face, the sealing lip
I. closely be connected to described terminal edge zone (4),
Ii. extend internally in the direction of described longitudinal center axis (3) from described terminal edge zone (4), and
Iii. cave in in the zone of described face contact protrusion section (12) that to make described face contact top surface (13) be freely.
2. respiratory protection face shield according to claim 1; it is characterized in that; locate in the face contact protrusion section outside (14) of facing mutually with an adjacent part in described terminal edge zone (4), described sealed lip (2) hides each face contact protrusion section (12) at least in part.
3. respiratory protection face shield according to claim 1; it is characterized in that; on the face contact protrusion section outside (14) of facing mutually with an adjacent part in described terminal edge zone (4), described sealed lip (2) hides each face contact protrusion section (12) at least to a great extent.
4. respiratory protection face shield according to claim 1 is characterized in that, described sealed lip (2) has flexible freely face contact site (18) to be used for only leaning against the wearer on the face.
5. respiratory protection face shield according to claim 4 is characterized in that, has mean breadth B in the zone of the nose receptacle (9) of described face contact site (18) between face contact protrusion section (12)
NAnd in the zone of face contact protrusion section (12), has mean breadth B
H, wherein satisfy: 0.1≤B
H/ B
N≤ 0.9.
6. respiratory protection face shield according to claim 4 is characterized in that, has mean breadth B in the zone of the nose receptacle (9) of described face contact site (18) between face contact protrusion section (12)
NAnd in the zone of face contact protrusion section (12), has mean breadth B
H, wherein satisfy: 0.2≤B
H/ B
N≤ 0.5.
7. respiratory protection face shield according to claim 4 is characterized in that, described face contact site (18) has mean breadth B in the cheek zone (21) of face shield body (1)
WAnd in the zone of face contact protrusion section (12), has mean breadth B
H, wherein satisfy: 0.05≤B
H/ B
W≤ 0.6.
8. respiratory protection face shield according to claim 4 is characterized in that, described face contact site (18) has mean breadth B in the cheek zone (21) of face shield body (1)
WAnd in the zone of face contact protrusion section (12), has mean breadth B
H, wherein satisfy: 0.1≤B
H/ B
W≤ 0.4.
9. respiratory protection face shield according to claim 5 is characterized in that, described mean breadth B
HBetween 1mm and 5mm.
10. respiratory protection face shield according to claim 5 is characterized in that, described mean breadth B
HBetween 2mm and 4mm.
11. respiratory protection face shield according to claim 1 is characterized in that, described sealed lip (2) has connecting portion (17), and this connecting portion is connected to described face shield body (1) securely by described terminal edge zone (4).
12. respiratory protection face shield according to claim 11; wherein; described sealed lip (2) has flexible freely face contact site (18) to be used for only leaning against the wearer on the face, it is characterized in that, described face contact site (18) is at inboard adjacency described connecting portion (17).
13. respiratory protection face shield according to claim 1 is characterized in that, described face contact protrusion section (12) dimensionally stable.
14. respiratory protection face shield according to claim 1 is characterized in that, one of them face contact protrusion section (12) is arranged on the side of described nose receptacle (9).
15. respiratory protection face shield according to claim 1 is characterized in that, described nose receptacle (9) dimensionally stable.
16. respiratory protection face shield according to claim 1 is characterized in that, described face shield body (1) is formed by the transparent filtering material of air.
17. according to each described respiratory protection face shield in the aforementioned claim, it is characterized in that, be provided with at least one outlet valve (22) at described face shield body (1).
18. respiratory protection face shield according to claim 1 is characterized in that, is provided with at least one other filter element (26) at described face shield body (1).
19. respiratory protection face shield according to claim 18 is characterized in that, is furnished with at least one inlet valve (24) in described at least one other filter element (26).
20. respiratory protection face shield according to claim 1 is characterized in that, described face shield body (1) be provided with at least one fixture with face shield body (1) is fixed on the wearer the head on.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011084285.3 | 2011-10-11 | ||
| DE102011084285A DE102011084285A1 (en) | 2011-10-11 | 2011-10-11 | Respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103041523A true CN103041523A (en) | 2013-04-17 |
| CN103041523B CN103041523B (en) | 2015-10-07 |
Family
ID=46924279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210381272.1A Expired - Fee Related CN103041523B (en) | 2011-10-11 | 2012-10-10 | Respiratory protection face shield |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2581114A3 (en) |
| CN (1) | CN103041523B (en) |
| DE (1) | DE102011084285A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363143A (en) * | 2014-08-14 | 2016-03-02 | 优维斯劳动保护有限公司 | Respirator-holding part |
| CN109966615A (en) * | 2017-12-21 | 2019-07-05 | 德尔格安全股份两合公司 | For two breathing hoses of circulatory and respiratory protection instrument to be connected in the mask adapter at breathing mask |
| CN112203727A (en) * | 2018-06-06 | 2021-01-08 | 德尔格安全股份两合公司 | Breathing protective mask and filter housing for a breathing protective mask |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020114514B4 (en) | 2020-05-29 | 2021-12-30 | Frank Hornung | Respirator with replaceable filter elements |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641645A (en) * | 1985-07-15 | 1987-02-10 | New England Thermoplastics, Inc. | Face mask |
| CN201410242Y (en) * | 2009-06-09 | 2010-02-24 | 无锡市华信安全设备有限公司 | Half face shield with high sealing performance |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2344669A (en) * | 1942-05-12 | 1944-03-21 | Secretary Of War Of The United | Dust respirator |
| US2787264A (en) * | 1953-02-07 | 1957-04-02 | Plastiques Soc D Expl Des | Mask for filtering air containing fine particles such as dust |
| US4319567A (en) * | 1980-07-07 | 1982-03-16 | Moldex/Metric Products, Inc. | Disposable face mask |
| US4616647A (en) * | 1984-08-13 | 1986-10-14 | Parmelee Industries, Inc. | Molded fiber disposable face mask having enhanced nose and chin filter-seals |
| US5617849A (en) * | 1995-09-12 | 1997-04-08 | Minnesota Mining And Manufacturing Company | Respirator having thermochromic fit-indicating seal |
| US8104472B2 (en) * | 2004-03-26 | 2012-01-31 | 3M Innovative Properties Company | Non-elastomeric respirator mask that has deformable cheek portions |
| US20080099022A1 (en) * | 2006-10-26 | 2008-05-01 | 3M Innovative Properties Company | Respirator That Uses A Predefined Nose Foam Shape |
-
2011
- 2011-10-11 DE DE102011084285A patent/DE102011084285A1/en not_active Withdrawn
-
2012
- 2012-09-11 EP EP12183799.1A patent/EP2581114A3/en not_active Withdrawn
- 2012-10-10 CN CN201210381272.1A patent/CN103041523B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641645A (en) * | 1985-07-15 | 1987-02-10 | New England Thermoplastics, Inc. | Face mask |
| CN201410242Y (en) * | 2009-06-09 | 2010-02-24 | 无锡市华信安全设备有限公司 | Half face shield with high sealing performance |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363143A (en) * | 2014-08-14 | 2016-03-02 | 优维斯劳动保护有限公司 | Respirator-holding part |
| CN105363143B (en) * | 2014-08-14 | 2019-03-26 | 优维斯劳动保护有限公司 | Respiratory protection cover-holder and its component and half cover |
| CN109966615A (en) * | 2017-12-21 | 2019-07-05 | 德尔格安全股份两合公司 | For two breathing hoses of circulatory and respiratory protection instrument to be connected in the mask adapter at breathing mask |
| CN109966615B (en) * | 2017-12-21 | 2022-06-24 | 德尔格安全股份两合公司 | Mask adapter for connecting two breathing tubes of a cyclic breathing protection device to a breathing mask |
| CN112203727A (en) * | 2018-06-06 | 2021-01-08 | 德尔格安全股份两合公司 | Breathing protective mask and filter housing for a breathing protective mask |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2581114A2 (en) | 2013-04-17 |
| CN103041523B (en) | 2015-10-07 |
| DE102011084285A1 (en) | 2013-04-11 |
| EP2581114A3 (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210346730A1 (en) | Respiratory protective device | |
| AU2014309245B2 (en) | Personal respiratory protection device | |
| AU2014309237B2 (en) | Personal respiratory protection device | |
| US9776023B2 (en) | Respiratory mask having a nose support extension | |
| AU2016341973B2 (en) | Respirator mask with eyewear interface | |
| CA2921354A1 (en) | Personal respiratory protection device | |
| CN103041523A (en) | Respirator mask | |
| US20160082296A1 (en) | Fully sealed anti-pollution mask | |
| CN204245207U (en) | A kind of medical mask | |
| TW201811396A (en) | Face mask having embedded nose pad for preventing the nose portion of the mask from leaking and the glasses from becoming foggy | |
| AU2016342192B2 (en) | Face seal for respirator mask | |
| CN111135498A (en) | Protective mask | |
| CN212325458U (en) | Full face mask | |
| CN217592083U (en) | Thermoplastic nose bridge strip N95 protective face mask | |
| CN204070653U (en) | A kind of face guard mask | |
| CN212814394U (en) | Face mask | |
| CN205866055U (en) | Antifog haze face guard with adjustable angle | |
| KR20210132367A (en) | Mask with seal structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20161010 |