EP2589413A2 - Respirateur pliable - Google Patents
Respirateur pliable Download PDFInfo
- Publication number
- EP2589413A2 EP2589413A2 EP20120185849 EP12185849A EP2589413A2 EP 2589413 A2 EP2589413 A2 EP 2589413A2 EP 20120185849 EP20120185849 EP 20120185849 EP 12185849 A EP12185849 A EP 12185849A EP 2589413 A2 EP2589413 A2 EP 2589413A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- face
- central region
- folded member
- respirator
- foldable
- 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
- 238000001914 filtration Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000004750 melt-blown nonwoven Substances 0.000 claims description 2
- 230000000241 respiratory effect Effects 0.000 description 7
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
Images
Classifications
-
- 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
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- 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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
Definitions
- the present invention relates to a respirator, and particularly to a foldable respirator.
- Filtration respirators have been widely used to protect wearers' respiratory systems.
- filtration respirators can be classified into two types, which are cup type and fold-flat type.
- One of the advantages of fold-flat type respirators is convenience, as a wearer can carry a fold-flat type respirator by storing the respirator into a pocket. When the wearer needs to use the fold-flat type respirator, the wearer just unfolds the respirator.
- a fold-flat type respirator is more flexible than a cup type respirator, which has a rim configured in a fixed shape. As a result, when wearing a fold-flat type respirator, the fold-flat type respirator fits each particular face structure of different wearers better than a cup type respirator does.
- NIOSH certifies three levels of filter efficiency, which are 95%, 99%, and 99.97%.
- the filter efficiency of a respirator reaching a high level, if the fit of a respirator is poor, a wearer still inhales contaminants through the gap between the face and the respirator. Therefore, the fit of a respirator is as important as the filter efficiency of a respirator.
- U.S. Pat. No.6123077 of 3M Innovative Properties Company discloses a flat-folded personal respiratory protection device, which is one-piece or composed of three individual members; thus the personal respiratory protection device will be a 3d structure after being unfolded.
- the first member and the second member of the personal respiratory protection device cover nose and chin of a wearer respectively in order to fit the wearer's face tightly.
- Fig.9 and Fig.10 when a wearer opens the mouth widely, the distance from the wearer's nose to chin increases from X1 to X2.
- the personal respiratory protection device 90 has a length from top 91 to bottom 92, which is constant and is slightly longer than or equal to X1.
- the distance from the nose to the chin is X2, which is longer than X1; thus the chin will drag the personal respiratory protection device 90 and may further expose the nose, leading to the poor fit of the personal respiratory protection device 90 with the face, higher leak rate, and reduction of protection efficiency.
- T.W. Pat. No.I1321056B1 also provides a fold-flat type respirator, which is an integral whole, and the integral whole is composed of an upper portion, a central portion and a lower portion. Multiple creases arranged in a step shape are formed on the central portion. When the multiple creases are unfolded, the effective filtration area increases. However, the lack of proper supporting structure for two sides of each crease will cause the central portion to distort and collapse due to some force such as the wearer's breathing airflow. As a result, the distorted fold-flat type respirator still fits the face poorly, leading to higher leak rate and reduction of protection efficiency.
- the present invention provides a foldable respirator to mitigate or obviate the aforementioned problems.
- the main objective of the present invention is to provide a foldable respirator, particularly, a foldable respirator that is not dragged by a wearer's chin when a wearer opens the mouth widely, and therefore avoids exposing the nose.
- the foldable respirator does not distort or collapse easily due to force, and thus improves the fit of the respirator with the face, reduces leak rate and has high protection efficiency.
- the foldable respirator of the present invention comprises:
- the present invention when the wearer makes mouth movements while wearing the present invention, due to the folded member extending from the central region, the present invention will not be dragged by the chin, and the central region will not distort and collapse while the wearer is breathing, and thus the present invention has a good fit with the face, reduces leak rate and provides high protection efficiency
- a first embodiment of a foldable respirator in accordance with the present invention comprises a respirator body 10 and two bands 20.
- the respirator body 10 is made of multi-layer non-woven fabric and has a central part 11, an upper part 12, and a lower part 13.
- the central part 11 is between the upper part 12 and the lower part 13 and is connected to the upper part 12 and the lower part 13.
- the multi-layer non-woven fabric is spunbond whose basis weight ranges from 16 g/m 2 to 60 g/m 2 .
- the respirator body 10 may also have a filtration medium that is melt-blown non-woven fabric.
- the central part 11 has a central region 111 and one folded member extending from the central region 111.
- the folded member comprises an upper folded member 112 and a lower folded member 113.
- the upper folded member 112 is formed between the central region 111 and the upper part 12.
- the lower folded member 113 is formed between the central region 111 and the lower part 13.
- the central region 111 is flat and comprises an upper end 1111, a lower end 1112 and two binding areas 1113, 1113'.
- the lower end 1112 is opposite to the upper end 1111.
- Each of the two binding areas 1113, 1113' is between the upper end 1111 and lower end 1112 and the two binding areas 1113 and 1113' are opposite to each other.
- the upper folded member 112 is connected to the upper end 1111 and the lower folded member 113 is connected to the lower end 1112.
- the upper folded member 112 has a first upper face 1121, a second upper face 1122 and an upper fold 1123.
- the outward edge of the first upper face 1121 is connected to the upper end 1111 of the central region 111.
- the first upper face 1121 and the second upper face 1122 face each other.
- the outward edge of the first upper face 1121 and the outward edge of second upper face 1122 are opposite to the upper fold 1123, and the outward edge of the first upper face 1121 is parallel with the outward edge of second upper face 1122.
- the upper fold 1123 is formed between the first upper face 1121 and the second upper face 1122, and the distance from the upper fold 1123 to the outward edge of the first upper face 1121 or to the outward edge of the second upper face 1122 ranges from 3 millimeter (mm) to 60 mm.
- the first upper face 1121 has an upper left side 1124 and an upper right side 1125 opposite to the upper left side 1124.
- the second upper face 1122 has an upper left side 1124' and an upper right side 1125' opposite to the upper left side 1124'.
- the two upper left sides 1124, 1124' are overlapped and the two upper right sides 1125, 1125'are overlapped.
- the upper left side 1124 of the first upper face 1121 and the upper left side 1124' of the second upper face 1122 are joined through fusing and also the upper right side 1125 of the first upper face 1121 and the upper right side 1125' of the second upper face 1122 are joined through fusing. Furthermore, the two upper left sides 1124,1124' are bonded to the central region 111 and the upper part 12, and the two upper right sides 1125,1125' are bonded to the central region 111 and the upper part 12.
- the lower folded member 113 has a first lower face 1131, a second lower face 1132 and a lower fold 1133.
- the outward edge of the first lower face 1131 is connected to the lower end 1112 of the central region 111.
- the first lower face 1131 and the second lower face 1132 face each other.
- the outward edge of the first lower face 1131 and the outward edge of second lower face 1132 are opposite to the lower fold 1133, and the outward edge of the first lower face 1131 is parallel with the outward edge of the second lower face 1132.
- the lower fold 1133 is formed between the first lower face 1131 and the second lower face 1132 and the distance from the lower fold 1133 to the outward edge of the first lower face 1131 or to the outward edge of the second lower face 1132 ranges from 3mm to 60mm.
- the first lower face 1131 has a lower left side 1134 and a lower right side 1135 opposite to the lower left side 1134.
- the second lower face 1132 has a lower left side 1134' and a lower right side 1135' opposite to the lower left side 1134'.
- the two lower left sides 1134, 1134' are overlapped and the two lower right sides 1135, 1135'are overlapped.
- the lower left side 1134 of the first lower face 1131 and the lower left side 1134' of the second lower face 1132 are joined through fusing and also the lower right side 1135 of the first lower face 1131 and the lower right side 1135' of the second lower face 1132 are joined through fusing.
- the lower left side 1134 and the lower left side 1134' in Fig.1 are separated as to show the two lower left sides 1134, 1134' clearly.
- the two lower left sides 1134, 1134' are bonded to the central region 111 and the lower part 13, and the two lower right sides 1135, 1135' are bonded to the central region 111 and the lower part 13.
- the upper part 12 is connected to the central part 11 via the upper folded member 112 and has an upper edge 121 and a front edge 122.
- the upper edge 121 is connected to the outward edge of the second upper face 1122 and the upper edge 121 is parallel with the upper end 1111 of the central region 111.
- the front edge 122 is opposite to the upper edge 121.
- the lower part 13 is connected to the central part 11 via the lower folded member 113 and has a lower edge 131 and a bottom edge 132.
- the lower edge 131 is connected to the outward edge of the second lower face 1132 and the lower edge 131 is parallel with the lower end 1112 of the central region 111.
- the bottom edge 132 is opposite to the lower edge 131.
- the two bands 20 are elastic bands. Two ends of each band 20 bind to the two binding areas 1113, 1113' respectively, which makes the respirator a head belt type. In another embodiment of a foldable respirator in accordance with the present invention, the two ends of one band 20 binds to one of the two binding areas 1113, and the two ends of the other band 20 binds to the other binding areas 1113', which makes the respirator an ear belt type. In another embodiment, one of the two ends of one band 20 bonds to one of the two binding areas 1113, and one of the two ends of the other band 20 bonds to the other binding area 1113', and the other ends of each of the two bands 20 are connected through buckles. The method of bonding includes fastening by metal wires or ultrasonic fusing.
- the folded member has a first upper folded member, a second upper folded member and a third upper folded member.
- the first upper folded member is connected to the upper end 1111.
- the second upper folded member is connected to the first upper folded member.
- the third upper folded member is connected to the second upper folded member and to the upper edge 121.
- the outward edge of the first upper face of the first upper folded member is connected to the upper end 1111.
- the outward edge of the second upper face of the first upper folded member is connected to the outward edge of the first upper face of the second upper folded member.
- the outward edge of the second upper face of the second upper folded member is connected to the outward edge of the first upper face of the third upper folded member.
- the outward edge of the second upper face of the third upper folded member is connected to the upper edge 121.
- the folded member has a first lower folded member, a second lower folded member, and a third lower superposed member.
- the first lower folded member is connected to the lower end 1112.
- the second lower folded member is connected to the first lower folded member.
- the third lower folded member is connected to the second lower folded member and to the lower edge 131 .
- the outward edge of the first lower face of the first lower folded member is connected to the lower end 1112.
- the outward edge of the second lower face of the first lower folded member is connected to the outward edge of the first lower face of the second lower folded member.
- the outward edge of the second lower face of the second lower folded member is connected to the outward edge of the first lower face of the third lower folded member.
- the outward edge of the second lower face of the third lower folded member is connected to the lower edge 131.
- the respirator body 10 has a stiff support 14 that is made of polyester such as polyester fiber.
- the stiff support 14 is malleable and is fixed in the central region 111 by peripheral seal 15.
- the stiff support 14 supports the central region 111 and further helps the central region 111 stay in a fixed shape, preventing the central region 111 from distorting and collapsing.
- the upper left side 1124 and the upper right side 1125 of the first upper face 1121 are bonded to the central region 111, and the upper left side 1124' and the upper right side 1125' of the second upper face 1122 are bonded to the upper part 12.
- the lower left side 1134 and the lower right side 1135 of the first lower face 1131 are bonded to the central region 111, and the lower left side 1134' and the lower right side 1135' of the second lower face 1132 are bonded to the lower part 13.
- the respirator body 10 has a nose clip 17 in the upper part 12 and parallel to the front edge 122 in order to fit the nose tightly.
- the nose clip 17 is on a surface of the upper part 12 and is parallel to the front edge 122.
- the respirator body 10 has foam in the upper part 12 and the foam is parallel to the front edge 122 in order to increase the comfort and provide a good fit with the face for the wearer.
- the respirator body 10 has an exhalation valve 16 mounted thorough the middle portion of the central region 111.
- the exhalation valve 16 reduces the hot air produced by the wearer's breathing that remains in the respirator of the present invention.
- the upper folded member 112 is overlapped with the central region 111 and the upper part 12.
- the lower folded member 113 is overlapped with the central region 111 and the lower part 13.
- the upper part 12 and the lower part 13 are also overlapped with the central region 111.
- the upper part 12 is at the outermost and partially covers the central region 111, the upper edge 121 of the upper part 12 is parallel with the upper end 1111 of the central region 111, and the lower edge 131 of the lower part 13 is parallel with the lower end 1112 of the central region 111.
- the present invention when the present invention is to be used, first, the upper part 12 and the lower part 13 are expanded toward opposite directions respectively, and thus the present invention becomes a 3D structure, wherein the central part 11, the upper part 12 and the lower part 13 form a space.
- a wearer's nose and mouth are placed in the space formed by the central part 11, the upper part 12 and the lower part 13.
- the central part 11 faces the mouth, and the upper part 12 covers the wearer's nose, and the lower part 13 covers the wearer's chin.
- the nose clip 17 in the upper part 12 is used to increase the respirator's fit with the nose bridge.
- the distance from the wearer's nose to chin increases from X1 to X2, and the upper folded member 112 and the lower folded member 113 unfold due to the increase of the length, which is X2 minus X1.
- the first upper face 1121, the second upper face 1122, the upper fold 1123, the first lower face 1131, the second lower face 1132 and the lower fold 1133 are expanded, resulting in a good fit with the wearer's face, reducing leak rate and providing effective protection efficiency.
- the folded member further has an upper folded member 112 or a lower folded member 113, and as the wearer closes the mouth, the upper folded member 112 or the lower folded member 113 is folded.
- the respirator body 10 is dragged by the chin, which makes the upper folded member 112 or the lower folded member 113 unfolded, and then expands the first upper face 1121, the second upper face 1122 and the upper fold 1123, or expands the first lower face 1131, the second lower face 1132 and the lower fold 1133.
- the central part 11 is totally unfolded.
- the strength of the folded member increases, which results in maintaining a proper space between the central part 11, the upper part 12 and the lower part 13 and keeping a good fit of the respirator body 10 with the wearer's face.
Landscapes
- Health & Medical Sciences (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100140085A TW201318665A (zh) | 2011-11-03 | 2011-11-03 | 摺疊式之立體口罩 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2589413A2 true EP2589413A2 (fr) | 2013-05-08 |
EP2589413A3 EP2589413A3 (fr) | 2014-01-01 |
EP2589413B1 EP2589413B1 (fr) | 2015-07-08 |
Family
ID=46940380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12185849.2A Active EP2589413B1 (fr) | 2011-11-03 | 2012-09-25 | Respirateur pliable |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2589413B1 (fr) |
TW (1) | TW201318665A (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015031141A3 (fr) * | 2013-08-29 | 2015-07-16 | 3M Innovative Properties Company | Respirateur-masque filtrant comprenant un élément de raidissement faisant corps avec une structure-filtre |
CN105615042A (zh) * | 2014-10-27 | 2016-06-01 | 宣德医材科技股份有限公司 | 密合型口罩及其制法 |
US20170303608A1 (en) * | 2014-10-16 | 2017-10-26 | 3M Innovative Properties Company | Flat-Fold Respirator And Method Of Making Same |
WO2020127860A1 (fr) * | 2018-12-21 | 2020-06-25 | Dräger Safety AG & Co. KGaA | Demi-masque respiratoire et procédé de fabrication d'un demi-masque respiratoire |
CN111567945A (zh) * | 2020-05-28 | 2020-08-25 | 东莞理工学院 | 一种个性化3d打印口罩支架的制备方法 |
US11219786B2 (en) | 2017-11-13 | 2022-01-11 | 3M Innovative Properties Company | Inner shell and mask including same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201508114D0 (en) * | 2015-05-12 | 2015-06-24 | 3M Innovative Properties Co | Respirator tab |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6123077A (en) | 1995-03-09 | 2000-09-26 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB871661A (en) * | 1958-02-28 | 1961-06-28 | Robinson & Sons Ltd | An improved face mask |
GB9405162D0 (en) * | 1994-03-16 | 1994-04-27 | Scras | Heptapeptides |
TWI270390B (en) * | 2003-09-09 | 2007-01-11 | Lee Yong Chuol | Disposable dust protective mask |
US20080271739A1 (en) * | 2007-05-03 | 2008-11-06 | 3M Innovative Properties Company | Maintenance-free respirator that has concave portions on opposing sides of mask top section |
JP2010063675A (ja) * | 2008-09-11 | 2010-03-25 | San-M Package Co Ltd | マスク |
TWM426412U (en) * | 2011-11-03 | 2012-04-11 | San Huei United Co Ltd | Folded three-dimensional mouth mask |
-
2011
- 2011-11-03 TW TW100140085A patent/TW201318665A/zh unknown
-
2012
- 2012-09-25 EP EP12185849.2A patent/EP2589413B1/fr active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6123077A (en) | 1995-03-09 | 2000-09-26 | 3M Innovative Properties Company | Flat-folded personal respiratory protection devices and processes for preparing same |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015031141A3 (fr) * | 2013-08-29 | 2015-07-16 | 3M Innovative Properties Company | Respirateur-masque filtrant comprenant un élément de raidissement faisant corps avec une structure-filtre |
AU2014311599B2 (en) * | 2013-08-29 | 2016-07-28 | 3M Innovative Properties Company | Filtering face-piece respirator with stiffening member integral with filtering structure |
US9615612B2 (en) | 2013-08-29 | 2017-04-11 | 3M Innovative Properties Company | Filtering face-piece respirator with stiffening member integral with filtering structure |
RU2635036C2 (ru) * | 2013-08-29 | 2017-11-08 | 3М Инновейтив Пропертиз Компани | Фильтрующая лицевая респираторная маска с элементом жесткости, составляющим единое целое с фильтрующим конструктивным элементом |
US20170303608A1 (en) * | 2014-10-16 | 2017-10-26 | 3M Innovative Properties Company | Flat-Fold Respirator And Method Of Making Same |
CN105615042A (zh) * | 2014-10-27 | 2016-06-01 | 宣德医材科技股份有限公司 | 密合型口罩及其制法 |
US11219786B2 (en) | 2017-11-13 | 2022-01-11 | 3M Innovative Properties Company | Inner shell and mask including same |
WO2020127860A1 (fr) * | 2018-12-21 | 2020-06-25 | Dräger Safety AG & Co. KGaA | Demi-masque respiratoire et procédé de fabrication d'un demi-masque respiratoire |
CN113301966A (zh) * | 2018-12-21 | 2021-08-24 | 德尔格安全股份两合公司 | 呼吸半面罩和用于制造呼吸半面罩的方法 |
CN111567945A (zh) * | 2020-05-28 | 2020-08-25 | 东莞理工学院 | 一种个性化3d打印口罩支架的制备方法 |
CN111567945B (zh) * | 2020-05-28 | 2021-11-23 | 东莞理工学院 | 一种个性化3d打印口罩支架的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2589413B1 (fr) | 2015-07-08 |
TW201318665A (zh) | 2013-05-16 |
TWI454296B (fr) | 2014-10-01 |
EP2589413A3 (fr) | 2014-01-01 |
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