CN101007200B - Respirator - Google Patents
Respirator Download PDFInfo
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- CN101007200B CN101007200B CN2007100036037A CN200710003603A CN101007200B CN 101007200 B CN101007200 B CN 101007200B CN 2007100036037 A CN2007100036037 A CN 2007100036037A CN 200710003603 A CN200710003603 A CN 200710003603A CN 101007200 B CN101007200 B CN 101007200B
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Abstract
The objective of the invention is to provide a respirator for preventing slit generating on two sides of bridge of the nose when using. The respirator 1 has a cover part 2 for covering user mouth and nose, which is characterized in dividing the cover part 2 into two sides of longitudinal centre line of left and right part, a pair of left and right band component 4 composed by synthetic resin having plastic deformability block off a determined interval along the upper end of the cover part 2 and extend laterally.
Description
Technical field
The present invention relates to a kind of mouth mask, in more detail, relate to a kind of mouth mask that produces the slit when preventing to put in the both sides of the bridge of the nose.
Background technology
Now, disposable breathing mask is widely used.But such mouth mask can produce the slit in the both sides of nose, the problem that exists pollen or room dust to get into from this slit when putting on.Disclose such mouth mask in the patent documentation 1: mask main body be attached to this main body inboard nonwoven fabric sheet cup fabric by nonwoven constitutes; In the upper end, the left and right sides of sheet cup, be equipped with by having flexible and stiff synthetic resin material with separating predetermined distance and constitute, form enhancing sheet rectangular, pair of right and left.According to the mouth mask of patent documentation 1, the mouth mask that does not produce the slit between a kind of circumference and skin at mouth mask is provided.
[patent documentation 1] TOHKEMY 2005-328937 communique
In the mouth mask of patent documentation 1, the sheet cup is made up of the nonwoven of low-elongation, is not close to nostril or mouth, can have conversation like a cork, breathe.In addition, make the enhancing sheet of upper edge portion of sheet cup crooked, thereby the upper edge portion of sheet cup is close on the face along wing of nose part.This enhancing sheet is to be made by the synthetic resin material of plastically deformable, and is different with common synthetic resin, can strain, so can keep along the shape of wing of nose part.But from the negative, owing to be the material of plastically deformable, so in case sheet is flexible or on mouth mask, apply certain external force and when being out of shape, then can't return to original shape.Like this, also has room for improvement for the shape maintains property in the mouth mask use.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of can prevent to wear the time spent produce in the both sides of the bridge of the nose slit, can improve the mouth mask of wearing with sense.The object of the invention also is to provide a kind of mouth mask that improves the shape maintains property when having applied external force.
Prerequisite of the present invention in order to address the above problem is that mouth mask has covering wearer's the mouth and the covering part of nose.
The invention is characterized under above-mentioned prerequisite: in the both sides that above-mentioned covering part are divided into the two-part longitudinal centre line in the left and right sides; Constitute by synthetic resin with plastic deformation property, the pair of right and left ribbon-shaped members separates predetermined distance along the upper end of above-mentioned covering part and towards horizontal expansion; Above-mentioned ribbon-shaped members is formed than the rectangle of the big circle of this strip material and the cladding material lower than the rigidity of above-mentioned covering part and covers, and is installed on the above-mentioned covering part.
One example of embodiment of the present invention is: above-mentioned ribbon-shaped members is covered by the cladding material lower than the rigidity of above-mentioned covering part, and is installed on the above-mentioned covering part.
Another example of embodiment of the present invention is: above-mentioned ribbon-shaped members only is fixed on the above-mentioned cladding material.
The another example of embodiment of the present invention is: above-mentioned ribbon-shaped members is sticked on the above-mentioned cladding material partly.
The another example of embodiment of the present invention is: at its length direction of above-mentioned ribbon-shaped members upper edge or the groove more than the direction of length direction quadrature is formed with.
One example of another embodiment of the present invention is: above-mentioned covering part is formed by fabric nonwoven cloth, and above-mentioned cladding material is formed by fabric nonwoven cloth or resin molding.
One example of another embodiment of the present invention is: above-mentioned ribbon-shaped members is installed in the outside of above-mentioned mouth mask.In addition, the said mouth mask outside is meant and contact with wearer's the skin opposition side of a side of mouth mask among the application, is exposed to the side in the outside air.And the contacted side of mouth mask and wearer's skin is called skin side.
According to the present invention, can provide a kind of can prevent to wear the time spent produce in the both sides of the bridge of the nose slit, can improve the mouth mask of wearing with sense.And, a kind of mouth mask that improves the shape maintains property when being applied in external force can also be provided.
Description of drawings
Fig. 1 is the stereogram of mouth mask.
Fig. 2 (a)～(d) is the cutaway view of installation constitution of the ribbon-shaped members 4 of expression embodiment, comparative example.
Fig. 3 (a) and (b) are the sketch mapes that are used to explain the assay method of shape maintains property.
Fig. 4 (a) and (b) are figure of example of the installation constitution of expression ribbon-shaped members.
Fig. 5 (a)～(f) is the figure of example of the shape of expression ribbon-shaped members.
The specific embodiment
With reference to accompanying drawing, mouth mask of the present invention is described.
Fig. 1 is the stereogram of mouth mask 1 of the present invention.Mouth mask 1 has covering wearer's the mouth and the covering part 2 of nose, is to wear cup-shaped three-dimensional mask of time spent.Covering part 2 is that the sheet element 2a of pair of right and left, 2a are engaged and form, and is formed with trip edge 2b at this junction surface.This trip edge 2b extends along covering part 2 being divided into the two-part longitudinal centre line in the left and right sides.In addition, in the both sides of the trip edge 2b of covering part 2 upper end pair of right and left ribbon-shaped members 4 is installed, this pair of right and left ribbon-shaped members 4 is covered by cladding material 5, and separates predetermined distance, and along the upper end of covering part 2 towards horizontal expansion.And, be provided with hangers portion 3 in the left and right sides of covering part 2.Wearing masks 1 o'clock, with hangers portion 3 hang on two ears and by covering part 2 with nose, mouthful cover, then press...with one's finger and press the ribbon-shaped members 4 of pair of right and left and make it plastic deformation, cling to face from it from bridge of the nose side always.Can prevent thus to produce the slit in the both sides of the bridge of the nose.
The covering part 2 of mouth mask 1 is to use thermoplastic synthetic fiber's nonwoven to form.The skin sense of touch of fabric nonwoven cloth is good, and wearing with sense of mouth mask 1 is comfortable, so more satisfactory.It is the fabric nonwoven cloth of 130～280mm that covering part 2 can suitably be used the rigidity of being measured by cantilever method (JIS L1096).If lower than this rigid scope, then the shape of mouth mask can't keep; Otherwise, if higher, then can become the sense of touch as plastic sheet than this rigid scope, diminish and wear with sense.
As shown in Figure 1, cladding material 5 forms the rectangle than ribbon-shaped members 4 big circles.Cladding material 5 uses thermoplastic synthetic fiber nonwoven or the resin molding lower than covering part 2 rigidity, preferably uses nonwoven or the resin molding chosen as the scope below the 150mm from the rigidity of being measured by above-mentioned cantilever method.Because wearing with sense of fabric nonwoven cloth is good as above-mentioned, so be fit to ribbon-shaped members 4 is installed in a side of leaning on wearer's skin of mouth mask 1.Owing to the gas permeability of the cladding material 5 that is made up of resin molding is low,, glasses are made smudgy thereby can prevent to contain wetly expiration through it being installed in the left and right sides of the upper end of covering part 2.
In addition, when cladding material 5 is fixed on covering part 2, can use the well-known method of bonding agent or the high-frequency welding etc. of hot-melt adhesive etc.
Ribbon-shaped members 4 can be used high molecular weight polymers is stretched to the strip material that plastic deformation property occurs and process.For example, can use the plastic deformation property polyethylene material of being put down in writing in No. 3582854 communique of Japan Patent.In addition, ribbon-shaped members 4 is fixed on covering part 2 or 5 last times of cladding material, can uses hot-melt adhesive.Plastic deformation property material is not to use metal such as wire and is to use synthetic resin, so the welding that not only can carry out easily being undertaken by hot-melt adhesive engages, can also suppress mouth mask 1 and gain in weight.
Ribbon-shaped members 4 in the upper end of covering part 2 to be mounted with respect to bridge of the nose mode of left and right symmetry.Preferably install, can more effectively prevent thus to produce the slit in the both sides of the bridge of the nose along the rising wood of covering part 2.Predetermined distance between the pair of right and left ribbon-shaped members 4 can be based on for example about the data of the average shape of face of Japanese and determine.
In addition, ribbon-shaped members 4 can be installed in any side in skin side, the outside.When being installed in the outside, ribbon-shaped members 4 does not contact wearer's skin, so wearing with sense of mouth mask 1 is comfortable.And, because the part of the contact bridge of the nose does not have ribbon-shaped members 4, thus can be applied to easily before use folding smooth, wearing cup-shaped three-dimensional mask of time spent.
Ribbon-shaped members 4 is mounted in the upper end of covering part 2 with being spaced from each other predetermined distance; So relative with the part of wearer's bridge of the nose is soft fabric nonwoven cloth, and what face with the part from bridge of the nose both sides to cheek is the part that being equipped with of mouth mask has the ribbon-shaped members 4 of plastic deformation property.Therefore, when the upper end of wearing time spent covering part 2 contacted with the bridge of the nose, fabric nonwoven cloth can be along the curved shape of nose and is close on the nose.And, to cheek, be that the pressure zone shape member 4 that press...withes one's finger makes it plastic deformation and the upper end of covering part 2 is close on wearer's the skin from bridge of the nose both sides.As stated, the mouth mask 1 of the application invention can be close to and prevent and produces the slit in the both sides of the bridge of the nose along the shape of face that has individual differences.And, because the part that contacts with wearer's the bridge of the nose does not have ribbon-shaped members 4, wear with feeling comfortable so can make.
And; The application inventor finds, and is lower than the rigidity of covering part 2 through the rigidity that makes cladding material 5, makes the installation constitution of following illustrated ribbon-shaped members 4; Even thereby be applied in the distortion that external force also can suppress ribbon-shaped members 4, can obtain keeping the mouth mask of regulation shape.
According to following examples, the installation constitution of oolemma shape member 4 and the relation of shape maintains property with reference to Fig. 2, Fig. 3.Fig. 2 (a)～(d) is the cutaway view of installation constitution of the ribbon-shaped members 4 of expression each embodiment and comparative example, is equivalent to the II-II cross section of Fig. 1.In addition, in Fig. 2, the below of figure is wearer's a skin side.In following explanation, a side that will be opposite with skin, the top of promptly scheming are called the outside.Fig. 3 is the sketch map that is used to explain the assay method of shape maintains property.
Embodiment 1
Shown in Fig. 2 (a), in the present embodiment, ribbon-shaped members 4 has been installed in the outside of covering part 2.In more detail, be fixed on ribbon-shaped members 4 on the cladding material 5 with hot-melt adhesive 6 after, with hot-melt adhesive 6 cladding material 5 is fixed on the covering part 2.At this moment, ribbon-shaped members 4 is installed with free state with respect to covering part 2.In addition, when being called free state in this application, be meant that two parts do not engage and separate, even a side is subjected to displacement, the opposing party can directly not be out of shape because of this displacement yet.
In the present embodiment, ribbon-shaped members 4 has been used system テ Network ノ ロ one ト (registration mark) H20000 of Mitsui Chemicals society of long 150mm, wide 3mm.And covering part 2 grades use following material to go out the sample 11 wide W=10mm shown in Fig. 3 (a), long L=170mm, ribbon-shaped members 4 and the interval D=10mm of sample end.
Covering part 2: rigidity (JIS L1096) 195mm, weight per unit area 60g/m
2The hot blast fabric nonwoven cloth;
Cladding material 5: rigidity 70mm, weight per unit area 32g/m
2The sticking fiber type nonwoven of point;
Hot-melt adhesive: the SEBS (styrene-ethylene 1-butylene styrene copolymer) with National Starch&Chemical society system is the hot-melt adhesive of matrix material.
The following embodiment 2,3 and even material, the specimen shape of comparative example 1 are identical.
Shown in Fig. 2 (b), in the present embodiment, produce such sample: cladding material 5 is fixed on the skin side of covering part 2 by hot-melt adhesive 6, and ribbon-shaped members 4 is loaded between the two and is free state with respect to covering part 2 and cladding material 5.
Shown in Fig. 2 (c), in the present embodiment, produce such sample: cladding material 5 is fixed on the skin side of covering part 2 by hot-melt adhesive 6, and ribbon-shaped members 4 is fixed on cladding material 5 and is free state with respect to covering part 2.
Comparative example 1
Shown in Fig. 2 (d), in this comparative example, produce such sample: cladding material 5 is fixed on the outside of covering part 2 by hot-melt adhesive 6, and ribbon-shaped members 4 is fixed on covering part 2 and is free state with respect to cladding material 5.
Comparative example 2
Only with the ribbon-shaped members 4 of above-mentioned size as comparative example 2.
The assay method of shape maintains property then, is described.Such as Fig. 3 (b) the signal; On two pillars 10 pair of right and left, that be spaced apart 89mm with mode of left and right symmetry roughly, make skin side set up sample 11 down; Then; Weight 13 in the central authorities of sample 11 through the cylinder 12 suspension 600g of diameter 1cm comes imposed load, measures shape maintains property thus.
Shape maintains property is to estimate like this: after the load that loaded for 3 seconds on the sample 11, will hammer 13 into shape and take off, and measure the central authorities of sample 11 and the distance 15 of datum level 14 immediately.In addition, make mensuration frequency n=10 of sample 11.In this evaluation method, on the sample 11 of linear state, applied the deflection after the load owing to measured, so measured value is more little, it is good more then to represent to have applied the characteristic that still can keep shape after the external force.Measured value is when 7mm is following, and it is good and note is done " zero " to be evaluated as shape maintains property; When measured value surpassed 7mm, it was bad and note is done " * " to be evaluated as shape maintains property.Mensuration result is as shown in table 1.Measured value remembers that when 7mm is following the reason of doing " zero " is, if in this number range, then the distance around covering part 2 and wearer's the bridge of the nose, be the slit be when not having ribbon-shaped members 4 below 30%.
[table 1]
| ? | Embodiment 1 | |
|
Comparative example 1 | Comparative example 2 (only ribbon-shaped members) |
| The configuration of ribbon-shaped members | The outside | Skin side | Skin side | The outside | - |
| With engaging of covering part | Do not have | Do not have | Do not have | Have | Do not have |
| With engaging of cladding material | Have | Do not have | Have | Do not have | Do not have |
| Covering part rigidity (mm) | 195 | 195 | 195 | 195 | - |
| Cladding material rigidity (mm) | 70 | 70 | 70 | 70 | - |
| Shape maintains property (mm) | 6.2 | 6.8 | 7.0 | 7.5 | 5.0 |
| Judge | ○ | ○ | ○ | × | - |
Can know that with comparative example 1 when the covering part 2 that ribbon-shaped members 4 and rigidity is high engaged, shape maintains property was bad from embodiment 1～3; On the other hand, when the cladding material 5 that ribbon-shaped members 4 and rigidity is low engages, and ribbon-shaped members 4 is good with respect to covering part 2, shape maintains property when cladding material 5 is free state.And the configuration of ribbon-shaped members 4, the influence that whether engages with cladding material 5 are less.And, can know with comparative example 2 that from embodiment 1～3 because the existence of covering part 2, cladding material 5, the shape maintains property of ribbon-shaped members 4 is lower than the shape maintains property when having only ribbon-shaped members 4 individualisms.This can explain; The shape maintains property of ribbon-shaped members 4 receives the influence of covering part 2 and cladding material 5; The lower nonwoven of rigidity when being applied in external force, himself easy deformation and little to the influence of ribbon-shaped members 4, but after ribbon-shaped members 4 lining caps 2 cover with cladding material 5; The influence that can't avoid covering part 2 and cladding material 5 to give is so compare shape maintains property variation during with ribbon-shaped members 4 individualisms.
The above results shows, if uses cladding material 5 to cover these ribbon-shaped members 4 and make ribbon-shaped members 4 with respect to covering part 2 as free state ribbon-shaped members 4 is installed on the covering part 2, even also can obtain good shape maintains property when being applied in external force.Promptly; Through becoming the structure that is installed in covering part 2 after being fixed on 4 of ribbon-shaped members on the cladding material 5; Or become with ribbon-shaped members 4 to be the mode of free state this installation constitution between the two of packing into respect to cladding material 5 and covering part 2, can to obtain good shape maintains property.Thus, can prevent effectively that the both sides at the bridge of the nose produce the slit when mouth mask 1 has been applied external force.
Then, based on embodiment 4 and 5 with comparative example 3, the example of the stiff assembly that changes covering part 2 and cladding material 5 be described.
Use rigidity except covering part 2 and use the fabric nonwoven cloth of rigidity as 100mm as fabric nonwoven cloth, the cladding material 5 of 150mm, all the other make sample with embodiment 1 identically.
Use rigidity except covering part 2 and use the fabric nonwoven cloth of rigidity as 150mm as fabric nonwoven cloth, the cladding material 5 of 200mm, all the other make sample with embodiment 1 identically.
Comparative example 3
Use rigidity except covering part 2 and use the fabric nonwoven cloth of rigidity as 150mm as fabric nonwoven cloth, the cladding material 5 of 100mm, all the other make sample with embodiment 1 identically.
With above-mentioned method embodiment 4 and 5, comparative example 3 are measured shape maintains property.The result is as shown in table 2.
[table 2]
| ? | |
|
Comparative example 3 |
| The configuration of ribbon-shaped members | The outside | The outside | The outside |
| With engaging of covering part | Do not have | Do not have | Do not have |
| With engaging of cladding material | Have | Have | Have |
| Covering part rigidity (mm) | 150 | 200 | 100 |
| Cladding material rigidity (mm) | 100 | 150 | 150 |
| Shape maintains property (mm) | 6.6 | 6.9 | 7.1 |
| Judge | ○ | ○ | × |
Shown in the embodiment 4 and 5 of table 2, when the rigidity of cladding material 5 is hanged down than the rigidity of covering part 2, can obtain good shape maintains property.On the other hand, shown in comparative example 3, when the rigidity of cladding material 5 was higher than covering part 2, shape maintains property was bad.Can know by above result, if make the rigidity of cladding material 5 be lower than the rigidity of covering part 2, even also can obtain good shape maintains property when then being applied in external force.
More than, mouth mask 1 of the present invention has been described, but the present invention is not limited to these embodiment, can implement multiple change.
For example, when ribbon-shaped members 4 is fixed in cladding material 5, if make ribbon-shaped members 4 is fixed on the installation constitution on the cladding material 5 partly, the influence that ribbon-shaped members 4 receives from cladding material 5 can become littler, can obtain better shape maintains property.For example; Shown in Fig. 4 (a); Can make by hot-melt adhesive 6 ribbon-shaped members 4 is sticked on the installation constitution on the cladding material 5 discontinuously, or shown in Fig. 4 (b), can make by hot-melt adhesive 6 position of ribbon-shaped members 4 is sticked on the installation constitution on the cladding material 5.As stated, because cladding material 5 forms the rectangle than ribbon-shaped members 4 big circles, so after being fixed on ribbon-shaped members 4 on the cladding material 5, can easily be installed to the operation on the covering part 2.
Perhaps, also can ribbon-shaped members 4 be made the shape shown in Fig. 5 (a)～(f).Fig. 5 (a) is illustrated in the example that is provided with the ribbon-shaped members 4 of multiple tracks groove with the direction of the length direction quadrature of ribbon-shaped members 4.The ribbon-shaped members 4 of this shape because its slot part is crooked easily, so can make ribbon-shaped members 4 carry out plastic deformation along wearer's skin with being more prone to.
Shown in Fig. 5 (b)～(d); If make the shape that is provided with groove along the length direction of ribbon-shaped members 4, with the groove center, easy deformation on the length direction of ribbon-shaped members 4 not only; Also easy deformation on width is so can verily copy the shape around the bridge of the nose to carry out plastic deformation.
In addition; Shown in Fig. 5 (e), (f); When using many ribbon-shaped members 4, the flexibility of the nonwoven between the ribbon-shaped members 4 can be not impaired, so; Make ribbon-shaped members 4 carry out plastic deformation through setting up ribbon-shaped members 4 in the larger context, can more effectively prevent between the ribbon-shaped members 4 and the bridge of the nose, to produce the slit along wearer's skin.In this case, shown in Fig. 5 (f), also can make up the many different ribbon-shaped members 4 of thickness and use.
In addition, also can hangers portion 3 be set and only make covering part 2, be installed on the face, also can substitute hangers portion 3 and use belt with adhesive.In addition, also go for making or the flat fabric mouth mask of other materials system by gauze.
Claims (6)
1. mouth mask; Have covering wearer's the mouth and the covering part of nose; It is characterized in that; In the both sides that above-mentioned covering part are divided into the two-part longitudinal centre line in the left and right sides; The pair of right and left ribbon-shaped members that is made up of the synthetic resin with plastic deformation property separates predetermined distance along the upper end of above-mentioned covering part and towards horizontal expansion, above-mentioned ribbon-shaped members is formed than the rectangle of the big circle of this strip material and the cladding material lower than the rigidity of above-mentioned covering part and covers, and is installed on the above-mentioned covering part.
2. mouth mask according to claim 1 is characterized in that above-mentioned ribbon-shaped members only is fixed on the above-mentioned cladding material.
3. mouth mask according to claim 2 is characterized in that, above-mentioned ribbon-shaped members is fixed on the above-mentioned cladding material partly.
4. according to claim 2 or 3 described mouth masks, it is characterized in that, at its length direction of above-mentioned ribbon-shaped members upper edge or the groove more than the direction of length direction quadrature is formed with.
5. according to each described mouth mask in the claim 1～3; It is characterized in that; Above-mentioned covering part is formed by fabric nonwoven cloth, and above-mentioned cladding material is formed by resin molding, and above-mentioned cladding material and above-mentioned ribbon-shaped members are installed in the surface of an opposite side with skin side of above-mentioned covering part.
6. mouth mask according to claim 4 is characterized in that above-mentioned covering part is formed by fabric nonwoven cloth, and above-mentioned cladding material is formed by resin molding, and above-mentioned cladding material and above-mentioned ribbon-shaped members are installed in the surface of an opposite side with skin side of above-mentioned covering part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-015651 | 2006-01-24 | ||
| JP2006015651A JP4916727B2 (en) | 2006-01-24 | 2006-01-24 | mask |
| JP2006015651 | 2006-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101007200A CN101007200A (en) | 2007-08-01 |
| CN101007200B true CN101007200B (en) | 2012-01-25 |
Family
ID=38450840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100036037A Active CN101007200B (en) | 2006-01-24 | 2007-01-16 | Respirator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4916727B2 (en) |
| CN (1) | CN101007200B (en) |
| TW (1) | TW200727934A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5134913B2 (en) * | 2007-05-25 | 2013-01-30 | 株式会社スヴェンソン | Wig base and wig |
| GB2509641B (en) * | 2009-05-12 | 2014-08-20 | Fisher & Paykel Healthcare Ltd | Patient interface and aspects thereof |
| JP5696047B2 (en) * | 2009-08-07 | 2015-04-08 | ユニ・チャーム株式会社 | mask |
| JP6062679B2 (en) * | 2011-07-31 | 2017-01-18 | 一子 小林 | Cushion pad for mask |
| CN103126129A (en) * | 2011-12-02 | 2013-06-05 | 震峰强奈米科技有限公司 | Three-dimensional mask |
| JP6188406B2 (en) * | 2013-05-02 | 2017-08-30 | ユニ・チャーム株式会社 | Disposable mask |
| JP6829551B2 (en) * | 2016-04-28 | 2021-02-10 | ユニ・チャーム株式会社 | mask |
| JP7401893B2 (en) * | 2019-09-30 | 2023-12-20 | シーワ株式会社 | 3D mask |
| CN218685783U (en) * | 2020-05-15 | 2023-03-24 | 艾多美股份有限公司 | Gauze mask |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6116236A (en) * | 1997-11-12 | 2000-09-12 | Wyss; Gerard J. | Respirator |
| CN2609588Y (en) * | 2003-05-12 | 2004-04-07 | 李江毅 | Nasal clip on gauze mask |
| CN2613279Y (en) * | 2003-05-23 | 2004-04-28 | 天津市塑料研究所 | Seal nose clamp for mask |
| CN1161046C (en) * | 1999-02-17 | 2004-08-11 | 3M创新有限公司 | Flat-folded personal respiratory protection devices and process for preparing same |
| JP2005328937A (en) * | 2004-05-19 | 2005-12-02 | Yokoi:Kk | Three-dimensional mask |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0345995U (en) * | 1989-09-08 | 1991-04-26 |
-
2006
- 2006-01-24 JP JP2006015651A patent/JP4916727B2/en active Active
- 2006-12-04 TW TW095145041A patent/TW200727934A/en unknown
-
2007
- 2007-01-16 CN CN2007100036037A patent/CN101007200B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6116236A (en) * | 1997-11-12 | 2000-09-12 | Wyss; Gerard J. | Respirator |
| CN1161046C (en) * | 1999-02-17 | 2004-08-11 | 3M创新有限公司 | Flat-folded personal respiratory protection devices and process for preparing same |
| CN2609588Y (en) * | 2003-05-12 | 2004-04-07 | 李江毅 | Nasal clip on gauze mask |
| CN2613279Y (en) * | 2003-05-23 | 2004-04-28 | 天津市塑料研究所 | Seal nose clamp for mask |
| JP2005328937A (en) * | 2004-05-19 | 2005-12-02 | Yokoi:Kk | Three-dimensional mask |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200727934A (en) | 2007-08-01 |
| TWI325330B (en) | 2010-06-01 |
| JP4916727B2 (en) | 2012-04-18 |
| CN101007200A (en) | 2007-08-01 |
| JP2007195640A (en) | 2007-08-09 |
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