EP0303090B1 - Joint d'étanchéité pour masques à gaz - Google Patents
Joint d'étanchéité pour masques à gaz Download PDFInfo
- Publication number
- EP0303090B1 EP0303090B1 EP19880111946 EP88111946A EP0303090B1 EP 0303090 B1 EP0303090 B1 EP 0303090B1 EP 19880111946 EP19880111946 EP 19880111946 EP 88111946 A EP88111946 A EP 88111946A EP 0303090 B1 EP0303090 B1 EP 0303090B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- face
- face seal
- shield
- annular
- seal
- 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.)
- Expired
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
Definitions
- the present invention refers to a face seal for protective masks.
- a face seal comprising the features defined in the first part of Claim 1 is disclosed in US-A-3 545 436.
- the protective masks at present in use comprise a face-shield which acts both as support of the ocular surface and of the filter with which the mask is provided and as a seal on the user's face.
- the face-shield is made by a single piece of rubber which is sharpened at the edge in order to be particularly flexible and soft to adhere hermetically to the face with as much comfort as possible, acting as a seal.
- the rubber of the face-shield is on the contrary thick and presents a limited flexibility so that it supports rigidly the filter(s) and the ocular surface of the mask.
- the object of the present invention is to provide a face seal associable to a face-shield, structured in whatsoever way, for protective masks, able to avoid the above mentioned drawbacks, namely to give the necessary tightness without weariness or inflammation of the circumferential portion of the face with which it interacts; said face seal is not affected by the deformations of the face-shield of the mask caused by the weight of the filter(s) and of the ocular surface.
- Another object of the present invention is to allow many people to use the same mask reducing the number of the sizes necessary to satisfy a population of persons.
- the face seal presents an annular development which allows it to anchor to an edge 2 of a face-shield 3 for instance of rigid type.
- the face seal 1 comprises fitting means cooperating with the edge 2 and tightness means operating between said edge 2 and the user's face (not shown).
- the tightness means of the face seal comprise a bellows 4 in which a first 5 and a second 6 annular foil are reciprocally hinged along an annular edge 7 so that they form between themselves an angle "alpha" with concavity towards the interior of the face-shield 3.
- the second annular foil 6 extends itself to form a chin-latch by the lower part of the face-shield.
- the means for the fit of the face seal 1 to the edge 2 of the face-shield 3 comprise a couple of annular flaps (internal 10 and external 11) joined together to form a U-shaped structure fitted on the edge 2 of the face-shield 3.
- the external flap 11 is pressed against the edge 2 by a metallic hooping 12 made, according to the requirements, even by many pieces and cooperating also with a step 13 associated to said edge 2.
- the face seal 1 can be fitted, with all the related advantages, also to a soft face-shield with the sole condition that the edge 2 is rigid and therefore independent from the means which fit it to the face-shield 3.
- the second annular foil 6 comes in contact with the user's face (not shown) and rotates elastically around the annular edge approaching the first foil 5.
- the concave angle "alpha" between said foils reduces itself till the elastic force generated by the face seal 1 balances the elastic force produced by the means of fit of the mask to the user's head (not shown); said means are usually formed by elastic belts connected directly to the face-shield 3 of the mask.
- the connecting baffle 8 is present and cooperates to balance said force by its deformation.
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Claims (3)
- Joint d'étanchéité facial pour des masques de protection munis d'un écran de protection facial, comprenant des rebords annulaires (10, 11) pouvant être fixés sur un bord annulaire (2) de l'écran de protection facial (3) et relié à des première et seconde ailes (5 et 6 respectivement) articulées l'une sur l'autre le long d'un bord annulaire (7) du joint d'étanchéité facial (1) de manière à former un agencement de soufflet, dans lequel lesdites ailes (5, 6) forment entre elles un angle aigu (α) et la seconde feuille (6) s'étend dans la partie inférieure du joint d'étanchéité facial (1) de manière à former une mentonnière (9), caractérisé en ce que le bord annulaire (7) du joint d'étanchéité facial (1) est disposé sur le côté de ce joint d'étanchéité facial (1) qui se trouve à l'opposé de l'écran de protection facial (3) et l'angle aigu (α) s'ouvre en direction de l'intérieur de l'écran de protection facial (3), grâce à quoi la seconde aile (6) s'étend depuis le bord annulaire (7) en direction de l'intérieur de l'écran de protection facial (3).
- Joint d'étanchéité facial selon la revendication 1, caractérisé en ce que l'angle aigu (α) a une valeur sensiblement constante sur l'ensemble du bord annulaire (7) du joint d'étanchéité facial (1).
- Joint d'étanchéité facial selon la revendication 1 ou 2, caractérisé en ce qu'entre les rebords (10, 11) et la première feuille annulaire (5) est disposée une paroi de raccordement (8) ayant la plus grande largeur à la partie supérieure du joint d'étanchéité facial (1) et une largeur diminuant progressivement jusqu'à une valeur nulle dans les parties médianes et inférieures du joint d'étanchéité facial (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2982/87 | 1987-08-04 | ||
CH298287A CH671702A5 (fr) | 1987-08-04 | 1987-08-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0303090A1 EP0303090A1 (fr) | 1989-02-15 |
EP0303090B1 true EP0303090B1 (fr) | 1992-04-22 |
Family
ID=4245999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19880111946 Expired EP0303090B1 (fr) | 1987-08-04 | 1988-07-25 | Joint d'étanchéité pour masques à gaz |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0303090B1 (fr) |
CH (1) | CH671702A5 (fr) |
DE (1) | DE3870351D1 (fr) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6513526B2 (en) | 1996-07-26 | 2003-02-04 | Resmed Limited | Full-face mask and mask cushion therefor |
US6581602B2 (en) | 1996-07-26 | 2003-06-24 | Resmed Limited | Nasal mask and mask cushion therefor |
WO2004022146A1 (fr) * | 2002-09-06 | 2004-03-18 | Resmed Limited | Coussinet pour ensemble masque respiratoire |
US6772760B2 (en) | 2000-06-22 | 2004-08-10 | Resmed Limited | Mask with gusset |
USD498529S1 (en) | 1996-07-26 | 2004-11-16 | Resmed Limited | Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP) |
US7827990B1 (en) | 2000-02-25 | 2010-11-09 | Map Medizin-Technologie Gmbh | Sealing lip device for a respiratory mask, respiratory mask and a method and a mould for producing the same |
US7942148B2 (en) | 2003-12-31 | 2011-05-17 | Resmed Limited | Compact oronasal patient interface |
US8291906B2 (en) | 2008-06-04 | 2012-10-23 | Resmed Limited | Patient interface systems |
US8297285B2 (en) | 2006-07-28 | 2012-10-30 | Resmed Limited | Delivery of respiratory therapy |
US8353294B2 (en) | 2004-06-16 | 2013-01-15 | Resmed Limited | Respiratory mask assembly |
US8371301B2 (en) | 2000-10-19 | 2013-02-12 | Resmed R&D Germany Gmbh | Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas |
US8402972B2 (en) | 2002-01-17 | 2013-03-26 | Resmed R&D Germany Gmbh | Breathing mask arrangement and a forehead support device for same |
US8479738B2 (en) | 2001-10-22 | 2013-07-09 | Resmed R&D Germany Gmbh | Breathing mask arrangement as well as an application device and a forehead support device for same |
US8485192B2 (en) | 2005-01-12 | 2013-07-16 | Resmed Limited | Cushion for patient interface |
US8517023B2 (en) | 2007-01-30 | 2013-08-27 | Resmed Limited | Mask system with interchangeable headgear connectors |
US8522784B2 (en) | 2008-03-04 | 2013-09-03 | Resmed Limited | Mask system |
US8807135B2 (en) | 2004-06-03 | 2014-08-19 | Resmed Limited | Cushion for a patient interface |
US8869797B2 (en) | 2007-04-19 | 2014-10-28 | Resmed Limited | Cushion and cushion to frame assembly mechanism for patient interface |
US8869798B2 (en) | 2008-09-12 | 2014-10-28 | Resmed Limited | Foam-based interfacing structure method and apparatus |
US8875710B2 (en) | 2001-10-22 | 2014-11-04 | Resmed R&D Germany Gmbh | Application device for a breathing mask arrangement |
US8905031B2 (en) | 2008-06-04 | 2014-12-09 | Resmed Limited | Patient interface systems |
US8944061B2 (en) | 2005-10-14 | 2015-02-03 | Resmed Limited | Cushion to frame assembly mechanism |
US9072853B2 (en) | 2001-09-07 | 2015-07-07 | Resmed Limited | Forehead pad for respiratory mask |
US9162034B2 (en) | 2006-07-28 | 2015-10-20 | Resmed Limited | Delivery of respiratory therapy |
US9381316B2 (en) | 2005-10-25 | 2016-07-05 | Resmed Limited | Interchangeable mask assembly |
US9480809B2 (en) | 2007-07-30 | 2016-11-01 | Resmed Limited | Patient interface |
US9987450B2 (en) | 2008-03-04 | 2018-06-05 | Resmed Limited | Interface including a foam cushioning element |
USD823454S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
USD823455S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
USD824020S1 (en) | 2017-02-23 | 2018-07-24 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
US10166357B2 (en) | 2006-12-15 | 2019-01-01 | Resmed Limited | Delivery of respiratory therapy with nasal interface |
US10220171B2 (en) | 2011-04-15 | 2019-03-05 | Fisher & Paykel Healthcare Limited | Interface comprising a rolling nasal bridge portion |
US10307554B2 (en) | 2002-11-06 | 2019-06-04 | Resmed Limited | Mask and components thereof |
US10518054B2 (en) | 2014-08-25 | 2019-12-31 | Fisher & Paykel Healthcare Limited | Respiratory mask and related portions, components or sub-assemblies |
US11559647B2 (en) | 2011-04-15 | 2023-01-24 | Fisher & Paykel Healthcare Limited | Interface comprising a nasal sealing portion |
US11833277B2 (en) | 2008-03-04 | 2023-12-05 | ResMed Pty Ltd | Mask system with snap-fit shroud |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5050594A (en) * | 1990-10-15 | 1991-09-24 | Babb Lynn D | Adjustable respirator mask apparatus |
IT1289907B1 (it) | 1997-01-16 | 1998-10-19 | Guido Gamberini | Maschera di protezione in particolare per uso subacqueo |
FR2812819B1 (fr) * | 2000-08-10 | 2003-09-26 | Robert Schegerin | Systeme d'attache et de reglage de la position d'un masque respiratoire |
US6626178B2 (en) * | 2001-01-12 | 2003-09-30 | Kirby Morgan Dive Systems, Inc. | Full face mask with face seal and removable adaptors allowing full access to separate spaces |
NZ589953A (en) | 2005-01-12 | 2012-07-27 | Resmed Ltd | Respiratory mask with gusseted cushions |
EP2259827B1 (fr) | 2008-03-04 | 2019-10-30 | ResMed Pty Ltd | Masque respiratoire en mousse |
EP2213324B1 (fr) | 2009-01-30 | 2016-07-27 | ResMed R&D Germany GmbH | Structure d'interface de patients et procédé/outil de fabrication associé |
US8955516B2 (en) * | 2009-04-08 | 2015-02-17 | Scott Technologies, Inc. | Face seals for respirators and method of manufacturing respirators |
US9950130B2 (en) | 2012-09-04 | 2018-04-24 | Fisher & Paykel Healthcare Limited | Valsalva mask |
EP3950033A1 (fr) | 2015-03-04 | 2022-02-09 | Fisher & Paykel Healthcare Limited | Casque à système de masque |
USD882066S1 (en) | 2016-05-13 | 2020-04-21 | Fisher & Paykel Healthcare Limited | Frame for a breathing mask |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3545436A (en) * | 1967-07-21 | 1970-12-08 | Automatic Sprinkler Corp | Face seal |
FR2178293A5 (fr) * | 1972-03-27 | 1973-11-09 | Fernez Et Cie Ets | |
US4069516A (en) * | 1976-07-21 | 1978-01-24 | A-T-O Inc. | Breathing face mask |
DD131719A1 (de) * | 1977-05-06 | 1978-07-19 | Steffen Zemelka | Atemschutzmaske |
-
1987
- 1987-08-04 CH CH298287A patent/CH671702A5/it not_active IP Right Cessation
-
1988
- 1988-07-25 DE DE8888111946T patent/DE3870351D1/de not_active Expired - Fee Related
- 1988-07-25 EP EP19880111946 patent/EP0303090B1/fr not_active Expired
Cited By (125)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7950392B2 (en) | 1996-07-26 | 2011-05-31 | Resmed Limited | Cushion and mask therefor |
US6581602B2 (en) | 1996-07-26 | 2003-06-24 | Resmed Limited | Nasal mask and mask cushion therefor |
US6634358B2 (en) | 1996-07-26 | 2003-10-21 | Resmed Limited | Nasal mask cushion assembly |
US6701927B2 (en) | 1996-07-26 | 2004-03-09 | Resmed Limited | Full-face mask and mask cushion therefor |
US6513526B2 (en) | 1996-07-26 | 2003-02-04 | Resmed Limited | Full-face mask and mask cushion therefor |
US9463295B2 (en) | 1996-07-26 | 2016-10-11 | Resmed Limited | Mask and mask cushion therefor |
USD498529S1 (en) | 1996-07-26 | 2004-11-16 | Resmed Limited | Portion of a cushion for use with a mask assembly in the application of continuous positive airway pressure (CPAP) |
US9421339B2 (en) | 1996-07-26 | 2016-08-23 | Resmed Limited | Patient interface |
US8636006B2 (en) | 1996-07-26 | 2014-01-28 | Resmed Limited | Mask |
US8813748B2 (en) | 1996-07-26 | 2014-08-26 | Resmed Limited | Full-face mask and mask cushion therefor |
US8522783B2 (en) | 1996-07-26 | 2013-09-03 | Resmed Limited | Cushion and mask therefor |
US8056561B2 (en) | 1996-07-26 | 2011-11-15 | Resmed Limited | Full-face mask and mask cushion therefor |
US7827990B1 (en) | 2000-02-25 | 2010-11-09 | Map Medizin-Technologie Gmbh | Sealing lip device for a respiratory mask, respiratory mask and a method and a mould for producing the same |
US9242062B2 (en) | 2000-02-25 | 2016-01-26 | Resmed R&D Germany Gmbh | Breathing mask and a sealing lip device for a breathing mask |
US8820327B2 (en) | 2000-02-25 | 2014-09-02 | Resmed R&D Germany Gmbh | Sealing lip device for a breathing mask, a breathing mask and a method and a mold for producing same |
US8931484B2 (en) | 2000-02-25 | 2015-01-13 | Resmed R&D Germany Gmbh | Sealing lip device for a respiratory mask, respiratory mask and a method and mould for producing the same |
US7107989B2 (en) | 2000-06-22 | 2006-09-19 | Resmed Limited | Mask with gusset |
US6986352B2 (en) | 2000-06-22 | 2006-01-17 | Resmed Limited | Mask with gusset |
US6772760B2 (en) | 2000-06-22 | 2004-08-10 | Resmed Limited | Mask with gusset |
US9522246B2 (en) | 2000-06-22 | 2016-12-20 | Resmed Limited | Mask with gusset |
US8978653B2 (en) | 2000-06-22 | 2015-03-17 | Resmed Limited | Mask with gusset |
US8746250B2 (en) | 2000-10-19 | 2014-06-10 | Resmed R&D Germany Gmbh | Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas |
US8371301B2 (en) | 2000-10-19 | 2013-02-12 | Resmed R&D Germany Gmbh | Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas |
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US10596342B2 (en) | 2000-10-19 | 2020-03-24 | Resmed R&D Germany Gmbh | Breathing mask for feeding a breathing gas to a mask user and discharge device for discharging breathing gas |
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US9072853B2 (en) | 2001-09-07 | 2015-07-07 | Resmed Limited | Forehead pad for respiratory mask |
US7523754B2 (en) | 2001-09-07 | 2009-04-28 | Resmed Limited | Cushion for a respiratory mask assembly |
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US9144656B2 (en) | 2001-10-22 | 2015-09-29 | Resmed R&D Germany Gmbh | Breathing mask arrangement as well as an application device and a forehead support device for same |
US8875710B2 (en) | 2001-10-22 | 2014-11-04 | Resmed R&D Germany Gmbh | Application device for a breathing mask arrangement |
US10058671B2 (en) | 2001-10-22 | 2018-08-28 | Resmed R&D Germany Gmbh | Application device for a breathing mask arrangement |
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US9259549B2 (en) | 2002-01-17 | 2016-02-16 | Resmed R&D Germany Gmbh | Breathing mask arrangement and a forehead support device for same |
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US11395893B2 (en) | 2008-03-04 | 2022-07-26 | ResMed Pty Ltd | Mask system with snap-fit shroud |
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US10265489B2 (en) | 2008-09-12 | 2019-04-23 | Resmed Limited | Foam-based interfacing structure |
US11883591B2 (en) | 2011-04-15 | 2024-01-30 | Fisher & Paykel Healthcare Limited | Interface comprising a rolling nasal bridge portion |
US11559647B2 (en) | 2011-04-15 | 2023-01-24 | Fisher & Paykel Healthcare Limited | Interface comprising a nasal sealing portion |
US11065406B2 (en) | 2011-04-15 | 2021-07-20 | Fisher & Paykel Healthcare Limited | Interface comprising a rolling nasal bridge portion |
US10220171B2 (en) | 2011-04-15 | 2019-03-05 | Fisher & Paykel Healthcare Limited | Interface comprising a rolling nasal bridge portion |
US11305084B2 (en) | 2014-08-25 | 2022-04-19 | Fisher & Paykel Healthcare Limited | Respiratory mask and related portions, components or sub-assemblies |
US10518054B2 (en) | 2014-08-25 | 2019-12-31 | Fisher & Paykel Healthcare Limited | Respiratory mask and related portions, components or sub-assemblies |
USD823455S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
USD837973S1 (en) | 2017-02-23 | 2019-01-08 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
USD823454S1 (en) | 2017-02-23 | 2018-07-17 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
USD824020S1 (en) | 2017-02-23 | 2018-07-24 | Fisher & Paykel Healthcare Limited | Cushion assembly for breathing mask assembly |
Also Published As
Publication number | Publication date |
---|---|
DE3870351D1 (de) | 1992-05-27 |
CH671702A5 (fr) | 1989-09-29 |
EP0303090A1 (fr) | 1989-02-15 |
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