EP2913083A1 - Masque respiratoire protecteur et cadre de support coulissant - Google Patents

Masque respiratoire protecteur et cadre de support coulissant Download PDF

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Publication number
EP2913083A1
EP2913083A1 EP15154041.6A EP15154041A EP2913083A1 EP 2913083 A1 EP2913083 A1 EP 2913083A1 EP 15154041 A EP15154041 A EP 15154041A EP 2913083 A1 EP2913083 A1 EP 2913083A1
Authority
EP
European Patent Office
Prior art keywords
filter module
receiving recess
guide
mask body
mask according
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
Application number
EP15154041.6A
Other languages
German (de)
English (en)
Other versions
EP2913083B1 (fr
Inventor
Torben Skov
Frank Kern
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Moldex Metric AG and Co KG
Original Assignee
Moldex Metric AG and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Moldex Metric AG and Co KG filed Critical Moldex Metric AG and Co KG
Publication of EP2913083A1 publication Critical patent/EP2913083A1/fr
Application granted granted Critical
Publication of EP2913083B1 publication Critical patent/EP2913083B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • 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
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators

Definitions

  • the invention relates to a respiratory mask, with a mask body, with at least one exhalation valve and at least one inhalation valve, with at least one filter module associated with the inhalation valve and with a sliding seat device for releasably securing the filter module to the mask body having a receiving recess for at least partially receiving the filter module ,
  • Respiratory masks of the type mentioned are known from the prior art. They are used to protect a user from air pollution during breathing. By means of an over the mouth and nose of the user can be arranged mask body a closed gas space is formed for the user, which is separated from the environment. With the aid of at least one exhalation valve and at least one inhalation valve, both of which are arranged on the mask body, a gas or air exchange can then take place between the user and the environment through the mask body.
  • the inhalation valve or each inhalation valve is assigned in each case a filter module through which the inhaled air must flow, preferably before it reaches the inhalation valve.
  • the plug frame forms a receiving recess in which the filter module is completely absorbed.
  • the design of the filter module is limited to the design of the plug frame, which forms a pocket lying in front of the inhalation valve, so that it is not possible, for example, to provide filter modules of different sizes on the respirator.
  • the invention is therefore an object of the invention to provide a respirator which allows easy interchangeability of one or more filter modules and also the attachment of different types, in particular differently shaped filter modules.
  • the problem underlying the invention is achieved by a respirator with the features of claim 1.
  • the shape of the attachable to the breathing mask filter modules is no longer limited to the shape of a plug frame. Due to the fact that the means of the respiratory mask according to the invention, which are necessary for releasably fastening, interact only in sections with the respective filter module, so that the respective filter module in particular is only partially included in the receiving recess, it is achieved that the non-recorded part of the filter module outside the receiving recess can be freely designed.
  • different sized filter modules for example, with different filter effects, are releasably attached to the respirator.
  • the receiving recess is substantially cup-shaped and has two guide walls protruding into the receiving recess on two opposite side walls, the guide webs being parallel to each other, and the filter module each having at least one guide groove of the sliding seat device on two opposite side wall sections Recording each having one of the guide webs. Due to the cup-shaped design of the receiving recess, this has an at least substantially circumferential side wall and a bottom from which the side wall extends. Due to the design of the sliding seat device with the guide webs and the guide grooves, it is no longer possible to insert the filter module directly into the receiving recess.
  • the filter module is inserted into the receiving recess laterally according to the orientation of the guide webs and guide grooves. While the contour of the filter module is limited on the receiving recess facing the rear side by the guide elements and guide grooves in its shape, the front, which protrudes from the mask body, can be designed freely. This makes it possible to attach different sized filter modules to the mask body in a simple manner.
  • the guide webs and / or the guide grooves extend at least partially inclined to a bottom of the receiving recess, so that the filter module is moved during insertion in the direction of the bottom of the receiving recess, wherein in the bottom of the receiving recess, the inlet valve is arranged. It is therefore intended that the filter module during insertion is not moved parallel, but at an angle to the ground. In this case, the inclination is chosen such that the filter module is pressed against the bottom of the receiving recess in order to achieve a tight connection between the filter module and the mask body.
  • the filter module base is at least partially elastically formed in order to ensure a bias of the filter module in the receiving recess, which serves to lock the filter module.
  • the filter module has a the bottom of the receiving recess associated filter module bottom, which is arranged in the use position of the filter module at least substantially spaced from the ground to form an air chamber.
  • This air chamber is used, for example, to collect the air flowed through the filter and supply it to the inlet valve.
  • the filter module bottom has a plurality of flow openings, through which the air from the filter module can enter the air chamber. This ensures that the back pressure on inhalation through the filter module does not turn out unpleasantly high.
  • the bottom of the receiving recess has a curved surface.
  • the curved surface has the advantage that the filter module is automatically pressed at least partially against the bottom of the receiving recess during insertion.
  • it can be achieved that, despite a straight course of the guide elements uniform loading of the bottom and the filter module when pressing against each other is achieved with only a slight frictional contact between the filter module and receiving recess.
  • the filter module can be safely moved into the use position without much effort and in particular without wear.
  • At least one sealing ridge extends around the intake valve in a frame-like manner on the bottom of the receiving recess and / or on the filter module bottom in order to close the air chamber laterally, so that the purity of the filtered air is maintained.
  • the outer contour of the filter module and the contour of the receiving recess correspond to one another such that a lateral seal is formed between the side walls and the side wall sections.
  • the sealing bar has the advantage that it is clamped when moving the filter module in the use position between the filter module and the mask body, whereby a particularly secure seal is ensured.
  • the sealing web is at least partially elastically deformable to provide the aforementioned spring force and to achieve a particularly high sealing effect.
  • the sealing ridge preferably extends parallel to the outer contour of the respective receiving recess.
  • the sealing web may also have a shape that is independent of or deviating from the outer contour.
  • the sealing web may extend in a circular ring around the inlet valve.
  • the sealing web is always arranged spaced from the side walls of the respective receiving recess.
  • the annular shape of the sealing web is not circular, but for example, polygonal, for example, square or rectangular or star-shaped.
  • the filter module base only in the region of the air chamber has a plurality of flow openings, through which filtered air is passed from a filter element of the filter module in the air chamber.
  • the plurality of flow openings increase the comfort of using the respirator. Limiting the flow openings to the area of the air chamber ensures that the filter module is optimally utilized.
  • the receiving recess has a defined by the side walls and deviating from a circle contour.
  • the side walls serve in particular also to guide the filter module during insertion, so on the one hand a safe placement of the filter module to the position of use is ensured, and on the other hand, a high-quality impression when using or when replacing the filter module arises.
  • the outer contour of the filter module corresponds at least to a side facing the mask body back of the contour of the receiving recess.
  • the sliding seat device has a locking means for locking the filter module in its position of use.
  • the locking means secure additionally or alternatively to the possibly provided, a spring force providing sealing ridge, the filter module in its use position. Due to the design as latching means no switch or lever for releasing the filter module must be operated, which facilitates the replacement of the filter module.
  • the latching means comprise at least one locking projection formed on one of the guide elements and a corresponding detent recess formed on one of the guide grooves and / or a detent recess formed on at least one of the guide elements and a corresponding detent projection formed on one of the guide grooves.
  • latching projection and locking recess act to lock the filter module together.
  • act the locking means such that a sliding movement along the guide elements is prevented.
  • the latching projection thus protrudes perpendicular to the sliding direction of the guide member or into the guide groove in order to prevent displacement of the filter module. Only when a sufficient force is applied, the latching projection comes out of the detent recess and thereby allows further displacement of the filter module.
  • the latching projection is at least partially formed elastically deformable, so that the latching means have a long service life and allow multiple replacement of filter modules.
  • the mask body is designed in several parts, with a mask base body and with at least one shell element forming the respective receiving recess, the shell element preferably having a higher rigidity than the mask main body. Due to the multi-part design, the production of the mask body is simplified. In addition, can be achieved by the multi-part design that the mask body and the shell element have different properties, especially in terms of their flexibility.
  • the mask main body has a higher flexibility than the shell element, it is ensured that the mask main body on the one hand agrees pleasantly to the face shape of the user, and that the shell element has a sufficiently high rigidity for secure and tight connection of the filter module with the Guaranteed mask body.
  • FIG. 1 shows in a perspective view of a respirator 1, which has a mask body 2, which is adapted to separate the nose and the mouth of a user from the environment.
  • the mask body 2 facing the user has a flexible sealing lip 3, which adapts to the face shape of the user gas-tight when the respirator 1 is pressed against the face of the user.
  • the head of the user engaging behind fastening straps can be used, which are fastened to the mask body 2.
  • the mask body 2 has centrally a bulge 4, which is assigned to the nose of the user, and which carries an exhalation valve 5, which in the in FIG. 1 shown embodiment is covered by an actuatable test valve 6 for testing the gas-tightness of the respirator 1.
  • the exhalation valve 5 passes through the mask body 2 and allows air to escape from the interior of the respirator 1 to the outside, while it is in the opposite direction of flow closes, so that the user can not breathe unfiltered air from the environment through the exhalation valve 5.
  • inhalation valves 7, 8 are provided, which are arranged below the bulge 4 and on both sides of the bulge 4, as from FIG. 2 which shows the respirator 1 in a plan view.
  • the inhalation valves 7 and 8 are each assigned a filter module 9, 10, which can be arranged on the outside of the respiratory mask 1, as in FIG FIG. 1 shown.
  • the intake valves 7, 8 are each arranged in a bottom 11, 12 of a respective receiving recess 13, 14.
  • an opening is formed in the respective bottom 11, 12.
  • a grid structure 15, 16 which carries a flexible filter element on the inside of the mask body 2 in the center.
  • the flexible filter elements 17, 18 are formed as usual circular disk-shaped and act as a flutter valve to detach from the grid structure 15 and 16, when the user inhales to release the respective opening 13 and 14, and in an exhalation of the user against Lay the grid structure 15, 16 to close the respective opening 13, 14.
  • the respective bottom 11, 12 of the receiving recesses 13, 14 is formed in this case curved in several directions, so that an advantageous comfort and a visually advantageous design of the respirator 1 is guaranteed.
  • the receiving recesses 13, 14 are each bounded by a substantially continuous edge 19, 20 which extends in a circle deviating from the contour around the respective inhalation valve 7, 8 and spaced therefrom.
  • the contour corresponds essentially that of a rectangle with rounded corners, so that each of the receiving recesses 13, 14 each have two mutually opposite side walls 21 and 22 or 23 and 24 which extend at least substantially parallel to one another.
  • the guide webs 25 to 28 are spaced from the respective bottom 11 and 12 respectively arranged on the corresponding side wall 21 to 24 and extend in particular inclined to the respective bottom 11, 12.
  • the guide webs 25 and 26 and 27 and 28, on opposite side walls 21, 22 and 23, 24 are arranged, run parallel to each other and are in particular mirror images of each other.
  • FIG. 3 shows the filter module 9 of the respirator 1 in a perspective view with a view of the mask body 2 in use facing back.
  • the filter module 10 is designed accordingly, so that the description for the filter module 9 also applies to the filter module 10.
  • the filter module 9 has a filter module housing 29 which is essentially cup-shaped, with a filter module base 30 and with a side wall 31 extending from the filter module base 30.
  • a filter element 32 which is constructed in a conventional manner, is inserted into the filter module housing 29 can be.
  • the filter module base 30 has a plurality of flow openings 33, of which only a few are provided with reference numerals for reasons of clarity.
  • the filter element 32 extends over all flow openings 33, so that filtered air can flow out of the flow openings 33 only through the filter element 32.
  • the filter module housing 29 has an outer contour, which substantially corresponds to the contour of the edge 19 of the receiving recess 13, so that the filter module housing 29 can be inserted at least substantially accurately into the receiving recess 13.
  • two mutually opposite side wall portions 34, 35 of the filter module housing 29 each have a guide groove 36 and 37 which are parallel to each other.
  • the guide grooves 36, 37 and the guide webs 25, 26 together form a sliding seat device 38, for releasably securing the filter module 9 to the mask body 2.
  • the guide elements 27, 28 are adapted to form a sliding seat device 39 with corresponding guide grooves of the filter module 10 ,
  • the guide webs 25 to 28 and the corresponding guide grooves 36, 37 are designed such that the respective guide module 9 laterally into the receiving recess 13, as in FIG. 1 indicated by arrows, is substantially parallel to the respective bottom 11, 12 can be inserted. Due to the curvature of the bottom and due to the inclined orientation of the guide webs 25, 26 and 27, 28 is achieved that when inserting the filter module 9 and 10, this is also moved in the direction of the bottom 11, 12.
  • a circumferential sealing bar 40, 41 against which the filter module housing 29 of the respective filter module 9, 10 when inserted into the respective receiving recess 13, 14 is pressed, so that a gas-tight connection between the filter modules 9, 10 and the mask body 2 is ensured.
  • an air chamber is then formed, which is bounded laterally by the respective sealing web 40, 41. It is thereby achieved that filtered air reaches the respective inhalation valve 7, 8 only through the respective filter module 9, 10.
  • the guide webs 25 to 28 are correspondingly designed such that they are guided substantially without play in the guide grooves 36, 37 of the respective filter module 9, 10 in order to ensure its secure abutment against the mask body 2. Due to the advantageous elastically deformable design of the sealing webs 40, 41, a spring force is also provided when inserting the respective filter module 9, 10, a bias on the respective filter module 9, 10 in its position of use, ie in which inserted into the respective receiving recess 13, 14 State, exercise. As a result, the respective filter module 9, 10 is frictionally held securely in the respective receiving recess 13, 14.
  • additionally locking means 42 are provided which serve to latch the respective filter module 9, 10 in its position of use.
  • the guide webs 25 to 28 each have a locking projection 43, as he is best in FIG. 4 it can be seen, which interacts with a provided on the respective guide groove 36, 37 latching recess 44 detent.
  • the latching projection 43 is formed according to the present embodiment such that it in the direction of the bottom 11, 12 of the respective receiving recess 13, 14 projects from the respective guide web 25 to 28. Accordingly, the latching recess 44 is aligned with the respective guide groove 36, 37.
  • the locking means 42 thus allow a positive locking of the respective filter module 9, 10 in the use position. By applying a sufficient force, the latching connection is released and the respective filter module 9, 10 can be pushed out of the respective receiving recess 13, 14 and replaced, for example.
  • the latching projections are formed laterally, ie in the direction of the receiving recesses 13, 14 or from the respective bottom 11, 12 outwardly projecting on the respective guide web 25 to 28. It is also conceivable not to provide the locking means in the region of the guide webs 25 to 28, but directly to the side wall portions 34, 35 of the filter module housing 29 of the respective filter module 9, 10 or spaced from the guide webs 25 to 28 on the respective side walls 21, 22 and 23, 24.
  • the receiving recesses 13, 14 are formed such that it has a side walls connecting the opposing side walls 21, 22 and 23, 24, to which the respective filter module 9, 10 can be inserted maximally in the respective receiving recess 13, 14 ,
  • the side wall 45 opposite portion of the receiving recess 13, 14 is preferably formed without or only with a low side wall to there to be able to introduce the respective filter module 9, 10 in a simple manner.
  • the sliding seat devices 38, 39 are limited to a limited portion of the filter module housing 29 of the respective filter module 9, 10, the area of the respective filter module 9, 10 projecting from the mask body 2 outside of the receiving recesses 13, 14, can be designed individually whereby, for example, an existing filter module can be replaced by a filter module with a different size or a different filtering effect in a simple manner.
  • a respiratory mask system is provided, which provides a base body with a plurality of different filter modules, which can be fastened to the mask body in the manner described above.
  • the mask body 2 of the respirator 1 is advantageously integrally formed with the receiving recesses 13, 14.
  • the sealing webs 40, 41 may also be formed integrally with the mask body 2.
  • the sealing webs 40, 41 are made of a different material and sprayed, for example, on the respective floor 11, 12 subsequently.
  • the mask body 2 is designed in several parts, wherein it has a mask base body 46 and two shell elements 47, 48 each forming a receiving recess 13, 14.
  • the shell elements have a higher rigidity than the mask main body 46, which on the one hand, the mask base 46 comfortably adapts to the face shape of the user, and on the other hand a sufficiently high rigidity for secure and tight connection of the respective filter module 9, 10 on the mask body 2 through the Shell elements 47, 48 is ensured.

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  • 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)
EP15154041.6A 2014-02-06 2015-02-05 Masque respiratoire protecteur et cadre de support coulissant Active EP2913083B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202014001315.2U DE202014001315U1 (de) 2014-02-06 2014-02-06 Atemschutzmaske mit Schiebesitzvorrichtung

Publications (2)

Publication Number Publication Date
EP2913083A1 true EP2913083A1 (fr) 2015-09-02
EP2913083B1 EP2913083B1 (fr) 2017-04-12

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EP15154041.6A Active EP2913083B1 (fr) 2014-02-06 2015-02-05 Masque respiratoire protecteur et cadre de support coulissant

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EP (1) EP2913083B1 (fr)
DE (1) DE202014001315U1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000005569A1 (it) * 2020-03-16 2021-09-16 Mestel Safety S R L Maschera di tipo granfacciale provvista di filtro per l’aria in ingresso.
US20210378326A1 (en) * 2020-06-05 2021-12-09 Lg Electronics Inc. Mask apparatus
US11931604B2 (en) 2020-06-30 2024-03-19 Lg Electronics Inc. Mask apparatus
US11951337B2 (en) 2020-06-30 2024-04-09 Lg Electronics Inc. Mask apparatus
US11998769B2 (en) 2020-06-05 2024-06-04 Lg Electronics Inc. Mask apparatus
US12005147B2 (en) 2020-08-28 2024-06-11 Lg Electronics Inc. Sterilization case
US12042674B2 (en) 2020-06-05 2024-07-23 Lg Electronics Inc. Mask apparatus and method for controlling the same
US12063990B2 (en) 2020-06-05 2024-08-20 Lg Electronics Inc. Mask apparatus
US12070631B2 (en) 2020-06-05 2024-08-27 Lg Electronics Inc. Mask apparatus
US12090348B2 (en) 2020-06-05 2024-09-17 Lg Electronics Inc. Mask apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112021002503A5 (de) 2020-04-24 2023-02-16 Löwenstein Medical Technology S.A. Atemmaske mit Partikelfilter
DE102023112402A1 (de) 2022-05-17 2023-11-23 Löwenstein Medical Technology S.A. Atemmaske mit Partikelfilter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534720A (en) * 1949-11-29 1950-12-19 Willson Products Inc Respirator
US4771771A (en) 1984-01-10 1988-09-20 Dragerwerk Ag Gas mask having a protective hood
US4934361A (en) 1986-10-20 1990-06-19 Wgm Safety Corp. Respirator
US5222488A (en) 1991-07-11 1993-06-29 Donaldson Company, Inc. Respirator air filter cartridge with a replaceable filter element
US20070056589A1 (en) * 2000-04-18 2007-03-15 Avon Rubber And Plastics, Inc. Multi-stage respirator filter with tim filter option

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534720A (en) * 1949-11-29 1950-12-19 Willson Products Inc Respirator
US4771771A (en) 1984-01-10 1988-09-20 Dragerwerk Ag Gas mask having a protective hood
US4934361A (en) 1986-10-20 1990-06-19 Wgm Safety Corp. Respirator
US5222488A (en) 1991-07-11 1993-06-29 Donaldson Company, Inc. Respirator air filter cartridge with a replaceable filter element
US20070056589A1 (en) * 2000-04-18 2007-03-15 Avon Rubber And Plastics, Inc. Multi-stage respirator filter with tim filter option

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202000005569A1 (it) * 2020-03-16 2021-09-16 Mestel Safety S R L Maschera di tipo granfacciale provvista di filtro per l’aria in ingresso.
US20210378326A1 (en) * 2020-06-05 2021-12-09 Lg Electronics Inc. Mask apparatus
US11707097B2 (en) * 2020-06-05 2023-07-25 Lg Electronics Inc. Mask apparatus
US11998769B2 (en) 2020-06-05 2024-06-04 Lg Electronics Inc. Mask apparatus
US12042674B2 (en) 2020-06-05 2024-07-23 Lg Electronics Inc. Mask apparatus and method for controlling the same
US12063990B2 (en) 2020-06-05 2024-08-20 Lg Electronics Inc. Mask apparatus
US12070631B2 (en) 2020-06-05 2024-08-27 Lg Electronics Inc. Mask apparatus
US12090348B2 (en) 2020-06-05 2024-09-17 Lg Electronics Inc. Mask apparatus
US11931604B2 (en) 2020-06-30 2024-03-19 Lg Electronics Inc. Mask apparatus
US11951337B2 (en) 2020-06-30 2024-04-09 Lg Electronics Inc. Mask apparatus
US12005147B2 (en) 2020-08-28 2024-06-11 Lg Electronics Inc. Sterilization case

Also Published As

Publication number Publication date
DE202014001315U1 (de) 2014-02-24
EP2913083B1 (fr) 2017-04-12

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