SE505744C2 - Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring - Google Patents
Skyddsmask med en av ett tunt parti av väggen bildad talgenomföringInfo
- Publication number
- SE505744C2 SE505744C2 SE9300466A SE9300466A SE505744C2 SE 505744 C2 SE505744 C2 SE 505744C2 SE 9300466 A SE9300466 A SE 9300466A SE 9300466 A SE9300466 A SE 9300466A SE 505744 C2 SE505744 C2 SE 505744C2
- Authority
- SE
- Sweden
- Prior art keywords
- thin area
- mask
- protective mask
- membrane
- mask according
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 230000035515 penetration Effects 0.000 title 1
- 239000012528 membrane Substances 0.000 claims abstract description 24
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 239000013013 elastic material Substances 0.000 claims abstract 2
- 230000004224 protection Effects 0.000 claims description 13
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI920939A FI96171C (fi) | 1992-03-02 | 1992-03-02 | Suojanaamari |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9300466D0 SE9300466D0 (sv) | 1993-02-12 |
| SE9300466L SE9300466L (sv) | 1993-09-03 |
| SE505744C2 true SE505744C2 (sv) | 1997-10-06 |
Family
ID=8534854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9300466A SE505744C2 (sv) | 1992-03-02 | 1993-02-12 | Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE4305869A1 (enExample) |
| FI (1) | FI96171C (enExample) |
| GB (1) | GB2264648B (enExample) |
| SE (1) | SE505744C2 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845572C2 (de) * | 1998-10-02 | 2002-06-06 | Draeger Safety Ag & Co Kgaa | Sprechübertrager für eine Atemschutzmaske |
| WO2017070352A1 (en) * | 2015-10-22 | 2017-04-27 | Scott Technologies, Inc. | Respirator mask with voice transmittal feature |
| GB201808993D0 (en) * | 2018-06-01 | 2018-07-18 | Avon Polymer Prod Ltd | Speech diaphram module for a respirator mask |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB549518A (en) * | 1941-05-02 | 1942-11-25 | Standard Telephones Cables Ltd | Improvements in or relating to microphones |
-
1992
- 1992-03-02 FI FI920939A patent/FI96171C/fi not_active IP Right Cessation
-
1993
- 1993-02-12 SE SE9300466A patent/SE505744C2/sv not_active IP Right Cessation
- 1993-02-17 GB GB9303179A patent/GB2264648B/en not_active Expired - Fee Related
- 1993-02-25 DE DE4305869A patent/DE4305869A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| SE9300466L (sv) | 1993-09-03 |
| GB2264648B (en) | 1996-01-03 |
| FI96171C (fi) | 1996-05-27 |
| DE4305869A1 (enExample) | 1993-09-09 |
| SE9300466D0 (sv) | 1993-02-12 |
| GB9303179D0 (en) | 1993-03-31 |
| FI920939L (fi) | 1993-09-03 |
| FI96171B (fi) | 1996-02-15 |
| GB2264648A (en) | 1993-09-08 |
| FI920939A0 (fi) | 1992-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE500417C2 (sv) | Öronkåpa för hörselskydd eller hörlurar | |
| EP0092362B1 (en) | Nonlinear passive acoustic filtering | |
| US6148821A (en) | Selective nonlinear attenuating earplug | |
| US5086789A (en) | Wind deflector for the ear | |
| US8651229B2 (en) | Hearing protection | |
| US9609411B2 (en) | Microphone environmental protection device | |
| ES2668544T3 (es) | Aparato y método de amplificación de la voz en una máscara respiratoria | |
| US3154171A (en) | Noise suppressing filter for microphone | |
| RU2678705C1 (ru) | Устройство для защиты органов слуха, содержащее скрученный акустический рог | |
| US20060045299A1 (en) | Hearing protection earplug with a movable attenuation button, method for manufacturing the same and use of the same | |
| BR112017005664B1 (pt) | Dispositivo de avaliação auditiva circoauricular e método para avaliar o desempenho de um dispositivo circoauricular | |
| SE8304538D0 (sv) | Oronskyddsanordning | |
| DE3882474D1 (de) | Vorrichtung zum verschliessen von oeffnungen an hoergeraeten oder ohrpassstuecken fuer hoergeraete. | |
| DK1432281T3 (da) | Elektroakustisk miniaturetransducer til en høreapparat-indretning | |
| JP6631634B2 (ja) | ドラムヘッドおよびドラム | |
| ES2048589T3 (es) | Separador de cerumen para uso con aparatos de protesis auditivas, y aparato de protesis auditiva con un separador de este tipo. | |
| SE8401114L (sv) | Icke-linjer horselskyddsutrustning | |
| SE505744C2 (sv) | Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring | |
| US931768A (en) | Ear-protector. | |
| US20170200440A1 (en) | Acoustic attenuation device and methods of producing thereof | |
| JP6420014B1 (ja) | 音響校正器 | |
| KR101461188B1 (ko) | 공기 흐름 구조를 갖는 커널형 이어폰 | |
| KR200494337Y1 (ko) | 마스크용 음성 전달장치 | |
| US2476224A (en) | Ear protector with adjustable anchoring means | |
| JP4154108B2 (ja) | 小型マイクロホン |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |