GB428338A - Improvements in gas-masks - Google Patents
Improvements in gas-masksInfo
- Publication number
- GB428338A GB428338A GB23659/34A GB2365934A GB428338A GB 428338 A GB428338 A GB 428338A GB 23659/34 A GB23659/34 A GB 23659/34A GB 2365934 A GB2365934 A GB 2365934A GB 428338 A GB428338 A GB 428338A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- masks
- ribs
- face
- conforming
- 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
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)
Abstract
428,338. Gas-masks. SENFT, A., 2, B÷hmestrasse, Leipsic, Germany. Aug. 16, 1934, No. 23659. Convention date, Jan. 19. [Class 81 (ii)] Gas-masks are provided around their edges, where these contact with the face, with two or more ribs such as a, b having channels such as c between them, the ribs conforming to regular curves on their outer sides and, as shown at d, conforming to the irregularities of the face. The ribs may be separate, or, as shown, may be formed on a single thick rib. The construction provides a gas-tight joint between mask and face.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE428338X | 1934-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB428338A true GB428338A (en) | 1935-05-10 |
Family
ID=6477451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23659/34A Expired GB428338A (en) | 1934-01-19 | 1934-08-16 | Improvements in gas-masks |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB428338A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297999A (en) * | 1979-07-19 | 1981-11-03 | Kitrell John V | Portable resuscitation apparatus |
US4875477A (en) * | 1987-07-23 | 1989-10-24 | Dragerwerk Aktiengesellschaft | Protective mask having a built-in sensor for monitoring vital functions |
US5143061A (en) * | 1990-08-17 | 1992-09-01 | Kaimer Stephen F | Supplemental seal for oxygen mask |
US5492116A (en) * | 1992-12-17 | 1996-02-20 | Respironics Inc. | Respiratory mask with floating seal responsive to pressurized gas |
US5655527A (en) * | 1994-06-03 | 1997-08-12 | Respironics Inc. | Respiratory mask with floating seal responsive to pressurized gas |
JP2013523246A (en) * | 2010-03-31 | 2013-06-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Patient interface device having a patient contact surface with ribs |
-
1934
- 1934-08-16 GB GB23659/34A patent/GB428338A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4297999A (en) * | 1979-07-19 | 1981-11-03 | Kitrell John V | Portable resuscitation apparatus |
US4875477A (en) * | 1987-07-23 | 1989-10-24 | Dragerwerk Aktiengesellschaft | Protective mask having a built-in sensor for monitoring vital functions |
US5143061A (en) * | 1990-08-17 | 1992-09-01 | Kaimer Stephen F | Supplemental seal for oxygen mask |
US5492116A (en) * | 1992-12-17 | 1996-02-20 | Respironics Inc. | Respiratory mask with floating seal responsive to pressurized gas |
US5655527A (en) * | 1994-06-03 | 1997-08-12 | Respironics Inc. | Respiratory mask with floating seal responsive to pressurized gas |
US9604023B2 (en) | 2010-03-25 | 2017-03-28 | Koninklijke Philips N.V. | Respiratory mask with ribbed contacting surface |
JP2013523246A (en) * | 2010-03-31 | 2013-06-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Patient interface device having a patient contact surface with ribs |
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