GB428338A - Improvements in gas-masks - Google Patents

Improvements in gas-masks

Info

Publication number
GB428338A
GB428338A GB2365934A GB2365934A GB428338A GB 428338 A GB428338 A GB 428338A GB 2365934 A GB2365934 A GB 2365934A GB 2365934 A GB2365934 A GB 2365934A GB 428338 A GB428338 A GB 428338A
Authority
GB
United Kingdom
Prior art keywords
gas
masks
ribs
conforming
hmestrasse
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
Application number
GB2365934A
Original Assignee
Alfred Senft
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
Priority to DE428338X priority Critical
Application filed by Alfred Senft filed Critical Alfred Senft
Publication of GB428338A publication Critical patent/GB428338A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices

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.
GB2365934A 1934-01-19 1934-08-16 Improvements in gas-masks Expired GB428338A (en)

Priority Applications (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
GB2365934A 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)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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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