GB1215218A - A respiratory apparatus mask - Google Patents

A respiratory apparatus mask

Info

Publication number
GB1215218A
GB1215218A GB26358/68A GB2635868A GB1215218A GB 1215218 A GB1215218 A GB 1215218A GB 26358/68 A GB26358/68 A GB 26358/68A GB 2635868 A GB2635868 A GB 2635868A GB 1215218 A GB1215218 A GB 1215218A
Authority
GB
United Kingdom
Prior art keywords
mask
exhalation valve
diaphragm
drager
valve
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
GB26358/68A
Inventor
Otto Heinrich Drager
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1215218A publication Critical patent/GB1215218A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • 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
    • 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
    • A62B18/10—Valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

1,215,218. Respiratory mask. O. H. DRAGER [trading as DRAGERWERK, HEINR & BERNH. DRAGER]. 31 May, 1968 [3 June, 1967], No. 26358/68. Heading AST. A respiratory mask comprising a mask body having mounted thereon an inhalation valve 2 an exhalation valve 8 and a speaking diaphragm 6 and including a perforated cover 9 protecting said diaphragm, and a chamber 7 bounded by said diaphragm, said cover and said exhalation valve and disposed immediately downstream of the exhalation valve, the exhalation valve and diaphragm being mounted side-by-side on a part disposed between the said chamber and the mask interior. The mask may also include a shaped wall 7a to direct inhaled gas over a window 4 of the mask. The exhalation valve may be removably mounted in an elastic housing. An auxiliary mask 5 for directing the path of the exhaled gas and the sound waves may also be included.
GB26358/68A 1967-06-03 1968-05-31 A respiratory apparatus mask Expired GB1215218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0053254 1967-06-03

Publications (1)

Publication Number Publication Date
GB1215218A true GB1215218A (en) 1970-12-09

Family

ID=7054818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26358/68A Expired GB1215218A (en) 1967-06-03 1968-05-31 A respiratory apparatus mask

Country Status (6)

Country Link
CH (1) CH466052A (en)
CS (1) CS159746B2 (en)
DE (1) DE1708045A1 (en)
FR (1) FR1575820A (en)
GB (1) GB1215218A (en)
SE (1) SE326893B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756308A (en) * 1984-10-25 1988-07-12 Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask
US4905683A (en) * 1985-03-22 1990-03-06 Dragerwerk Aktiengesellschaft Respirator mask for positive pressure respirator equipment
WO2003047698A1 (en) * 2001-11-27 2003-06-12 Msa Auer Gmbh Respiratory protection mask for a compressed air breathing apparatus
FR2862883A1 (en) * 2003-11-27 2005-06-03 Philippe Leclere Hygienic face mask has guides that direct exhaled air away from field of vision
CN104436461A (en) * 2014-12-11 2015-03-25 江苏同康特种活性炭纤维面料有限公司 Filter firefighting self-rescue respirator
CN109276789A (en) * 2018-11-21 2019-01-29 王晖 A kind of negative pressure tractive respiratory method and its device
US11241596B2 (en) 2015-03-13 2022-02-08 Msa Europe Gmbh Breathing mask and flushing arrangement for a breathing mask

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792013A (en) * 1987-09-08 1988-12-20 Boynton Carter R Vocal muffler
NO885009L (en) * 1987-11-13 1989-05-16 Avon Ind Polymers AIR INPUT IN THE RESPIRATOR.
DE4220780C1 (en) * 1992-06-25 1993-09-23 Draegerwerk Ag, 23558 Luebeck, De
FR2740690B1 (en) * 1995-11-03 1998-07-03 Comasec International CONNECTION BLOCK FOR A RESPIRATORY MASK; MASK PROVIDED WITH SUCH A BLOCK; HELMET AND SCAPHANDRE COMPRISING SUCH A MASK
FR2740689B1 (en) 1995-11-03 1998-01-23 Comasec International EYEPIECE FOR A RESPIRATORY PROTECTION MASK, MASK PROVIDED WITH THE EYEPIECE AND HELMET AND SCAPHANDRE PROVIDED WITH THE MASK
CN104225834A (en) * 2014-10-02 2014-12-24 吴建平 Novel dust protection mask

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756308A (en) * 1984-10-25 1988-07-12 Akg Akustische U.Kino-Gerate Gesellschaft M.B.H. Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask
US4905683A (en) * 1985-03-22 1990-03-06 Dragerwerk Aktiengesellschaft Respirator mask for positive pressure respirator equipment
WO2003047698A1 (en) * 2001-11-27 2003-06-12 Msa Auer Gmbh Respiratory protection mask for a compressed air breathing apparatus
US7673630B2 (en) 2001-11-27 2010-03-09 Msa Auer Gmbh Respiratory protection mask for a compressed air breathing apparatus
US8245712B2 (en) 2001-11-27 2012-08-21 Msa Auer Gmbh Respirator mask for a compressed air breathing apparatus
FR2862883A1 (en) * 2003-11-27 2005-06-03 Philippe Leclere Hygienic face mask has guides that direct exhaled air away from field of vision
CN104436461A (en) * 2014-12-11 2015-03-25 江苏同康特种活性炭纤维面料有限公司 Filter firefighting self-rescue respirator
US11241596B2 (en) 2015-03-13 2022-02-08 Msa Europe Gmbh Breathing mask and flushing arrangement for a breathing mask
CN109276789A (en) * 2018-11-21 2019-01-29 王晖 A kind of negative pressure tractive respiratory method and its device

Also Published As

Publication number Publication date
DE1708045A1 (en) 1972-01-05
FR1575820A (en) 1969-07-25
SE326893B (en) 1970-08-03
CH466052A (en) 1968-11-30
CS159746B2 (en) 1975-01-31

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