FR1003623A - Improvements to masks for pressurized breathing apparatus - Google Patents

Improvements to masks for pressurized breathing apparatus

Info

Publication number
FR1003623A
FR1003623A FR1003623DA FR1003623A FR 1003623 A FR1003623 A FR 1003623A FR 1003623D A FR1003623D A FR 1003623DA FR 1003623 A FR1003623 A FR 1003623A
Authority
FR
France
Prior art keywords
masks
breathing apparatus
pressurized breathing
pressurized
breathing
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
Other languages
French (fr)
Inventor
Bertrand-Albert Hemmerdinger
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 filed Critical
Application granted granted Critical
Publication of FR1003623A publication Critical patent/FR1003623A/en
Expired legal-status Critical Current

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
    • A62B18/02—Masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR1003623D 1947-02-03 1947-02-03 Improvements to masks for pressurized breathing apparatus Expired FR1003623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1003623T 1947-02-03

Publications (1)

Publication Number Publication Date
FR1003623A true FR1003623A (en) 1952-03-20

Family

ID=9563176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1003623D Expired FR1003623A (en) 1947-02-03 1947-02-03 Improvements to masks for pressurized breathing apparatus

Country Status (1)

Country Link
FR (1) FR1003623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3838348A1 (en) * 2019-12-20 2021-06-23 Optrel Holding AG Mouth protection device for a respiratory protection system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3838348A1 (en) * 2019-12-20 2021-06-23 Optrel Holding AG Mouth protection device for a respiratory protection system
WO2021123168A1 (en) * 2019-12-20 2021-06-24 Optrel Holding AG Mouth protection device for a respiratory protection system
CN114845783A (en) * 2019-12-20 2022-08-02 奥普特雷尔控股有限公司 Oral protection device for a respiratory protection system
US11617906B2 (en) 2019-12-20 2023-04-04 Optrel Holding AG Mouth protection device for a respiratory protection system
CN114845783B (en) * 2019-12-20 2023-08-08 奥普特雷尔控股有限公司 Oral protection device for respiratory protection system

Similar Documents

Publication Publication Date Title
FR970075A (en) Improvements to gas turbo-engines
FR977272A (en) Improvements relating to writing instruments
FR1023404A (en) Improvements to scuba and breathing apparatus for dives
FR1006338A (en) Improvements to gas turbines
FR1003623A (en) Improvements to masks for pressurized breathing apparatus
FR942351A (en) Breathing apparatus particularly intended for divers
FR1048542A (en) Respiratory System Improvements
AT175154B (en) Snorkel-like breathing apparatus
FR949195A (en) Improvements to respiratory masks
FR996860A (en) Improvements to porthole masks for divers
FR1019362A (en) Air mattress for various uses
FR1020422A (en) Improvements to breathing apparatus for diving
FR1044192A (en) Refinements to exhalation valves for breathing apparatus
FR976720A (en) Respiratory System Improvements
FR1083879A (en) Improvements to respiratory masks
FR949148A (en) Improvements to drawing devices
FR1039971A (en) Improvements to underwater respirators
FR950339A (en) Respiratory System Improvements
FR995736A (en) Improvements to dust masks
FR966195A (en) Improvements to X-ray equipment
FR1126597A (en) Breathing apparatus especially for divers
FR1038864A (en) Improvements to two-stream turbo-reactors
FR1046411A (en) Improvements to leakage transformers
FR1137252A (en) Improvements to shipyards
FR922009A (en) Improvements to self-contained breathing apparatus