FR564591A - Protective mask against asphyxiating gases - Google Patents

Protective mask against asphyxiating gases

Info

Publication number
FR564591A
FR564591A FR564591DA FR564591A FR 564591 A FR564591 A FR 564591A FR 564591D A FR564591D A FR 564591DA FR 564591 A FR564591 A FR 564591A
Authority
FR
France
Prior art keywords
protective mask
mask against
asphyxiating
gases
asphyxiating gases
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)
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.)
Hutchinson SA
Original Assignee
Hutchinson SA
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 Hutchinson SA filed Critical Hutchinson SA
Application granted granted Critical
Publication of FR564591A publication Critical patent/FR564591A/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)
FR564591D 1922-07-18 1922-07-18 Protective mask against asphyxiating gases Expired FR564591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR564591T 1922-07-18

Publications (1)

Publication Number Publication Date
FR564591A true FR564591A (en) 1924-01-05

Family

ID=8945865

Family Applications (1)

Application Number Title Priority Date Filing Date
FR564591D Expired FR564591A (en) 1922-07-18 1922-07-18 Protective mask against asphyxiating gases

Country Status (1)

Country Link
FR (1) FR564591A (en)

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