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FR826056A - Rigid face mask with device for making calls - Google Patents

Rigid face mask with device for making calls

Info

Publication number
FR826056A
FR826056A FR826056DA FR826056A FR 826056 A FR826056 A FR 826056A FR 826056D A FR826056D A FR 826056DA FR 826056 A FR826056 A FR 826056A
Authority
FR
France
Prior art keywords
face mask
making calls
rigid face
rigid
calls
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
Marcel Adrien Armand Albert
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 FR826056A publication Critical patent/FR826056A/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
    • A62B18/08—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)
FR826056D 1937-08-27 1937-08-27 Rigid face mask with device for making calls Expired FR826056A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR826056T 1937-08-27

Publications (1)

Publication Number Publication Date
FR826056A true FR826056A (en) 1938-03-22

Family

ID=9282649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR826056D Expired FR826056A (en) 1937-08-27 1937-08-27 Rigid face mask with device for making calls

Country Status (1)

Country Link
FR (1) FR826056A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974665A (en) * 1954-02-12 1961-03-14 Armard V Motsinger Gas mask speech transmission
EP0304641A1 (en) * 1987-08-04 1989-03-01 SGE SOCIETA' GENERALE ELASTOMERI S.p.A. Protective mask

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974665A (en) * 1954-02-12 1961-03-14 Armard V Motsinger Gas mask speech transmission
EP0304641A1 (en) * 1987-08-04 1989-03-01 SGE SOCIETA' GENERALE ELASTOMERI S.p.A. Protective mask

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