FR857420A - Gas mask - Google Patents

Gas mask

Info

Publication number
FR857420A
FR857420A FR857420DA FR857420A FR 857420 A FR857420 A FR 857420A FR 857420D A FR857420D A FR 857420DA FR 857420 A FR857420 A FR 857420A
Authority
FR
France
Prior art keywords
gas mask
mask
gas
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
Charles Auguste Sander
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 FR857420A publication Critical patent/FR857420A/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
    • A62B18/04—Gas helmets

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR857420D 1939-07-06 1939-07-06 Gas mask Expired FR857420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR857420T 1939-07-06

Publications (1)

Publication Number Publication Date
FR857420A true FR857420A (en) 1940-09-12

Family

ID=9329440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857420D Expired FR857420A (en) 1939-07-06 1939-07-06 Gas mask

Country Status (1)

Country Link
FR (1) FR857420A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943805C (en) * 1953-03-27 1956-06-01 Draegerwerk Ag Fresh air breathing apparatus
US2996145A (en) * 1958-09-17 1961-08-15 Gen Motors Corp Filter sealing means
US3232292A (en) * 1962-10-12 1966-02-01 Arizona Nucleonics Inc Ionized aerosols
US4484575A (en) * 1983-01-13 1984-11-27 E. D. Bullard Company Loose fitting supplied air respirator hood
US4561162A (en) * 1983-01-13 1985-12-31 E. D. Bullard Company Method of making loose fitting supplied air respiration hood
US4627431A (en) * 1985-03-12 1986-12-09 E. I. Du Pont De Nemours And Company Protective hood with CO2 absorbent
US4637383A (en) * 1985-12-23 1987-01-20 Lockheed Corporation Toxic environmental breathing hood
WO1992010237A1 (en) * 1990-12-04 1992-06-25 Aran Fire & Safety (Uk) Limited Improvements in or relating to safety helmets
US6460539B1 (en) 2000-09-21 2002-10-08 3M Innovative Properties Company Respirator that includes an integral filter element, an exhalation valve, and impactor element
US6584976B2 (en) 1998-07-24 2003-07-01 3M Innovative Properties Company Face mask that has a filtered exhalation valve
FR2903608A1 (en) * 2006-07-11 2008-01-18 Delta Production Sa Ventilated dress for e.g. chemical factory zone, has connection unit connecting suit`s interior with conduit`s interior and formed of passage in center of bottom wall of helmet part, and valve mounted in cooperation with conduit or passage
GB2596814A (en) * 2020-07-06 2022-01-12 Fromanteel Ltd Protective head covering

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE943805C (en) * 1953-03-27 1956-06-01 Draegerwerk Ag Fresh air breathing apparatus
US2996145A (en) * 1958-09-17 1961-08-15 Gen Motors Corp Filter sealing means
US3232292A (en) * 1962-10-12 1966-02-01 Arizona Nucleonics Inc Ionized aerosols
US4484575A (en) * 1983-01-13 1984-11-27 E. D. Bullard Company Loose fitting supplied air respirator hood
US4561162A (en) * 1983-01-13 1985-12-31 E. D. Bullard Company Method of making loose fitting supplied air respiration hood
US4627431A (en) * 1985-03-12 1986-12-09 E. I. Du Pont De Nemours And Company Protective hood with CO2 absorbent
US4637383A (en) * 1985-12-23 1987-01-20 Lockheed Corporation Toxic environmental breathing hood
WO1992010237A1 (en) * 1990-12-04 1992-06-25 Aran Fire & Safety (Uk) Limited Improvements in or relating to safety helmets
US6584976B2 (en) 1998-07-24 2003-07-01 3M Innovative Properties Company Face mask that has a filtered exhalation valve
US6805124B2 (en) 1998-07-24 2004-10-19 3M Innovative Properties Company Face mask that has a filtered exhalation valve
US6460539B1 (en) 2000-09-21 2002-10-08 3M Innovative Properties Company Respirator that includes an integral filter element, an exhalation valve, and impactor element
FR2903608A1 (en) * 2006-07-11 2008-01-18 Delta Production Sa Ventilated dress for e.g. chemical factory zone, has connection unit connecting suit`s interior with conduit`s interior and formed of passage in center of bottom wall of helmet part, and valve mounted in cooperation with conduit or passage
GB2596814A (en) * 2020-07-06 2022-01-12 Fromanteel Ltd Protective head covering
GB2596814B (en) * 2020-07-06 2023-05-10 Fromanteel Ltd Protective head covering

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