FR746196A - Masque anti-gaz à face transparente - Google Patents

Masque anti-gaz à face transparente

Info

Publication number
FR746196A
FR746196A FR746196DA FR746196A FR 746196 A FR746196 A FR 746196A FR 746196D A FR746196D A FR 746196DA FR 746196 A FR746196 A FR 746196A
Authority
FR
France
Prior art keywords
gas mask
transparent face
face gas
transparent
mask
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
English (en)
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.)
Pirelli and C SpA
Original Assignee
Pirelli SpA
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 Pirelli SpA filed Critical Pirelli SpA
Application granted granted Critical
Publication of FR746196A publication Critical patent/FR746196A/fr
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)
FR746196D 1931-12-01 1932-11-22 Masque anti-gaz à face transparente Expired FR746196A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT746196X 1931-12-01

Publications (1)

Publication Number Publication Date
FR746196A true FR746196A (fr) 1933-05-23

Family

ID=11315525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR746196D Expired FR746196A (fr) 1931-12-01 1932-11-22 Masque anti-gaz à face transparente

Country Status (1)

Country Link
FR (1) FR746196A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549543A (en) * 1982-12-01 1985-10-29 Moon William F Air filtering face mask
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549543A (en) * 1982-12-01 1985-10-29 Moon William F Air filtering face mask
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

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