FR421362A - Respirator mask with pneumatic seal ensuring airtightness - Google Patents

Respirator mask with pneumatic seal ensuring airtightness

Info

Publication number
FR421362A
FR421362A FR421362DA FR421362A FR 421362 A FR421362 A FR 421362A FR 421362D A FR421362D A FR 421362DA FR 421362 A FR421362 A FR 421362A
Authority
FR
France
Prior art keywords
respirator mask
pneumatic seal
ensuring airtightness
seal ensuring
airtightness
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Application granted granted Critical
Publication of FR421362A publication Critical patent/FR421362A/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)
FR421362D 1909-10-18 1910-10-12 Respirator mask with pneumatic seal ensuring airtightness Expired FR421362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE421362X 1909-10-18

Publications (1)

Publication Number Publication Date
FR421362A true FR421362A (en) 1911-02-21

Family

ID=1464420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421362D Expired FR421362A (en) 1909-10-18 1910-10-12 Respirator mask with pneumatic seal ensuring airtightness

Country Status (1)

Country Link
FR (1) FR421362A (en)

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