FR34407E - Masque respiratoire - Google Patents

Masque respiratoire

Info

Publication number
FR34407E
FR34407E FR34407DA FR34407E FR 34407 E FR34407 E FR 34407E FR 34407D A FR34407D A FR 34407DA FR 34407 E FR34407 E FR 34407E
Authority
FR
France
Prior art keywords
respiratory mask
respiratory
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)
Inventor
Henri-Emile-Auguste Houdelot
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 FR34407E publication Critical patent/FR34407E/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR34407D 1927-09-26 1927-09-26 Masque respiratoire Expired FR34407E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR34407T 1927-09-26

Publications (1)

Publication Number Publication Date
FR34407E true FR34407E (fr) 1929-06-18

Family

ID=8671982

Family Applications (2)

Application Number Title Priority Date Filing Date
FR621703D Expired FR621703A (fr) 1927-09-26 1926-01-18 Masque respiratoire
FR34407D Expired FR34407E (fr) 1927-09-26 1927-09-26 Masque respiratoire

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR621703D Expired FR621703A (fr) 1927-09-26 1926-01-18 Masque respiratoire

Country Status (1)

Country Link
FR (2) FR621703A (fr)

Also Published As

Publication number Publication date
FR621703A (fr) 1927-05-16

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