FR78743E - Assembly and production of an exhalation valve housing, for protection devices against dust of all kinds, toxic gases, etc. - Google Patents

Assembly and production of an exhalation valve housing, for protection devices against dust of all kinds, toxic gases, etc.

Info

Publication number
FR78743E
FR78743E FR845076A FR845076A FR78743E FR 78743 E FR78743 E FR 78743E FR 845076 A FR845076 A FR 845076A FR 845076 A FR845076 A FR 845076A FR 78743 E FR78743 E FR 78743E
Authority
FR
France
Prior art keywords
kinds
assembly
production
valve housing
protection devices
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
FR845076A
Other languages
French (fr)
Inventor
Albert Desormiere
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
Priority to FR845076A priority Critical patent/FR78743E/en
Application granted granted Critical
Publication of FR78743E publication Critical patent/FR78743E/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
    • A62B18/10—Valves

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR845076A 1960-11-25 1960-11-25 Assembly and production of an exhalation valve housing, for protection devices against dust of all kinds, toxic gases, etc. Expired FR78743E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR845076A FR78743E (en) 1960-11-25 1960-11-25 Assembly and production of an exhalation valve housing, for protection devices against dust of all kinds, toxic gases, etc.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR845076A FR78743E (en) 1960-11-25 1960-11-25 Assembly and production of an exhalation valve housing, for protection devices against dust of all kinds, toxic gases, etc.

Publications (1)

Publication Number Publication Date
FR78743E true FR78743E (en) 1962-08-31

Family

ID=8743472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845076A Expired FR78743E (en) 1960-11-25 1960-11-25 Assembly and production of an exhalation valve housing, for protection devices against dust of all kinds, toxic gases, etc.

Country Status (1)

Country Link
FR (1) FR78743E (en)

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