CS231554B1 - Air outlet valve - Google Patents

Air outlet valve Download PDF

Info

Publication number
CS231554B1
CS231554B1 CS489879A CS489879A CS231554B1 CS 231554 B1 CS231554 B1 CS 231554B1 CS 489879 A CS489879 A CS 489879A CS 489879 A CS489879 A CS 489879A CS 231554 B1 CS231554 B1 CS 231554B1
Authority
CS
Czechoslovakia
Prior art keywords
spacers
membrane
exhalation
items
lid
Prior art date
Application number
CS489879A
Other languages
Czech (cs)
English (en)
Inventor
Walter Goerner
Horst Schurig
Rudolf Mueller
Original Assignee
Walter Goerner
Horst Schurig
Rudolf Mueller
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 Walter Goerner, Horst Schurig, Rudolf Mueller filed Critical Walter Goerner
Publication of CS231554B1 publication Critical patent/CS231554B1/cs

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)
  • Check Valves (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
CS489879A 1978-08-01 1979-07-12 Air outlet valve CS231554B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20706578A DD138036B1 (de) 1978-08-01 1978-08-01 Ausatemventil

Publications (1)

Publication Number Publication Date
CS231554B1 true CS231554B1 (en) 1984-12-14

Family

ID=5513862

Family Applications (1)

Application Number Title Priority Date Filing Date
CS489879A CS231554B1 (en) 1978-08-01 1979-07-12 Air outlet valve

Country Status (6)

Country Link
CS (1) CS231554B1 (de)
DD (1) DD138036B1 (de)
DE (1) DE2924172A1 (de)
HU (1) HU182786B (de)
IN (1) IN152115B (de)
SU (1) SU1124982A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414973A (en) * 1981-03-10 1983-11-15 U.S.D. Corp. Respirator face mask
US4934362A (en) * 1987-03-26 1990-06-19 Minnesota Mining And Manufacturing Company Unidirectional fluid valve
US4813575A (en) 1987-09-29 1989-03-21 Amtrol Inc. Non-refillable valve for pressurized containers
IT1216459B (it) * 1988-02-26 1990-03-08 Ind Pirelli S P A Milano Minis Maschera protettiva per interventi operativi in ambienti contaminati.

Also Published As

Publication number Publication date
DD138036A1 (de) 1979-10-10
SU1124982A1 (ru) 1984-11-23
DD138036B1 (de) 1980-10-01
HU182786B (en) 1984-03-28
IN152115B (de) 1983-10-22
DE2924172A1 (de) 1980-02-21

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