GB530289A - Exhalation valve device for gas masks - Google Patents

Exhalation valve device for gas masks

Info

Publication number
GB530289A
GB530289A GB18042/39A GB1804239A GB530289A GB 530289 A GB530289 A GB 530289A GB 18042/39 A GB18042/39 A GB 18042/39A GB 1804239 A GB1804239 A GB 1804239A GB 530289 A GB530289 A GB 530289A
Authority
GB
United Kingdom
Prior art keywords
gas masks
exhalation valve
valve device
sieve
valve seat
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
GB18042/39A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB530289A publication Critical patent/GB530289A/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
    • 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
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Check Valves (AREA)

Abstract

530,289. Check valves. DRAGER, O. H. June 21, 1939, No. 18042. Convention date, Feb. 13. [Class 135] An exhalation valve for gas masks, particularly for horses comprises a screw-threaded pin c arranged centrally of a bar g bridging the annular valve seat a and carrying the rubber or like valve disc h, a nut-forming sieve d being screwed on the pin c from the interior, so as to clamp the beaded edge f of the opening in the mask between the sieve and the valve seat.
GB18042/39A 1939-02-13 1939-06-21 Exhalation valve device for gas masks Expired GB530289A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE530289X 1939-02-13

Publications (1)

Publication Number Publication Date
GB530289A true GB530289A (en) 1940-12-09

Family

ID=6554451

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18042/39A Expired GB530289A (en) 1939-02-13 1939-06-21 Exhalation valve device for gas masks

Country Status (1)

Country Link
GB (1) GB530289A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426326A1 (en) * 2002-12-05 2004-06-09 Cool-System Bev. GmbH Valve arrangement and container with a valve arrangement
WO2016181144A1 (en) * 2015-05-14 2016-11-17 Jsp Limited Exhalation valve assembly for a wearable protective device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426326A1 (en) * 2002-12-05 2004-06-09 Cool-System Bev. GmbH Valve arrangement and container with a valve arrangement
WO2016181144A1 (en) * 2015-05-14 2016-11-17 Jsp Limited Exhalation valve assembly for a wearable protective device
EA037028B1 (en) * 2015-05-14 2021-01-28 ДжейЭсПи ЛИМИТЕД Exhalation valve assembly for a wearable protective device
GB2538284B (en) * 2015-05-14 2021-05-05 Jsp Ltd Wearable protective device

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