GB489209A - Improvements in warning devices for oxygen admitting devices for respiratory apparatus - Google Patents

Improvements in warning devices for oxygen admitting devices for respiratory apparatus

Info

Publication number
GB489209A
GB489209A GB22482/37A GB2248237A GB489209A GB 489209 A GB489209 A GB 489209A GB 22482/37 A GB22482/37 A GB 22482/37A GB 2248237 A GB2248237 A GB 2248237A GB 489209 A GB489209 A GB 489209A
Authority
GB
United Kingdom
Prior art keywords
oxygen
diaphragm
pressure
bellows
valve
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
GB22482/37A
Other languages
English (en)
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 GB489209A publication Critical patent/GB489209A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB22482/37A 1936-08-15 1937-08-16 Improvements in warning devices for oxygen admitting devices for respiratory apparatus Expired GB489209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE489209X 1936-08-15

Publications (1)

Publication Number Publication Date
GB489209A true GB489209A (en) 1938-07-21

Family

ID=6543921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22482/37A Expired GB489209A (en) 1936-08-15 1937-08-16 Improvements in warning devices for oxygen admitting devices for respiratory apparatus

Country Status (2)

Country Link
GB (1) GB489209A (enrdf_load_stackoverflow)
NL (1) NL47148C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL47148C (enrdf_load_stackoverflow)

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