JPH0239481Y2 - - Google Patents

Info

Publication number
JPH0239481Y2
JPH0239481Y2 JP19398684U JP19398684U JPH0239481Y2 JP H0239481 Y2 JPH0239481 Y2 JP H0239481Y2 JP 19398684 U JP19398684 U JP 19398684U JP 19398684 U JP19398684 U JP 19398684U JP H0239481 Y2 JPH0239481 Y2 JP H0239481Y2
Authority
JP
Japan
Prior art keywords
valve
oxygen
breathing
exhalation
pressure
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
JP19398684U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61109554U (en]
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 JP19398684U priority Critical patent/JPH0239481Y2/ja
Publication of JPS61109554U publication Critical patent/JPS61109554U/ja
Application granted granted Critical
Publication of JPH0239481Y2 publication Critical patent/JPH0239481Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
JP19398684U 1984-12-21 1984-12-21 Expired JPH0239481Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19398684U JPH0239481Y2 (en]) 1984-12-21 1984-12-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19398684U JPH0239481Y2 (en]) 1984-12-21 1984-12-21

Publications (2)

Publication Number Publication Date
JPS61109554U JPS61109554U (en]) 1986-07-11
JPH0239481Y2 true JPH0239481Y2 (en]) 1990-10-23

Family

ID=30751421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19398684U Expired JPH0239481Y2 (en]) 1984-12-21 1984-12-21

Country Status (1)

Country Link
JP (1) JPH0239481Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6644316B2 (en) * 1999-10-12 2003-11-11 Mallinckrodt Inc. Variable aperture venting for respiratory mask
EP1933946B1 (en) * 2005-10-11 2017-12-20 BE Intellectual Property, Inc. Improved breathing mask and regulator for aircraft

Also Published As

Publication number Publication date
JPS61109554U (en]) 1986-07-11

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