FI101198B - Gasmask - Google Patents

Gasmask Download PDF

Info

Publication number
FI101198B
FI101198B FI920940A FI920940A FI101198B FI 101198 B FI101198 B FI 101198B FI 920940 A FI920940 A FI 920940A FI 920940 A FI920940 A FI 920940A FI 101198 B FI101198 B FI 101198B
Authority
FI
Finland
Prior art keywords
mask
air
inlet
gas mask
filter
Prior art date
Application number
FI920940A
Other languages
English (en)
Finnish (fi)
Other versions
FI101198B1 (sv
FI920940A (fi
FI920940A0 (fi
Inventor
Jyrki Jaervinen
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Priority to FI920940A priority Critical patent/FI101198B1/sv
Publication of FI920940A0 publication Critical patent/FI920940A0/fi
Priority to DE4305570A priority patent/DE4305570B4/de
Priority to SE9300678A priority patent/SE506100C2/sv
Priority to GB9304150A priority patent/GB2264649B/en
Publication of FI920940A publication Critical patent/FI920940A/fi
Application granted granted Critical
Publication of FI101198B publication Critical patent/FI101198B/sv
Publication of FI101198B1 publication Critical patent/FI101198B1/sv

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
    • A62B18/02—Masks
    • 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
    • A62B9/003—Means for influencing the temperature or humidity of the breathing gas

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (5)

1. Gasmask (1) innefattande med ett filter (l) försedda kanaler (4) för inandningsluft och en separat utloppskanal (5) for utandningsluft, varvid nämnda inloppskanaler (4) för 5 inandningsluft omfattar inloppsgrenar (6, 7) riktade mot sidorna av masken, av vilka valbart den ena (7) kan tillslu-tas och den andra (6) förses med ett filter (10), känneteck-nad av att kanalernas (4) inloppsgrenar (6, 7) pä maskens (l) vertikala mittlinje sammangär i en enda uppätgäende ka-10 nal (8), som fördelar inkommande luft väsentligen jämnt över maskens fönster (3).
2. Gasmask enligt patentkrav 1, kannetecknad av att in-loppsgrenarnas (6, 7) förbindelsepunkt (9) anligger mot ut- 15 loppskanalen (5) sä att utandningsluften värmer luftflödet som kommer in i masken.
3. Gasmask enligt patentkrav 2, kännetecknad av att in-loppskanalerna (4) avskiljs frän utloppskanalen (5) av en 20 värmeledande metallvägg (14).
4. Gasmask enligt patentkrav 3, kännetecknad av att me-tallväggen (14) mellan kanalerna (4, 5) är korrugerad.
5. Gasmask enligt nägot av patentkraven 2-4, kännetecknad av att utloppskanalen (5) är försedd med en styranordning (15) för luftflödet som styr utandningsluften att strömma förbi den värmeledande väggen (14) mellan kanalerna.
FI920940A 1992-03-02 1992-03-02 Gasmask FI101198B1 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI920940A FI101198B1 (sv) 1992-03-02 1992-03-02 Gasmask
DE4305570A DE4305570B4 (de) 1992-03-02 1993-02-24 Gasmaske
SE9300678A SE506100C2 (sv) 1992-03-02 1993-03-01 Gasmask
GB9304150A GB2264649B (en) 1992-03-02 1993-03-02 Gas Mask

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI920940 1992-03-02
FI920940A FI101198B1 (sv) 1992-03-02 1992-03-02 Gasmask

Publications (4)

Publication Number Publication Date
FI920940A0 FI920940A0 (fi) 1992-03-02
FI920940A FI920940A (fi) 1993-09-03
FI101198B true FI101198B (sv) 1998-05-15
FI101198B1 FI101198B1 (sv) 1998-05-15

Family

ID=8534855

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920940A FI101198B1 (sv) 1992-03-02 1992-03-02 Gasmask

Country Status (4)

Country Link
DE (1) DE4305570B4 (sv)
FI (1) FI101198B1 (sv)
GB (1) GB2264649B (sv)
SE (1) SE506100C2 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20011992A (sv) 2001-10-12 2003-04-13 Euromaski Oy Skyddsanordning
CA2422025A1 (en) * 2002-03-12 2003-09-12 Bombardier Inc. Helmet with breathing mask air passages
EP3479876A1 (en) * 2017-11-02 2019-05-08 Koninklijke Philips N.V. Breathing mask
WO2019043118A1 (en) * 2017-09-01 2019-03-07 Koninklijke Philips N.V. RESPIRATORY MASK

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB530285A (en) * 1939-02-13 1940-12-09 Otto Heinrich Draeger Improvements in or relating to gas masks for horses
CH600898A5 (sv) * 1975-10-10 1978-06-30 Luwa Ag
GB2115293B (en) * 1982-02-26 1985-10-02 Avon Ind Polymers Respirator air guide
US4595003A (en) * 1983-10-21 1986-06-17 The United States Of America As Represented By The Secretary Of The Army Protective mask for airborne toxic substances
US4671268A (en) * 1985-09-23 1987-06-09 Hunt Patrick T Cold weather breathing mask

Also Published As

Publication number Publication date
SE9300678L (sv) 1993-09-03
SE506100C2 (sv) 1997-11-10
FI101198B1 (sv) 1998-05-15
FI920940A (fi) 1993-09-03
GB9304150D0 (en) 1993-04-21
DE4305570A1 (sv) 1993-09-09
GB2264649A (en) 1993-09-08
GB2264649B (en) 1995-12-06
SE9300678D0 (sv) 1993-03-01
DE4305570B4 (de) 2004-07-01
FI920940A0 (fi) 1992-03-02

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