FI96171B - protective mask - Google Patents

protective mask

Info

Publication number
FI96171B
FI96171B FI920939A FI920939A FI96171B FI 96171 B FI96171 B FI 96171B FI 920939 A FI920939 A FI 920939A FI 920939 A FI920939 A FI 920939A FI 96171 B FI96171 B FI 96171B
Authority
FI
Finland
Prior art keywords
protective mask
mask
protective
Prior art date
Application number
FI920939A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI920939A (en
FI920939A0 (en
FI96171C (en
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 FI920939A priority Critical patent/FI96171C/en
Publication of FI920939A0 publication Critical patent/FI920939A0/en
Priority to SE9300466A priority patent/SE505744C2/en
Priority to GB9303179A priority patent/GB2264648B/en
Priority to DE4305869A priority patent/DE4305869A1/de
Publication of FI920939A publication Critical patent/FI920939A/en
Publication of FI96171B publication Critical patent/FI96171B/en
Application granted granted Critical
Publication of FI96171C publication Critical patent/FI96171C/en

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

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)
FI920939A 1992-03-02 1992-03-02 protective mask FI96171C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI920939A FI96171C (en) 1992-03-02 1992-03-02 protective mask
SE9300466A SE505744C2 (en) 1992-03-02 1993-02-12 Protective mask with a speech penetration formed by a thin portion of the wall
GB9303179A GB2264648B (en) 1992-03-02 1993-02-17 Protective mask
DE4305869A DE4305869A1 (en) 1992-03-02 1993-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI920939A FI96171C (en) 1992-03-02 1992-03-02 protective mask

Publications (4)

Publication Number Publication Date
FI920939A0 FI920939A0 (en) 1992-03-02
FI920939A FI920939A (en) 1993-09-03
FI96171B true FI96171B (en) 1996-02-15
FI96171C FI96171C (en) 1996-05-27

Family

ID=8534854

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920939A FI96171C (en) 1992-03-02 1992-03-02 protective mask

Country Status (4)

Country Link
DE (1) DE4305869A1 (en)
FI (1) FI96171C (en)
GB (1) GB2264648B (en)
SE (1) SE505744C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845572C2 (en) * 1998-10-02 2002-06-06 Draeger Safety Ag & Co Kgaa Speech transmitter for a respirator
US11273334B2 (en) 2015-10-22 2022-03-15 Scott Technologies, Inc. Respirator mask with voice transmittal feature
GB201808993D0 (en) * 2018-06-01 2018-07-18 Avon Polymer Prod Ltd Speech diaphram module for a respirator mask

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB549518A (en) * 1941-05-02 1942-11-25 Standard Telephones Cables Ltd Improvements in or relating to microphones

Also Published As

Publication number Publication date
FI920939A (en) 1993-09-03
SE505744C2 (en) 1997-10-06
SE9300466D0 (en) 1993-02-12
SE9300466L (en) 1993-09-03
DE4305869A1 (en) 1993-09-09
FI920939A0 (en) 1992-03-02
GB2264648A (en) 1993-09-08
FI96171C (en) 1996-05-27
GB2264648B (en) 1996-01-03
GB9303179D0 (en) 1993-03-31

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired