SE505744C2 - Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring - Google Patents

Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring

Info

Publication number
SE505744C2
SE505744C2 SE9300466A SE9300466A SE505744C2 SE 505744 C2 SE505744 C2 SE 505744C2 SE 9300466 A SE9300466 A SE 9300466A SE 9300466 A SE9300466 A SE 9300466A SE 505744 C2 SE505744 C2 SE 505744C2
Authority
SE
Sweden
Prior art keywords
thin area
mask
protective mask
membrane
mask according
Prior art date
Application number
SE9300466A
Other languages
English (en)
Swedish (sv)
Other versions
SE9300466D0 (sv
SE9300466L (sv
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
Publication of SE9300466D0 publication Critical patent/SE9300466D0/xx
Publication of SE9300466L publication Critical patent/SE9300466L/
Publication of SE505744C2 publication Critical patent/SE505744C2/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
    • A62B18/08—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)
SE9300466A 1992-03-02 1993-02-12 Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring SE505744C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI920939A FI96171C (fi) 1992-03-02 1992-03-02 Suojanaamari

Publications (3)

Publication Number Publication Date
SE9300466D0 SE9300466D0 (sv) 1993-02-12
SE9300466L SE9300466L (sv) 1993-09-03
SE505744C2 true SE505744C2 (sv) 1997-10-06

Family

ID=8534854

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9300466A SE505744C2 (sv) 1992-03-02 1993-02-12 Skyddsmask med en av ett tunt parti av väggen bildad talgenomföring

Country Status (4)

Country Link
DE (1) DE4305869A1 (cg-RX-API-DMAC10.html)
FI (1) FI96171C (cg-RX-API-DMAC10.html)
GB (1) GB2264648B (cg-RX-API-DMAC10.html)
SE (1) SE505744C2 (cg-RX-API-DMAC10.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845572C2 (de) * 1998-10-02 2002-06-06 Draeger Safety Ag & Co Kgaa Sprechübertrager für eine Atemschutzmaske
WO2017070352A1 (en) * 2015-10-22 2017-04-27 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
SE9300466D0 (sv) 1993-02-12
GB2264648B (en) 1996-01-03
DE4305869A1 (cg-RX-API-DMAC10.html) 1993-09-09
FI96171C (fi) 1996-05-27
SE9300466L (sv) 1993-09-03
FI920939A0 (fi) 1992-03-02
FI920939L (fi) 1993-09-03
FI96171B (fi) 1996-02-15
GB9303179D0 (en) 1993-03-31
GB2264648A (en) 1993-09-08

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Legal Events

Date Code Title Description
NUG Patent has lapsed