NO872761L - UtŸndingsventilanordning for beskyttelsesmaske. - Google Patents

UtŸndingsventilanordning for beskyttelsesmaske.

Info

Publication number
NO872761L
NO872761L NO872761A NO872761A NO872761L NO 872761 L NO872761 L NO 872761L NO 872761 A NO872761 A NO 872761A NO 872761 A NO872761 A NO 872761A NO 872761 L NO872761 L NO 872761L
Authority
NO
Norway
Prior art keywords
valve
exhalation
membrane
vent
protective mask
Prior art date
Application number
NO872761A
Other languages
English (en)
Norwegian (no)
Other versions
NO872761D0 (no
Inventor
Valter Soederberg
Original Assignee
Horda Gummifabrik Ab
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 Horda Gummifabrik Ab filed Critical Horda Gummifabrik Ab
Publication of NO872761D0 publication Critical patent/NO872761D0/no
Publication of NO872761L publication Critical patent/NO872761L/no

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
    • A62B18/10—Valves

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)
  • Check Valves (AREA)
NO872761A 1986-07-03 1987-07-01 UtŸndingsventilanordning for beskyttelsesmaske. NO872761L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8602962A SE454136B (sv) 1986-07-03 1986-07-03 Utandningsventilanordning for skyddsmask

Publications (2)

Publication Number Publication Date
NO872761D0 NO872761D0 (no) 1987-07-01
NO872761L true NO872761L (no) 1988-01-04

Family

ID=20365012

Family Applications (1)

Application Number Title Priority Date Filing Date
NO872761A NO872761L (no) 1986-07-03 1987-07-01 UtŸndingsventilanordning for beskyttelsesmaske.

Country Status (4)

Country Link
EP (1) EP0252891A1 (de)
FI (1) FI872916A (de)
NO (1) NO872761L (de)
SE (1) SE454136B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883518B2 (en) 2001-06-25 2005-04-26 3M Innovative Properties Company Unidirectional respirator valve
US7849856B2 (en) 2001-06-25 2010-12-14 3M Innovative Properties Company Respirator valve
US20040040562A1 (en) * 2002-08-28 2004-03-04 Brunell Robert A. Mask and spherically configured valve
DE102010008923B4 (de) * 2010-02-23 2013-09-19 Dräger Safety AG & Co. KGaA Richtungsventil für ein Atemschutzprodukt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1326966A (en) * 1920-01-06 Respirator-valve
US1853373A (en) * 1928-03-15 1932-04-12 Monro Randolph Respiratory valve
DE738391C (de) * 1939-06-21 1943-08-13 Auergesellschaft Ag Ventil, insbesondere Atemventil fuer Atemschutzgeraete
GB660095A (en) * 1945-12-11 1951-10-31 Paul Charbonnel Improvements in or relating to protecting masks or respirators
FR2367968A1 (fr) * 1976-10-12 1978-05-12 Motobecane Ateliers Clapet d'admission

Also Published As

Publication number Publication date
FI872916A (fi) 1988-01-04
SE8602962D0 (sv) 1986-07-03
FI872916A0 (fi) 1987-07-01
NO872761D0 (no) 1987-07-01
EP0252891A1 (de) 1988-01-13
SE454136B (sv) 1988-04-11

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