CA2043993A1 - Appareil respiratoire portable muni d'un systeme de filtration de l'air - Google Patents

Appareil respiratoire portable muni d'un systeme de filtration de l'air

Info

Publication number
CA2043993A1
CA2043993A1 CA2043993A CA2043993A CA2043993A1 CA 2043993 A1 CA2043993 A1 CA 2043993A1 CA 2043993 A CA2043993 A CA 2043993A CA 2043993 A CA2043993 A CA 2043993A CA 2043993 A1 CA2043993 A1 CA 2043993A1
Authority
CA
Canada
Prior art keywords
shroud
fans
wearer
air
filtration
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.)
Granted
Application number
CA2043993A
Other languages
English (en)
Other versions
CA2043993C (fr
Inventor
Rex O. Bare
David R. Millar
Harry Nicholas Herbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2043993A1 publication Critical patent/CA2043993A1/fr
Application granted granted Critical
Publication of CA2043993C publication Critical patent/CA2043993C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A62B18/04—Gas helmets
    • A62B18/045—Gas helmets with fans for delivering air for breathing mounted in or on the helmet
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/28—Ventilating arrangements
    • A42B3/286—Ventilating arrangements with forced flow, e.g. by a fan

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pulmonology (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
CA002043993A 1990-06-14 1991-06-06 Appareil respiratoire portable muni d'un systeme de filtration de l'air Expired - Lifetime CA2043993C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US537,700 1990-06-14
US07/537,700 US5054480A (en) 1990-06-14 1990-06-14 Personal air filtration and control system

Publications (2)

Publication Number Publication Date
CA2043993A1 true CA2043993A1 (fr) 1991-12-15
CA2043993C CA2043993C (fr) 2000-12-12

Family

ID=24143736

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002043993A Expired - Lifetime CA2043993C (fr) 1990-06-14 1991-06-06 Appareil respiratoire portable muni d'un systeme de filtration de l'air

Country Status (6)

Country Link
US (1) US5054480A (fr)
EP (1) EP0468188B1 (fr)
JP (1) JP2676071B2 (fr)
AT (1) ATE137680T1 (fr)
CA (1) CA2043993C (fr)
DE (1) DE69119316T2 (fr)

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Also Published As

Publication number Publication date
ATE137680T1 (de) 1996-05-15
EP0468188B1 (fr) 1996-05-08
JP2676071B2 (ja) 1997-11-12
CA2043993C (fr) 2000-12-12
EP0468188A1 (fr) 1992-01-29
JPH0623001A (ja) 1994-02-01
DE69119316T2 (de) 1997-01-23
US5054480A (en) 1991-10-08
DE69119316D1 (de) 1996-06-13

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