KR890016983A - 필터요소 - Google Patents

필터요소 Download PDF

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Publication number
KR890016983A
KR890016983A KR1019890006536A KR890006536A KR890016983A KR 890016983 A KR890016983 A KR 890016983A KR 1019890006536 A KR1019890006536 A KR 1019890006536A KR 890006536 A KR890006536 A KR 890006536A KR 890016983 A KR890016983 A KR 890016983A
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KR
South Korea
Prior art keywords
filter element
webs
filter
minutes
less
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KR1019890006536A
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English (en)
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KR960005210B1 (ko
Inventor
브로스트롬 제랄드 엠
에이.저푼티치 데니얼
야드 사브리나 엠
Original Assignee
도널드 밀러
미네소타 마이닝 앤드 매뉴팩츄어링 캄파니
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Publication of KR890016983A publication Critical patent/KR890016983A/ko
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Publication of KR960005210B1 publication Critical patent/KR960005210B1/ko

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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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/35—Respirators and register filters

Landscapes

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

Abstract

내용 없음

Description

필터요소
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 필터 요소가 고정된 호흡마스크를 도시하며, 필터요소중 하나는 필터요소가 마스크의 전면부에 결합될수 있게 하는 수단을 도시하는 분해도, 제2도는 본 발명의 대표적인 필터요소의 단면도.

Claims (11)

  1. (A)전방벽과 후방벽의 주변모서리들을 따라서 서로 연결되고, 각기 최소한 하나의 필터재료충을 포함하며, 대체로 동일한 범위로 확장하는 상기 전방벽 및 후방벽과 ; (B)상기 전방벽과 후방벽 사이에 내장되어 이들 벽과 대체로 동일한 범위로 확장하며 상기 벽들을 대체로 그들의 전 지역에 걸쳐서 이격지게 떨어진 관계로 그들의 전 지역에 걸쳐서 이격지에 떨어진 관계로 유지시키고, 필터요소를 통해 총 압력강하의 50%이하를 제공하는 다공성 충과 ; (C)상기 필터요소의 후방벽에 접착되고, 상기 필터요소를 마스크 전면부에 고정시키기 위한 부착수단을 가지는 호흡관을 포함하는 필터 요소.
  2. 제 1 항에 있어서, 커버층을 더욱 포함하는 상기 필터 요소.
  3. 제 1 항 또는 제 2 항에 있어서, 상기의 최소한 하나의 필터 재료충이 부직 미세섬유 웨브들, 파이브릴화된 필름웨브들, 에어레이드 웨브들, 소면된 웨브들, 흡착제입자 하전된 섬유상 웨브들, 유리필터종이, 전기적으로 하전된 부직 브라운 미세섬유 웨브 또는 그들의 결합물들로 구성된 그룹으로부터 선택된 재료를 포함하는 상기 필터 요소.
  4. 제 1 항 또는 2항에 있어서, 상기 다공성 충은 직조웨브들, 부직웨브들, 루우스 섬유, 섬유 베트, 루우스 입자재료, 다공성 매트릭스 속에 함께 본드된 입자재료 또는 그들의 결합물로 구성된 그룹으로부터 선택된 재료를 포함하는 상기 펄터 요소.
  5. 제 4 항에 있어서, 상기 부직웨브는 유리필터 종이, 에어레이드 웨브, 소면된 웨브, 파이브릴화된 필름웨브, 흠착제입자 하전된 섬유상 웨브 또는 그들의 결합물들로 구성된 그룹으로부터 선택되는 상기 필터 요소.
  6. 제 1 항 또는 2항에 있어서, 상기 다공성 충은 두께가 0.2cm 내지 4.Ocm인 상기 필터 요소.
  7. 제 1 항에 있어서, 상기 필터요소는 16 liters/min의 공기 유속에서 90분 동안에 걸쳐서 상기 필터요소를 통해 0.4-0.6마이크로미터의 기하 펑균 입자 직경을 가지는 실린카 먼지의 1.5mg 이하를 통과시키며, 90분 동안의 전에는 상기 필터요소를 통해 30mmH20 이하의 압력강하를 가지여 90분 동안의 후에는 상기 필터요소를 통해 50mmH20 이하의 압력강하를 가지는 상기 필터 요소.
  8. 제 1 항 또는 7항에 있어서, 상기 필터요소가 42.5 liters/min의 유속에서 100micrograms/ι의 농도의 흐름속에 포함된 디옥틸 프탈레이트의 0.3마이크로미터의 직경의 입자들의 약 3.0퍼센트 이하를 통과시키는 상기 필터요소.
  9. 제 1 항에 있어서, 상기 필터요소는 16liters/min의 공기 유속에서 312분 동안에 걸쳐서 상기 필터요소를 통해 1.5mg 이하의 납중기를 통과시키며, 312분 동안에 전에는 상기 필터요소를 통해 30mmH2() 압력강하를 가지며 312분 동안 후에는 상기 필터요소를 통해 50mmH20 이하의 압력강하를 가지는 상기 필터 요소.
  10. 하나의 전면부와 제 1 항, 제 7 항 또는 제 9 항의 하나 또는 그 이상의 필터요소들을 포함하는 마스크.
  11. 하나의 전면부와 제 8 항의 하나 또는 그 이상의 필터요소들을 포함하는 마스크.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890006536A 1988-05-17 1989-05-16 필터 요소 및 호흡 마스크 KR960005210B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/195,029 US4886058A (en) 1988-05-17 1988-05-17 Filter element
US195029 1988-05-17

Publications (2)

Publication Number Publication Date
KR890016983A true KR890016983A (ko) 1989-12-14
KR960005210B1 KR960005210B1 (ko) 1996-04-23

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Family Applications (1)

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KR1019890006536A KR960005210B1 (ko) 1988-05-17 1989-05-16 필터 요소 및 호흡 마스크

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Country Link
US (2) US4886058A (ko)
EP (1) EP0342807B1 (ko)
JP (1) JP2994402B2 (ko)
KR (1) KR960005210B1 (ko)
AR (1) AR244095A1 (ko)
AU (1) AU617454B2 (ko)
BR (1) BR8902282A (ko)
CA (1) CA1332716C (ko)
DE (1) DE68923906T2 (ko)
DK (1) DK175092B1 (ko)
ES (1) ES2076208T3 (ko)
MX (1) MX168560B (ko)
ZA (1) ZA893011B (ko)

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ZA893011B (en) 1990-12-28
ES2076208T3 (es) 1995-11-01
MX168560B (es) 1993-05-31
DK175092B1 (da) 2004-05-24
DK238389D0 (da) 1989-05-16
USRE35062E (en) 1995-10-17
BR8902282A (pt) 1990-01-09
CA1332716C (en) 1994-10-25
JP2994402B2 (ja) 1999-12-27
AR244095A1 (es) 1993-10-29
EP0342807A2 (en) 1989-11-23
AU617454B2 (en) 1991-11-28
US4886058A (en) 1989-12-12
DK238389A (da) 1989-11-18
DE68923906T2 (de) 1996-04-18
JPH0219175A (ja) 1990-01-23
KR960005210B1 (ko) 1996-04-23
EP0342807A3 (en) 1992-05-06
AU3313989A (en) 1989-11-23
DE68923906D1 (de) 1995-09-28
EP0342807B1 (en) 1995-08-23

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