ZA837291B - Single-element filter and respirator - Google Patents

Single-element filter and respirator

Info

Publication number
ZA837291B
ZA837291B ZA837291A ZA837291A ZA837291B ZA 837291 B ZA837291 B ZA 837291B ZA 837291 A ZA837291 A ZA 837291A ZA 837291 A ZA837291 A ZA 837291A ZA 837291 B ZA837291 B ZA 837291B
Authority
ZA
South Africa
Prior art keywords
respirator
element filter
filter
Prior art date
Application number
ZA837291A
Inventor
Richard D Maryyanek
Joseph Z Zdrok
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Publication of ZA837291B publication Critical patent/ZA837291B/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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
ZA837291A 1982-11-08 1983-09-29 Single-element filter and respirator ZA837291B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43993082A 1982-11-08 1982-11-08

Publications (1)

Publication Number Publication Date
ZA837291B true ZA837291B (en) 1984-06-27

Family

ID=23746726

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA837291A ZA837291B (en) 1982-11-08 1983-09-29 Single-element filter and respirator

Country Status (6)

Country Link
EP (1) EP0109514A1 (en)
JP (1) JPS59103677A (en)
AU (1) AU567691B2 (en)
BR (1) BR8306104A (en)
CA (1) CA1213496A (en)
ZA (1) ZA837291B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371270A (en) * 1986-09-13 1988-03-31 シ−ブ　ノ−ス，インコ−ポレ−テツド Respiration mask with replaceable filter
CA2456216C (en) * 2001-08-10 2008-07-22 North Safety Products Inc. Respirator
US7419526B2 (en) 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
US9642403B2 (en) 2007-08-16 2017-05-09 Kimberly-Clark Worldwide, Inc. Strap fastening system for a disposable respirator providing improved donning
JP2018000982A (en) * 2017-08-24 2018-01-11 株式会社重松製作所 Respiratory protective device
FR3109700A1 (en) * 2020-05-01 2021-11-05 Concept Composites Auvergne 2Ca Protective mask with interchangeable filter
CN115530465A (en) * 2022-10-18 2022-12-30 张建兴 Mask improvement accessory and filter sheet detection method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE144267C (en) *
CH9133A (en) * 1894-08-31 1895-03-31 Docteur Detourbe Felix Respirator mask
US2181026A (en) * 1936-11-13 1939-11-21 Schwartz Nathan Respirator
US2201315A (en) * 1936-11-13 1940-05-21 American Optical Corp Respirator
GB761263A (en) * 1954-02-22 1956-11-14 Martindale Electric Company Lt Improvements in respiratory masks
US2823671A (en) * 1954-03-29 1958-02-18 Pulmosan Safety Equipment Corp Respirator
US2895472A (en) * 1956-01-05 1959-07-21 Electric Storage Battery Co Respirator
US3014479A (en) * 1959-05-20 1961-12-26 Welsh Mfg Co Respirator
DE2329668A1 (en) * 1973-06-09 1975-01-02 Draegerwerk Ag RESPIRATORY MASK WITH RESPIRATORY FILTER

Also Published As

Publication number Publication date
AU567691B2 (en) 1987-12-03
EP0109514A1 (en) 1984-05-30
CA1213496A (en) 1986-11-04
JPS59103677A (en) 1984-06-15
BR8306104A (en) 1984-06-12
AU1952383A (en) 1984-05-17

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