BE555402A - - Google Patents

Info

Publication number
BE555402A
BE555402A BE555402DA BE555402A BE 555402 A BE555402 A BE 555402A BE 555402D A BE555402D A BE 555402DA BE 555402 A BE555402 A BE 555402A
Authority
BE
Belgium
Prior art keywords
mask
filtered air
air
ducts
permanent
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE555402A publication Critical patent/BE555402A/fr

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
    • A62B18/006—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 with pumps for forced ventilation

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)
BE555402D 1957-02-28 1957-02-28 BE555402A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE555402T 1957-02-28

Publications (1)

Publication Number Publication Date
BE555402A true BE555402A (zh) 1957-03-15

Family

ID=179549

Family Applications (1)

Application Number Title Priority Date Filing Date
BE555402D BE555402A (zh) 1957-02-28 1957-02-28

Country Status (1)

Country Link
BE (1) BE555402A (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024133A1 (en) * 1979-07-28 1981-02-25 Marwin Foundry Units Limited Air supply units
DE102015005299A1 (de) * 2015-04-27 2016-10-27 Pr-Technik Gmbh Atemschutzvorrichtung
WO2017065620A1 (en) 2015-10-15 2017-04-20 Clear Air Technology Limited A respirator
DE102018100473A1 (de) 2018-01-10 2019-07-11 Fischer Planning Ltd. Atemschutzvorrichtung
EP3362154A4 (en) * 2015-10-15 2019-07-17 Clear Air Technology Limited Respirator
US11123510B2 (en) 2019-09-12 2021-09-21 O2-O2, Inc. Respirator devices with source control mechanisms and associated systems and methods

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024133A1 (en) * 1979-07-28 1981-02-25 Marwin Foundry Units Limited Air supply units
DE102015005299A1 (de) * 2015-04-27 2016-10-27 Pr-Technik Gmbh Atemschutzvorrichtung
WO2017065620A1 (en) 2015-10-15 2017-04-20 Clear Air Technology Limited A respirator
EP3362154A4 (en) * 2015-10-15 2019-07-17 Clear Air Technology Limited Respirator
US10758751B2 (en) 2015-10-15 2020-09-01 Clear Air Technology Limited Respirator
DE102018100473A1 (de) 2018-01-10 2019-07-11 Fischer Planning Ltd. Atemschutzvorrichtung
DE102018100473B4 (de) * 2018-01-10 2021-03-25 Fischer Planning Ltd. Atemschutzvorrichtung
US11123510B2 (en) 2019-09-12 2021-09-21 O2-O2, Inc. Respirator devices with source control mechanisms and associated systems and methods

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