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DE969947C - Breathing mask with fresh air supply - Google Patents

Breathing mask with fresh air supply

Info

Publication number
DE969947C
DE969947C DEL14712A DEL0014712A DE969947C DE 969947 C DE969947 C DE 969947C DE L14712 A DEL14712 A DE L14712A DE L0014712 A DEL0014712 A DE L0014712A DE 969947 C DE969947 C DE 969947C
Authority
DE
Germany
Prior art keywords
fresh air
air supply
breathing mask
hemisphere
sieve
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.)
Expired
Application number
DEL14712A
Other languages
German (de)
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Priority to DEL14712A priority Critical patent/DE969947C/en
Application granted granted Critical
Publication of DE969947C publication Critical patent/DE969947C/en
Expired 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
    • A62B18/003—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 having means for creating a fresh air curtain

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)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

© 809 582/33 7.58© 809 582/33 7.58

Claims (2)

Patentansprüche:Patent claims: 1. Atemschutzmaske mit Frischluftzuführung nach Patent 902 715, dadurch gekennzeichnet, daß über der Einströmöffnung (α) der Frischluft ein siebartiger, die Form einer Halbkugel oder eines Kugelabschnittes besitzender Körper1. Respiratory protection mask with fresh air supply according to Patent 902 715, characterized in that that over the inflow opening (α) of the fresh air a sieve-like, the shape of a hemisphere or a body having a spherical segment (c) angebracht ist.(c) is appropriate. 2. Atemschutzmaske nach Anspruch i, dadurch gekennzeichnet, daß ein Teil der Siebfläche durch eine luftundurchlässige Fläche ersetzt oder mit einer solchen Fläche abgedeckt ist.2. Respirator according to claim i, characterized characterized in that part of the screen surface is replaced by an air-impermeable surface or is covered with such an area.
DEL14712A 1949-02-27 1953-02-19 Breathing mask with fresh air supply Expired DE969947C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL14712A DE969947C (en) 1949-02-27 1953-02-19 Breathing mask with fresh air supply

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE902715T 1949-02-27
DEL14712A DE969947C (en) 1949-02-27 1953-02-19 Breathing mask with fresh air supply

Publications (1)

Publication Number Publication Date
DE969947C true DE969947C (en) 1958-07-31

Family

ID=7259900

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL14712A Expired DE969947C (en) 1949-02-27 1953-02-19 Breathing mask with fresh air supply

Country Status (1)

Country Link
DE (1) DE969947C (en)

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