FR1042035A - Improvements to respiratory half-masks - Google Patents

Improvements to respiratory half-masks

Info

Publication number
FR1042035A
FR1042035A FR1042035DA FR1042035A FR 1042035 A FR1042035 A FR 1042035A FR 1042035D A FR1042035D A FR 1042035DA FR 1042035 A FR1042035 A FR 1042035A
Authority
FR
France
Prior art keywords
masks
respiratory half
respiratory
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
Other languages
French (fr)
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.)
MSA Safety Inc
Original Assignee
Mine Safety Appliances Co
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 Mine Safety Appliances Co filed Critical Mine Safety Appliances Co
Application granted granted Critical
Publication of FR1042035A publication Critical patent/FR1042035A/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
    • A62B18/02—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)
FR1042035D 1951-09-07 1951-09-07 Improvements to respiratory half-masks Expired FR1042035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1042035T 1951-09-07

Publications (1)

Publication Number Publication Date
FR1042035A true FR1042035A (en) 1953-10-28

Family

ID=9589803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042035D Expired FR1042035A (en) 1951-09-07 1951-09-07 Improvements to respiratory half-masks

Country Status (1)

Country Link
FR (1) FR1042035A (en)

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