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GB906251A - Improvements in or relating to mask lip seals - Google Patents

Improvements in or relating to mask lip seals

Info

Publication number
GB906251A
GB906251A GB3077059A GB3077059A GB906251A GB 906251 A GB906251 A GB 906251A GB 3077059 A GB3077059 A GB 3077059A GB 3077059 A GB3077059 A GB 3077059A GB 906251 A GB906251 A GB 906251A
Authority
GB
United Kingdom
Prior art keywords
relating
edge
mask
lip seals
mask lip
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
GB3077059A
Inventor
Geoffrey Rex Allen
Barry Charles Short
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.)
SECR AVIATION
Minister of Aviation
Original Assignee
SECR AVIATION
Minister of Aviation
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 SECR AVIATION, Minister of Aviation filed Critical SECR AVIATION
Priority to GB3077059A priority Critical patent/GB906251A/en
Publication of GB906251A publication Critical patent/GB906251A/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)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

906,251. Respiratory appliances. AVIATION, MINISTER OF. July 28, 1960 [Sept. 9, 1959], No. 30770/59. Class 81 (2). To prevent the inturned edge 20 of a face mask from unrolling, tie members 25 have one end secured adjacent the edge 20 and the other to the main wall 22 of the mask. A flexible substantially inextensible reinforcing cord may be secured at intervals adjacent the edge 20.
GB3077059A 1959-09-09 1959-09-09 Improvements in or relating to mask lip seals Expired GB906251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3077059A GB906251A (en) 1959-09-09 1959-09-09 Improvements in or relating to mask lip seals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3077059A GB906251A (en) 1959-09-09 1959-09-09 Improvements in or relating to mask lip seals

Publications (1)

Publication Number Publication Date
GB906251A true GB906251A (en) 1962-09-19

Family

ID=10312871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3077059A Expired GB906251A (en) 1959-09-09 1959-09-09 Improvements in or relating to mask lip seals

Country Status (1)

Country Link
GB (1) GB906251A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029885A1 (en) * 1979-12-01 1981-06-10 Drägerwerk Aktiengesellschaft Escape filtering apparatus with protective hood

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0029885A1 (en) * 1979-12-01 1981-06-10 Drägerwerk Aktiengesellschaft Escape filtering apparatus with protective hood

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