GB190327600A - Breathing Apparatus for use in Places filled with Dust, Smoke and Gases. - Google Patents

Breathing Apparatus for use in Places filled with Dust, Smoke and Gases.

Info

Publication number
GB190327600A
GB190327600A GB190327600DA GB190327600A GB 190327600 A GB190327600 A GB 190327600A GB 190327600D A GB190327600D A GB 190327600DA GB 190327600 A GB190327600 A GB 190327600A
Authority
GB
United Kingdom
Prior art keywords
pure air
smoke
gases
dust
helmet
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
Inventor
Emil Witzenmann
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190327600A publication Critical patent/GB190327600A/en
Expired legal-status Critical Current

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  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

27,600. Witzenmann, E. Dec. 16. Respirators.-A nasal apparatus to facilitate the breathing of pure air in a vitiated atmosphere consists of a hollow easing m provided with flap valves e,f, acting as inlet and outlet valves respectively. Caps g, hare screwed over these valves, a tube being connected to the cap g, and leading to the pure air supply. A partition separates the nasal apertures a, b, so that pure air is inspired at one nostril and expired at the other ; but this partition may be dispensed with. The apparatus may be fixed to a helmet or net worn over the head, the air tubes, which are preferably of spirallywound metal, being carried from the apparatus to the helmet and then to the waist-belt to obviate any drag upon the apparatus.
GB190327600D 1903-12-16 1903-12-16 Breathing Apparatus for use in Places filled with Dust, Smoke and Gases. Expired GB190327600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190327600T 1903-12-16

Publications (1)

Publication Number Publication Date
GB190327600A true GB190327600A (en) 1904-02-18

Family

ID=32254481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190327600D Expired GB190327600A (en) 1903-12-16 1903-12-16 Breathing Apparatus for use in Places filled with Dust, Smoke and Gases.

Country Status (1)

Country Link
GB (1) GB190327600A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499650A (en) * 1946-10-21 1950-03-07 Arthur L Kaslow Nasal oxygen feeder and method
US4151843A (en) * 1976-06-28 1979-05-01 Brekke John H Apparatus for administration of a gas to a human and the exhausting thereof
US5267557A (en) * 1992-08-17 1993-12-07 Her Mou Lin Nose mask with a filtering device
US5724965A (en) * 1995-06-06 1998-03-10 Respironics Inc. Nasal mask

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499650A (en) * 1946-10-21 1950-03-07 Arthur L Kaslow Nasal oxygen feeder and method
US4151843A (en) * 1976-06-28 1979-05-01 Brekke John H Apparatus for administration of a gas to a human and the exhausting thereof
US5267557A (en) * 1992-08-17 1993-12-07 Her Mou Lin Nose mask with a filtering device
US5724965A (en) * 1995-06-06 1998-03-10 Respironics Inc. Nasal mask

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