GB1092378A - Device for filtering air - Google Patents
Device for filtering airInfo
- Publication number
- GB1092378A GB1092378A GB3820763A GB3820763A GB1092378A GB 1092378 A GB1092378 A GB 1092378A GB 3820763 A GB3820763 A GB 3820763A GB 3820763 A GB3820763 A GB 3820763A GB 1092378 A GB1092378 A GB 1092378A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- face
- closable
- carrying
- valve
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
Abstract
1,092,378. Face masks. CHAPMAN & SMITH Ltd. Dec. 23, 1964 [Sept. 27, 1963], No. 38207/63. Heading A5T. A face mask comprises an apertured plate 1 carrying resilient means 5 which sealingly engage the face of the user, an air permeable filter pad 8 closing the aperture of the plate 1 and carrying a non return exhaling valve. The pad may comprise an envelope of sponge rubber, foam plastic or surgical lint enclosing a resin impregnated woollen material. The valve may comprise a flap 12 closable on eyelet 11; a tube and a ball closable on a resilient seating on the tube; or a tube of flexible material having a slit providing a one way seal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3820763A GB1092378A (en) | 1963-09-27 | 1963-09-27 | Device for filtering air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3820763A GB1092378A (en) | 1963-09-27 | 1963-09-27 | Device for filtering air |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1092378A true GB1092378A (en) | 1967-11-22 |
Family
ID=10401948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3820763A Expired GB1092378A (en) | 1963-09-27 | 1963-09-27 | Device for filtering air |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1092378A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2236681A (en) * | 1989-10-12 | 1991-04-17 | Harry Cole | Respiratory protection device |
GB2264060A (en) * | 1992-02-12 | 1993-08-18 | Kuo Huei Liang | Mask with means for passing out the expiration of air |
US5558089A (en) * | 1994-10-13 | 1996-09-24 | Minnesota Mining And Manufacturing Company | Respirator nose clip |
USD412573S (en) | 1994-10-14 | 1999-08-03 | 3M Innovative Properties Company | Nose clip for a filtering face mask |
WO2005000411A1 (en) * | 2003-06-19 | 2005-01-06 | 3M Innovative Properties Company | Filtering face mask that has a resilient seal surface in its exhalation valve |
CN112494837A (en) * | 2020-12-03 | 2021-03-16 | 林语轩 | High protective mask adaptive to facial features of infant |
-
1963
- 1963-09-27 GB GB3820763A patent/GB1092378A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2236681A (en) * | 1989-10-12 | 1991-04-17 | Harry Cole | Respiratory protection device |
WO1991005584A1 (en) * | 1989-10-12 | 1991-05-02 | Harry Cole | Respiratory protection device |
GB2236681B (en) * | 1989-10-12 | 1992-04-22 | Harry Cole | Respiratory protection device |
GB2264060A (en) * | 1992-02-12 | 1993-08-18 | Kuo Huei Liang | Mask with means for passing out the expiration of air |
US5558089A (en) * | 1994-10-13 | 1996-09-24 | Minnesota Mining And Manufacturing Company | Respirator nose clip |
USD412573S (en) | 1994-10-14 | 1999-08-03 | 3M Innovative Properties Company | Nose clip for a filtering face mask |
WO2005000411A1 (en) * | 2003-06-19 | 2005-01-06 | 3M Innovative Properties Company | Filtering face mask that has a resilient seal surface in its exhalation valve |
US7188622B2 (en) | 2003-06-19 | 2007-03-13 | 3M Innovative Properties Company | Filtering face mask that has a resilient seal surface in its exhalation valve |
CN112494837A (en) * | 2020-12-03 | 2021-03-16 | 林语轩 | High protective mask adaptive to facial features of infant |
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