JPH028748B2 - - Google Patents
Info
- Publication number
- JPH028748B2 JPH028748B2 JP54089958A JP8995879A JPH028748B2 JP H028748 B2 JPH028748 B2 JP H028748B2 JP 54089958 A JP54089958 A JP 54089958A JP 8995879 A JP8995879 A JP 8995879A JP H028748 B2 JPH028748 B2 JP H028748B2
- Authority
- JP
- Japan
- Prior art keywords
- dust
- pleat
- horizontal
- proof
- mask
- 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 - Lifetime
Links
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 230000000241 respiratory effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 description 14
- 239000000428 dust Substances 0.000 description 10
- 206010016654 Fibrosis Diseases 0.000 description 2
- 206010035664 Pneumonia Diseases 0.000 description 2
- 206010035742 Pneumonitis Diseases 0.000 description 2
- 230000004761 fibrosis Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1123—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a duckbill configuration
-
- 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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92648978A | 1978-07-20 | 1978-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5521988A JPS5521988A (en) | 1980-02-16 |
JPH028748B2 true JPH028748B2 (fr) | 1990-02-27 |
Family
ID=25453278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8995879A Granted JPS5521988A (en) | 1978-07-20 | 1979-07-17 | Dustproof mask |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5521988A (fr) |
AU (1) | AU526437B2 (fr) |
BE (1) | BE877727A (fr) |
CA (1) | CA1116351A (fr) |
DE (1) | DE2929104A1 (fr) |
DK (1) | DK147672C (fr) |
FR (1) | FR2431298A1 (fr) |
GB (1) | GB2025773B (fr) |
NL (1) | NL188682C (fr) |
SE (1) | SE438414B (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4419994A (en) * | 1980-07-03 | 1983-12-13 | Racal Safety Limited | Respirators |
DE3204060A1 (de) * | 1982-02-06 | 1983-08-25 | Drägerwerk AG, 2400 Lübeck | Atemhalbmaske fuer den einmalgebrauch |
WO1996028216A1 (fr) | 1995-03-09 | 1996-09-19 | Minnesota Mining And Manufacturing Company | Respirateurs plats pliables et leurs procedes de fabrication |
DE10004682B4 (de) * | 2000-02-03 | 2005-12-15 | Dieter Riemer | Atemheilmaske |
EP1795079A1 (fr) * | 2005-12-07 | 2007-06-13 | Taiwan Textile Research Institute | Masque pour le visage |
JP2007229222A (ja) * | 2006-03-01 | 2007-09-13 | Makino Osao | 多層式マスク |
US8056560B2 (en) * | 2007-05-14 | 2011-11-15 | Timothy Andrew Wilcox | Universal dust mask/filter for ATV and dirt bike riders, method of making and method of using |
KR100891701B1 (ko) * | 2008-09-01 | 2009-04-03 | 장정산업 주식회사 | 4면 방진마스크 |
CO6340173A1 (es) * | 2011-03-18 | 2011-11-21 | Talero John Alejandro Sanchez | Protector mascarilla retractil respiratorio |
US9615612B2 (en) | 2013-08-29 | 2017-04-11 | 3M Innovative Properties Company | Filtering face-piece respirator with stiffening member integral with filtering structure |
US9868002B2 (en) | 2014-07-17 | 2018-01-16 | 3M Innovative Properties Company | Respirator including contrast layer |
CN106418802B (zh) * | 2016-10-24 | 2018-03-27 | 北京爱莫生健康科技有限公司 | 一种可折叠的舒适口罩 |
US20200268071A1 (en) * | 2019-02-25 | 2020-08-27 | Jenna L. Newcomb | Rapidly Deployable Face Mask |
TWM620381U (zh) * | 2020-05-29 | 2021-12-01 | 鴻林堂生物科技股份有限公司 | 一種口罩本體結構 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE24549E (en) * | 1958-10-14 | Haliczer | ||
US24549A (en) * | 1859-06-28 | Improvement in harvesting-machines | ||
FR1208019A (fr) * | 1958-01-02 | 1960-02-19 | Filtre à poussières destiné à être porté sur le visage | |
FR1220851A (fr) * | 1958-12-12 | 1960-05-30 | Plastiques Soc D Expl Des | Masque de protection contre les poussières |
FR1592290A (fr) * | 1968-07-06 | 1970-05-11 | ||
FR2206674A1 (fr) * | 1972-11-10 | 1974-06-07 | Jaz Sa | |
DE7631132U1 (de) * | 1976-10-01 | 1977-03-31 | Delbag-Luftfilter Gmbh, 1000 Berlin | Atemschutzmaske fuer die human- und tieraerztliche praxis und fuer staubgefaehrdete arbeitsbereiche |
GB1588442A (en) * | 1978-04-18 | 1981-04-23 | Secr Defence | Face masks |
-
1979
- 1979-04-30 AU AU46506/79A patent/AU526437B2/en not_active Ceased
- 1979-05-02 GB GB7915334A patent/GB2025773B/en not_active Expired
- 1979-05-08 CA CA000327161A patent/CA1116351A/fr not_active Expired
- 1979-06-07 NL NL7904491A patent/NL188682C/xx not_active IP Right Cessation
- 1979-07-11 FR FR7917983A patent/FR2431298A1/fr active Granted
- 1979-07-16 BE BE0/196321A patent/BE877727A/fr not_active IP Right Cessation
- 1979-07-17 JP JP8995879A patent/JPS5521988A/ja active Granted
- 1979-07-18 DE DE19792929104 patent/DE2929104A1/de active Granted
- 1979-07-18 SE SE7906197A patent/SE438414B/sv not_active IP Right Cessation
- 1979-07-19 DK DK304679A patent/DK147672C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2431298A1 (fr) | 1980-02-15 |
BE877727A (fr) | 1980-01-16 |
JPS5521988A (en) | 1980-02-16 |
FR2431298B1 (fr) | 1984-04-27 |
DK147672B (da) | 1984-11-12 |
GB2025773A (en) | 1980-01-30 |
NL188682C (nl) | 1992-09-01 |
NL7904491A (nl) | 1980-01-22 |
SE7906197L (sv) | 1980-01-21 |
CA1116351A (fr) | 1982-01-19 |
DE2929104A1 (de) | 1980-01-31 |
GB2025773B (en) | 1982-12-01 |
NL188682B (nl) | 1992-04-01 |
AU4650679A (en) | 1980-01-24 |
SE438414B (sv) | 1985-04-22 |
DK304679A (da) | 1980-01-21 |
DE2929104C2 (fr) | 1989-09-14 |
AU526437B2 (en) | 1983-01-13 |
DK147672C (da) | 1985-05-20 |
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