NL49614C - - Google Patents
Info
- Publication number
- NL49614C NL49614C NL49614DA NL49614C NL 49614 C NL49614 C NL 49614C NL 49614D A NL49614D A NL 49614DA NL 49614 C NL49614 C NL 49614C
- Authority
- NL
- Netherlands
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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/10—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/16—Check valves with flexible valve members with tongue-shaped laminae
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49614C true NL49614C (enrdf_load_stackoverflow) |
Family
ID=1808409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49614D NL49614C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL49614C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009088545A3 (en) * | 2007-11-27 | 2009-11-05 | 3M Innovative Properties Company | Face mask with unidirectional valve |
| US10137321B2 (en) | 2008-03-24 | 2018-11-27 | 3M Innovative Properties Company | Filtering face-piece respirator having an integrally-joined exhalation valve |
-
0
- NL NL49614D patent/NL49614C/xx active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009088545A3 (en) * | 2007-11-27 | 2009-11-05 | 3M Innovative Properties Company | Face mask with unidirectional valve |
| EP2345457A1 (en) * | 2007-11-27 | 2011-07-20 | 3M Innovative Properties Co. | Face mask with unidirectional valve |
| US10137321B2 (en) | 2008-03-24 | 2018-11-27 | 3M Innovative Properties Company | Filtering face-piece respirator having an integrally-joined exhalation valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10137321B2 (en) | Filtering face-piece respirator having an integrally-joined exhalation valve | |
| EP2345457B1 (en) | Face mask with unidirectional valve | |
| JP2011504786A5 (enrdf_load_stackoverflow) | ||
| KR20130131418A (ko) | 절개형 플랩을 구비한 밸브를 갖는 호흡기 | |
| CN108713810B (zh) | 一种电动雾霾口罩 | |
| CN105533855A (zh) | 一种雾霾防护口罩 | |
| WO2024161114A1 (en) | One-way valve | |
| JP2022116653A (ja) | マスクおよびフィルタパッケージ | |
| NL49614C (enrdf_load_stackoverflow) |