FR2688287B1 - Clapet anti-retour a double sortie pour combinaison de protection. - Google Patents
Clapet anti-retour a double sortie pour combinaison de protection.Info
- Publication number
- FR2688287B1 FR2688287B1 FR9202797A FR9202797A FR2688287B1 FR 2688287 B1 FR2688287 B1 FR 2688287B1 FR 9202797 A FR9202797 A FR 9202797A FR 9202797 A FR9202797 A FR 9202797A FR 2688287 B1 FR2688287 B1 FR 2688287B1
- Authority
- FR
- France
- Prior art keywords
- return valve
- double outlet
- outlet non
- protective combination
- protective
- 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 - Fee Related
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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
-
- 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
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Pulmonology (AREA)
- Toxicology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9202797A FR2688287B1 (fr) | 1992-03-03 | 1992-03-03 | Clapet anti-retour a double sortie pour combinaison de protection. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9202797A FR2688287B1 (fr) | 1992-03-03 | 1992-03-03 | Clapet anti-retour a double sortie pour combinaison de protection. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2688287A1 FR2688287A1 (fr) | 1993-09-10 |
FR2688287B1 true FR2688287B1 (fr) | 1994-07-01 |
Family
ID=9427502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9202797A Expired - Fee Related FR2688287B1 (fr) | 1992-03-03 | 1992-03-03 | Clapet anti-retour a double sortie pour combinaison de protection. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2688287B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7028689B2 (en) | 2001-11-21 | 2006-04-18 | 3M Innovative Properties Company | Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap |
US20080271739A1 (en) | 2007-05-03 | 2008-11-06 | 3M Innovative Properties Company | Maintenance-free respirator that has concave portions on opposing sides of mask top section |
US9770611B2 (en) | 2007-05-03 | 2017-09-26 | 3M Innovative Properties Company | Maintenance-free anti-fog respirator |
EP3021950B1 (fr) | 2013-07-15 | 2023-08-30 | 3M Innovative Properties Company | Appareil de protection respiratoire présentant un clapet d'expiration optiquement actif |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT155902B (de) * | 1937-06-24 | 1939-04-11 | Worthington Pumpen U Maschb Ge | Plattenventil, insbesondere für Kompressoren. |
FR2253173A1 (en) * | 1973-11-30 | 1975-06-27 | Enjalric Raoul | Non return safety valve - fitted to safety suits or divers suits, is made entirely out of flexible material |
FR2585105A1 (fr) * | 1985-07-18 | 1987-01-23 | Delorme Francis | Soupape a membrane et vetement de protection ventile pourvu d'une telle soupape |
FR2641597B1 (fr) * | 1989-01-11 | 1991-04-26 | Enjalric Raoul | Clapet antiretour pour combinaison de protection |
-
1992
- 1992-03-03 FR FR9202797A patent/FR2688287B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2688287A1 (fr) | 1993-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse | ||
RN | Application for restoration | ||
FC | Favourable decision of inpi director general on an application for restauration. | ||
ST | Notification of lapse |