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
Application number
FR9202797A
Other languages
English (en)
Other versions
FR2688287A1 (fr
Inventor
Enjalric Raoul
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
Priority to FR9202797A priority Critical patent/FR2688287B1/fr
Publication of FR2688287A1 publication Critical patent/FR2688287A1/fr
Application granted granted Critical
Publication of FR2688287B1 publication Critical patent/FR2688287B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
FR9202797A 1992-03-03 1992-03-03 Clapet anti-retour a double sortie pour combinaison de protection. Expired - Fee Related FR2688287B1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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