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FR2755021B1 - Soupape anti-retour, dispositif respiratoire, masque, casque et scaphandre de protection - Google Patents

Soupape anti-retour, dispositif respiratoire, masque, casque et scaphandre de protection

Info

Publication number
FR2755021B1
FR2755021B1 FR9613347A FR9613347A FR2755021B1 FR 2755021 B1 FR2755021 B1 FR 2755021B1 FR 9613347 A FR9613347 A FR 9613347A FR 9613347 A FR9613347 A FR 9613347A FR 2755021 B1 FR2755021 B1 FR 2755021B1
Authority
FR
France
Prior art keywords
scaphander
helmet
mask
protective
return 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 - Fee Related
Application number
FR9613347A
Other languages
English (en)
Other versions
FR2755021A1 (fr
Inventor
Claude Pascal Berend
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.)
Comasec International SA
Original Assignee
Comasec International SA
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 Comasec International SA filed Critical Comasec International SA
Priority to FR9613347A priority Critical patent/FR2755021B1/fr
Publication of FR2755021A1 publication Critical patent/FR2755021A1/fr
Application granted granted Critical
Publication of FR2755021B1 publication Critical patent/FR2755021B1/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
    • 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
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring

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)
  • Respiratory Apparatuses And Protective Means (AREA)
FR9613347A 1996-10-31 1996-10-31 Soupape anti-retour, dispositif respiratoire, masque, casque et scaphandre de protection Expired - Fee Related FR2755021B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9613347A FR2755021B1 (fr) 1996-10-31 1996-10-31 Soupape anti-retour, dispositif respiratoire, masque, casque et scaphandre de protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9613347A FR2755021B1 (fr) 1996-10-31 1996-10-31 Soupape anti-retour, dispositif respiratoire, masque, casque et scaphandre de protection

Publications (2)

Publication Number Publication Date
FR2755021A1 FR2755021A1 (fr) 1998-04-30
FR2755021B1 true FR2755021B1 (fr) 1998-11-27

Family

ID=9497247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613347A Expired - Fee Related FR2755021B1 (fr) 1996-10-31 1996-10-31 Soupape anti-retour, dispositif respiratoire, masque, casque et scaphandre de protection

Country Status (1)

Country Link
FR (1) FR2755021B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1586121A (fr) * 1968-07-11 1970-02-13
US4007758A (en) * 1976-01-14 1977-02-15 Mine Safety Appliances Company Respirator pressure-demand exhalation valve
GB8800846D0 (en) * 1988-01-14 1988-02-17 Changestart Ltd Exhalation valve
US5385141A (en) * 1992-04-16 1995-01-31 Siebe North, Inc. Speech diaphragm and exhalation valve
SE504000C2 (sv) * 1995-02-20 1996-10-14 Comasec International Sa Ansiktsmask för andning av gas från förråd eller den omgivande atmosfären

Also Published As

Publication number Publication date
FR2755021A1 (fr) 1998-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse