FR791607A - Soupape d'expiration pour appareils protecteurs - Google Patents

Soupape d'expiration pour appareils protecteurs

Info

Publication number
FR791607A
FR791607A FR791607DA FR791607A FR 791607 A FR791607 A FR 791607A FR 791607D A FR791607D A FR 791607DA FR 791607 A FR791607 A FR 791607A
Authority
FR
France
Prior art keywords
protective devices
exhalation valve
exhalation
valve
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
Application number
Other languages
English (en)
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.)
DEGEA AG
Original Assignee
DEGEA AG
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 DEGEA AG filed Critical DEGEA AG
Application granted granted Critical
Publication of FR791607A publication Critical patent/FR791607A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR791607D 1934-06-28 1935-06-21 Soupape d'expiration pour appareils protecteurs Expired FR791607A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE791607X 1934-06-28

Publications (1)

Publication Number Publication Date
FR791607A true FR791607A (fr) 1935-12-14

Family

ID=6704590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791607D Expired FR791607A (fr) 1934-06-28 1935-06-21 Soupape d'expiration pour appareils protecteurs

Country Status (1)

Country Link
FR (1) FR791607A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756881A2 (fr) * 1995-08-04 1997-02-05 RACAL HEALTH & SAFETY LIMITED Clapet antiretour
US7117868B1 (en) 1992-05-29 2006-10-10 3M Innovative Properties Company Fibrous filtration face mask having a new unidirectional fluid valve
US7311104B2 (en) 1992-05-29 2007-12-25 3M Innovative Properties Company Method of making a filtering face mask that has an exhalation valve
US7428903B1 (en) 1992-05-29 2008-09-30 3M Innovative Properties Company Fibrous filtration face mask having a new unidirectional fluid valve
USRE43289E1 (en) 1995-08-04 2012-04-03 3M Innovative Properties Company Uni-directional fluid valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7117868B1 (en) 1992-05-29 2006-10-10 3M Innovative Properties Company Fibrous filtration face mask having a new unidirectional fluid valve
US7311104B2 (en) 1992-05-29 2007-12-25 3M Innovative Properties Company Method of making a filtering face mask that has an exhalation valve
US7428903B1 (en) 1992-05-29 2008-09-30 3M Innovative Properties Company Fibrous filtration face mask having a new unidirectional fluid valve
US7493900B1 (en) 1992-05-29 2009-02-24 3M Innovative Properties Company Fibrous filtration face mask having a new unidirectional fluid valve
EP0756881A2 (fr) * 1995-08-04 1997-02-05 RACAL HEALTH & SAFETY LIMITED Clapet antiretour
EP0756881A3 (fr) * 1995-08-04 1998-03-11 RACAL HEALTH & SAFETY LIMITED Clapet antiretour
EP1203599A3 (fr) * 1995-08-04 2003-02-12 Minnesota Mining And Manufacturing Company Masque facial avec filtre
USRE43289E1 (en) 1995-08-04 2012-04-03 3M Innovative Properties Company Uni-directional fluid valve

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