FR724174A - Method and testing apparatus for verifying the tightness of protective gas masks - Google Patents

Method and testing apparatus for verifying the tightness of protective gas masks

Info

Publication number
FR724174A
FR724174A FR724174DA FR724174A FR 724174 A FR724174 A FR 724174A FR 724174D A FR724174D A FR 724174DA FR 724174 A FR724174 A FR 724174A
Authority
FR
France
Prior art keywords
tightness
verifying
testing apparatus
protective gas
gas masks
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
French (fr)
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Application granted granted Critical
Publication of FR724174A publication Critical patent/FR724174A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B27/00—Methods or devices for testing respiratory or breathing apparatus for high altitudes

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR724174D 1931-10-07 1931-10-07 Method and testing apparatus for verifying the tightness of protective gas masks Expired FR724174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR724174T 1931-10-07

Publications (1)

Publication Number Publication Date
FR724174A true FR724174A (en) 1932-04-22

Family

ID=9107613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724174D Expired FR724174A (en) 1931-10-07 1931-10-07 Method and testing apparatus for verifying the tightness of protective gas masks

Country Status (1)

Country Link
FR (1) FR724174A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903537C (en) * 1943-03-25 1954-02-08 Draegerwerk Ag Rotatable lay-up stand for oxygen breathing apparatus
US3363449A (en) * 1965-01-21 1968-01-16 Commissariat Energie Atomique Device for measuring the leaktightness of filtering masks
US3486366A (en) * 1968-12-23 1969-12-30 Albert W Jackson Method and apparatus for the testing and repair of oxygen breathing apparatus
US4905683A (en) * 1985-03-22 1990-03-06 Dragerwerk Aktiengesellschaft Respirator mask for positive pressure respirator equipment
NL1006227C2 (en) * 1997-02-27 1999-05-04 Draegerwerk Ag Mask test device.
WO2002034337A1 (en) * 2000-10-27 2002-05-02 3M Innovative Properties Company Automated respirator fit testing method and system
CN113510084A (en) * 2021-04-23 2021-10-19 吴铿豪 Gas permeability detection device of gauze mask

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903537C (en) * 1943-03-25 1954-02-08 Draegerwerk Ag Rotatable lay-up stand for oxygen breathing apparatus
US3363449A (en) * 1965-01-21 1968-01-16 Commissariat Energie Atomique Device for measuring the leaktightness of filtering masks
US3486366A (en) * 1968-12-23 1969-12-30 Albert W Jackson Method and apparatus for the testing and repair of oxygen breathing apparatus
US4905683A (en) * 1985-03-22 1990-03-06 Dragerwerk Aktiengesellschaft Respirator mask for positive pressure respirator equipment
NL1006227C2 (en) * 1997-02-27 1999-05-04 Draegerwerk Ag Mask test device.
BE1011684A3 (en) * 1997-02-27 1999-12-07 Draegerwerk Ag Masks tester.
WO2002034337A1 (en) * 2000-10-27 2002-05-02 3M Innovative Properties Company Automated respirator fit testing method and system
US6955170B1 (en) * 2000-10-27 2005-10-18 3M Innovative Properties Company Automated respirator fit testing method and system
AU2001247335B2 (en) * 2000-10-27 2007-09-13 3M Innovative Properties Company Automated respirator fit testing method and system
CN113510084A (en) * 2021-04-23 2021-10-19 吴铿豪 Gas permeability detection device of gauze mask

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