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FR900119A - Check valve intended in particular for gas protection shelters - Google Patents

Check valve intended in particular for gas protection shelters

Info

Publication number
FR900119A
FR900119A FR900119DA FR900119A FR 900119 A FR900119 A FR 900119A FR 900119D A FR900119D A FR 900119DA FR 900119 A FR900119 A FR 900119A
Authority
FR
France
Prior art keywords
check valve
gas protection
valve intended
protection shelters
shelters
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)
Inventor
Otto Heinrich Drager
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 filed Critical
Application granted granted Critical
Publication of FR900119A publication Critical patent/FR900119A/en
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
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR900119D 1942-07-14 1943-11-25 Check valve intended in particular for gas protection shelters Expired FR900119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE900119X 1942-07-14

Publications (1)

Publication Number Publication Date
FR900119A true FR900119A (en) 1945-06-20

Family

ID=6850620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR900119D Expired FR900119A (en) 1942-07-14 1943-11-25 Check valve intended in particular for gas protection shelters

Country Status (1)

Country Link
FR (1) FR900119A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023771A (en) * 1960-03-08 1962-03-06 John K Hinds Check valve
FR2453340A1 (en) * 1979-04-06 1980-10-31 Transamerica Delaval Inc CHECK VALVE STRUCTURE
WO2008102444A1 (en) * 2007-02-21 2008-08-28 Tomoe Technical Research Company Ltd. Check valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3023771A (en) * 1960-03-08 1962-03-06 John K Hinds Check valve
FR2453340A1 (en) * 1979-04-06 1980-10-31 Transamerica Delaval Inc CHECK VALVE STRUCTURE
WO2008102444A1 (en) * 2007-02-21 2008-08-28 Tomoe Technical Research Company Ltd. Check valve

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