FR1310839A - Self-closing blanking cover for ventilation ducts and emergency exits of shelters, especially underground - Google Patents

Self-closing blanking cover for ventilation ducts and emergency exits of shelters, especially underground

Info

Publication number
FR1310839A
FR1310839A FR881138A FR881138A FR1310839A FR 1310839 A FR1310839 A FR 1310839A FR 881138 A FR881138 A FR 881138A FR 881138 A FR881138 A FR 881138A FR 1310839 A FR1310839 A FR 1310839A
Authority
FR
France
Prior art keywords
shelters
self
blanking cover
ventilation ducts
emergency exits
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
FR881138A
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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Priority to FR881138A priority Critical patent/FR1310839A/en
Application granted granted Critical
Publication of FR1310839A publication Critical patent/FR1310839A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B13/00—Special devices for ventilating gasproof shelters
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/006—Safety valves; Equalising valves, e.g. pressure relief valves specially adapted for shelters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR881138A 1961-12-06 1961-12-06 Self-closing blanking cover for ventilation ducts and emergency exits of shelters, especially underground Expired FR1310839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR881138A FR1310839A (en) 1961-12-06 1961-12-06 Self-closing blanking cover for ventilation ducts and emergency exits of shelters, especially underground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR881138A FR1310839A (en) 1961-12-06 1961-12-06 Self-closing blanking cover for ventilation ducts and emergency exits of shelters, especially underground

Publications (1)

Publication Number Publication Date
FR1310839A true FR1310839A (en) 1962-11-30

Family

ID=8768177

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881138A Expired FR1310839A (en) 1961-12-06 1961-12-06 Self-closing blanking cover for ventilation ducts and emergency exits of shelters, especially underground

Country Status (1)

Country Link
FR (1) FR1310839A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442050A (en) * 1968-04-12 1969-05-06 Motor Coach Ind Ltd Pneumatic window operating device
DE1559706B1 (en) * 1965-06-03 1971-02-11 Esser Kg Klaus Emergency opening device for an upwardly pivoting dome light or the like.
CN114056790A (en) * 2021-11-18 2022-02-18 湖南有色冶金劳动保护研究院有限责任公司 Interlocking device for chemical tank

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1559706B1 (en) * 1965-06-03 1971-02-11 Esser Kg Klaus Emergency opening device for an upwardly pivoting dome light or the like.
US3442050A (en) * 1968-04-12 1969-05-06 Motor Coach Ind Ltd Pneumatic window operating device
CN114056790A (en) * 2021-11-18 2022-02-18 湖南有色冶金劳动保护研究院有限责任公司 Interlocking device for chemical tank
CN114056790B (en) * 2021-11-18 2023-03-21 湖南有色冶金劳动保护研究院有限责任公司 Interlocking device for chemical tank

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