GB1152581A - Closure Means for Ventilation Shafts. - Google Patents

Closure Means for Ventilation Shafts.

Info

Publication number
GB1152581A
GB1152581A GB2332566A GB2332566A GB1152581A GB 1152581 A GB1152581 A GB 1152581A GB 2332566 A GB2332566 A GB 2332566A GB 2332566 A GB2332566 A GB 2332566A GB 1152581 A GB1152581 A GB 1152581A
Authority
GB
United Kingdom
Prior art keywords
closure
pressure
pipe
piston
reservoir
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
GB2332566A
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.)
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
Publication of GB1152581A publication Critical patent/GB1152581A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measurement Of Radiation (AREA)
  • Air-Flow Control Members (AREA)
GB2332566A 1965-07-05 1966-05-25 Closure Means for Ventilation Shafts. Expired GB1152581A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB82684A DE1257019B (de) 1965-07-05 1965-07-05 Verschlusseinrichtung fuer Belueftungskanaele von Schutzbauten

Publications (1)

Publication Number Publication Date
GB1152581A true GB1152581A (en) 1969-05-21

Family

ID=6981607

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2332566A Expired GB1152581A (en) 1965-07-05 1966-05-25 Closure Means for Ventilation Shafts.

Country Status (5)

Country Link
AT (1) AT257882B (enExample)
CH (1) CH448758A (enExample)
DE (1) DE1257019B (enExample)
GB (1) GB1152581A (enExample)
SE (1) SE321618B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073403A3 (en) * 1981-08-28 1983-04-27 Brown Boveri Reaktor Gmbh Device for blending the atmosphere enclosed in the spaces arranged in the interior of the safety container of a nuclear reactor
CN118808836A (zh) * 2024-08-14 2024-10-22 中铁六局集团有限公司 一种封闭风井内管道焊接工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064552A (en) * 1960-01-08 1962-11-20 American Mach & Foundry Blast actuated closures
GB945782A (en) * 1961-07-03 1964-01-08 Margot Von Linsingen Self-closing cover plate for air shafts or emergency exits of shelters, particularlyunderground shelters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073403A3 (en) * 1981-08-28 1983-04-27 Brown Boveri Reaktor Gmbh Device for blending the atmosphere enclosed in the spaces arranged in the interior of the safety container of a nuclear reactor
CN118808836A (zh) * 2024-08-14 2024-10-22 中铁六局集团有限公司 一种封闭风井内管道焊接工艺

Also Published As

Publication number Publication date
SE321618B (enExample) 1970-03-09
DE1257019B (de) 1967-12-21
CH448758A (de) 1967-12-15
AT257882B (de) 1967-10-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees