NO780425L - DEVICE FOR SMOKE VACUUM HATCH. - Google Patents

DEVICE FOR SMOKE VACUUM HATCH.

Info

Publication number
NO780425L
NO780425L NO780425A NO780425A NO780425L NO 780425 L NO780425 L NO 780425L NO 780425 A NO780425 A NO 780425A NO 780425 A NO780425 A NO 780425A NO 780425 L NO780425 L NO 780425L
Authority
NO
Norway
Prior art keywords
vacuum hatch
smoke
smoke vacuum
hatch
vacuum
Prior art date
Application number
NO780425A
Other languages
Norwegian (no)
Other versions
NO144470C (en
NO144470B (en
Inventor
Sven Hoegedal
Original Assignee
Hoeganaes Ab
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 Hoeganaes Ab filed Critical Hoeganaes Ab
Publication of NO780425L publication Critical patent/NO780425L/en
Publication of NO144470B publication Critical patent/NO144470B/en
Publication of NO144470C publication Critical patent/NO144470C/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/123—Mechanisms in the shape of hinges or pivots, operated by springs with a torsion bar
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
NO780425A 1977-02-08 1978-02-07 DEVICE FOR SMOKE EVACUATION CLOSES. NO144470C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7701351A SE7701351L (en) 1977-02-08 1977-02-08 TORSION SPRING MECHANISM

Publications (3)

Publication Number Publication Date
NO780425L true NO780425L (en) 1978-08-09
NO144470B NO144470B (en) 1981-06-01
NO144470C NO144470C (en) 1981-09-09

Family

ID=20330390

Family Applications (1)

Application Number Title Priority Date Filing Date
NO780425A NO144470C (en) 1977-02-08 1978-02-07 DEVICE FOR SMOKE EVACUATION CLOSES.

Country Status (6)

Country Link
DE (1) DE2805266A1 (en)
DK (1) DK145238C (en)
FI (1) FI60759C (en)
GB (1) GB1587601A (en)
NO (1) NO144470C (en)
SE (1) SE7701351L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555351A (en) * 1978-10-18 1980-04-23 Ricoh Co Ltd Opening and closing device of gate
DE3415343A1 (en) * 1984-04-25 1985-11-07 EBB Beschlagtechnik GmbH, 7145 Markgröningen Flap stay

Also Published As

Publication number Publication date
DK145238C (en) 1983-03-07
DE2805266A1 (en) 1978-08-10
FI60759B (en) 1981-11-30
NO144470C (en) 1981-09-09
FI780338A (en) 1978-08-09
DK145238B (en) 1982-10-11
SE7701351L (en) 1978-08-09
FI60759C (en) 1982-03-10
DK48178A (en) 1978-08-09
NO144470B (en) 1981-06-01
GB1587601A (en) 1981-04-08

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