NL7502902A - OPENING DEVICE FOR HINGED COVERING OF A DRAIN OPENING. - Google Patents

OPENING DEVICE FOR HINGED COVERING OF A DRAIN OPENING.

Info

Publication number
NL7502902A
NL7502902A NL7502902A NL7502902A NL7502902A NL 7502902 A NL7502902 A NL 7502902A NL 7502902 A NL7502902 A NL 7502902A NL 7502902 A NL7502902 A NL 7502902A NL 7502902 A NL7502902 A NL 7502902A
Authority
NL
Netherlands
Prior art keywords
opening
drain
hinged covering
opening device
hinged
Prior art date
Application number
NL7502902A
Other languages
Dutch (nl)
Other versions
NL162708B (en
NL162708C (en
Original Assignee
Delog Detag Flachglas Ag
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 Delog Detag Flachglas Ag filed Critical Delog Detag Flachglas Ag
Publication of NL7502902A publication Critical patent/NL7502902A/en
Publication of NL162708B publication Critical patent/NL162708B/en
Application granted granted Critical
Publication of NL162708C publication Critical patent/NL162708C/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
NL7502902.A 1974-03-12 1975-03-11 DEVICE FOR OPENING A HINGE ON THE EDGE EDGE IN A ROOF VENTILATION VALVE. NL162708C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2411641A DE2411641C2 (en) 1974-03-12 1974-03-12 Opening device for a roof vent that is hinged to the structure and can be opened upwards

Publications (3)

Publication Number Publication Date
NL7502902A true NL7502902A (en) 1975-09-16
NL162708B NL162708B (en) 1980-01-15
NL162708C NL162708C (en) 1980-06-16

Family

ID=5909744

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502902.A NL162708C (en) 1974-03-12 1975-03-11 DEVICE FOR OPENING A HINGE ON THE EDGE EDGE IN A ROOF VENTILATION VALVE.

Country Status (4)

Country Link
BE (1) BE826599A (en)
DE (1) DE2411641C2 (en)
FR (1) FR2264159A1 (en)
NL (1) NL162708C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617934C2 (en) * 1976-04-23 1982-12-30 Klaus Esser Gmbh & Co Kg, 4040 Neuss Device for ventilating and extracting smoke and heat from rooms
FR2545869B2 (en) * 1982-11-26 1989-08-18 Renaud Thierry OPENING MECHANISM OF A SMOKE OUTLET
FR2536778B1 (en) * 1982-11-26 1985-07-05 Renaud Thierry OPENING MECHANISM OF A SMOKE OUTLET
FR2539177B1 (en) * 1983-01-07 1987-01-30 Sigma Plastique DEVICE FOR THE FULL OPENING OF LAMPS OR SAFETY OUTLETS IN THE EVENT OF FIRE
FR2542360B1 (en) * 1983-03-11 1987-10-09 Alcaud Sa MOBILE HATCH DEVICE, PARTICULARLY FOR SMOKING
FR2614916B1 (en) * 1987-05-05 1992-08-14 Haras Ind MANEUVERING MECHANISM OF THE SMOKE OUTLET CUP

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778632A (en) * 1955-02-28 1957-01-22 Mercier Jean Door actuating mechanism
US3251158A (en) * 1963-06-17 1966-05-17 Plastic Products Of Texas Inc Automatic roof vent
US3557497A (en) * 1968-09-11 1971-01-26 Robertson Co H H Explosive pressure and/or heat and smoke venting unit

Also Published As

Publication number Publication date
BE826599A (en) 1975-06-30
FR2264159A1 (en) 1975-10-10
DE2411641A1 (en) 1975-09-25
NL162708B (en) 1980-01-15
DE2411641C2 (en) 1982-08-12
FR2264159B3 (en) 1977-11-18
NL162708C (en) 1980-06-16

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee