FI55767C - Brandbegraensare foer ventilationsanlaeggningar - Google Patents

Brandbegraensare foer ventilationsanlaeggningar

Info

Publication number: FI55767C
Authority: FI; Finland
Prior art keywords: ventilationsanlaeggningar; brandbegraensare; foer; foer ventilationsanlaeggningar; brandbegraensare foer
Prior art date: 1977-12-21

Application number

FI773886A

Other languages

English (en)

Finnish (fi)

Other versions

FI55767B (fi

Inventor

Seppo Halttunen

Erkki Aalto

Arvi Tolmunen

Original Assignee

Halton Oy

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.)

1977-12-21

Filing date

1977-12-21

Publication date

1979-10-10

1977-12-21 Application filed by Halton Oy filed Critical Halton Oy

1977-12-21 Priority to FI773886A priority Critical patent/FI55767C/fi

1978-12-20 Priority to NO784310A priority patent/NO784310L/no

1978-12-20 Priority to SE7813099A priority patent/SE7813099L/sv

1979-06-29 Publication of FI55767B publication Critical patent/FI55767B/fi

1979-10-10 Application granted granted Critical

1979-10-10 Publication of FI55767C publication Critical patent/FI55767C/fi

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)

FI773886A 1977-12-21 1977-12-21 Brandbegraensare foer ventilationsanlaeggningar FI55767C (fi)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
FI773886A FI55767C (fi)	1977-12-21	1977-12-21	Brandbegraensare foer ventilationsanlaeggningar
NO784310A NO784310L (no)	1977-12-21	1978-12-20	Brannbegrensere for ventilasjonsanlegg.
SE7813099A SE7813099L (sv)	1977-12-21	1978-12-20	Brandbegrensare for ventilationsanleggningar

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI773886A FI55767C (fi)	1977-12-21	1977-12-21	Brandbegraensare foer ventilationsanlaeggningar

Publications (2)

Publication Number	Publication Date
FI55767B FI55767B (fi)	1979-06-29
FI55767C true FI55767C (fi)	1979-10-10

Family

ID=8511342

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI773886A FI55767C (fi)	1977-12-21	1977-12-21	Brandbegraensare foer ventilationsanlaeggningar

Country Status (3)

Country	Link
FI (1)	FI55767C (sv)
NO (1)	NO784310L (sv)
SE (1)	SE7813099L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI122823B (sv)	2009-02-23	2012-07-13	Halton Oy	Brandbegränsare för en ventilationskanal och förfarande

1977
- 1977-12-21 FI FI773886A patent/FI55767C/fi not_active IP Right Cessation
1978
- 1978-12-20 NO NO784310A patent/NO784310L/no unknown
- 1978-12-20 SE SE7813099A patent/SE7813099L/sv unknown

Also Published As

Publication number	Publication date
FI55767B (fi)	1979-06-29
SE7813099L (sv)	1979-06-22
NO784310L (no)	1979-06-22

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Legal Events

Date	Code	Title	Description
1977-12-21	MA	Patent expired
2004-08-31	MA	Patent expired	Owner name: HALTON OY