FI915836A - Utegaller - Google Patents

Utegaller Download PDF

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Publication number
FI915836A
FI915836A FI915836A FI915836A FI915836A FI 915836 A FI915836 A FI 915836A FI 915836 A FI915836 A FI 915836A FI 915836 A FI915836 A FI 915836A FI 915836 A FI915836 A FI 915836A
Authority
FI
Finland
Prior art keywords
grating
bars
outdoor
leading
orifices
Prior art date
Application number
FI915836A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI915836A0 (en
FI92871B (en
FI92871C (en
Inventor
Isto Rantanen
Original Assignee
Isto Rantanen
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 Isto Rantanen filed Critical Isto Rantanen
Priority to FI915836A priority Critical patent/FI92871C/en
Publication of FI915836A0 publication Critical patent/FI915836A0/en
Publication of FI915836A publication Critical patent/FI915836A/en
Publication of FI92871B publication Critical patent/FI92871B/en
Application granted granted Critical
Publication of FI92871C publication Critical patent/FI92871C/en

Links

Abstract

Outdoor grating, which is intended to be placed in the inlet opening of an air duct leading to an interior room space and which grating comprises a frame 1, 2, between the vertical parts 1 of which there are grating bars 3. The grating bars are hollow and in the leading or outside edges of the bars there are orifices 4, positive pressure having been generated inside the bars, by means of a fan 5, for example, which produces an air flow directed evenly outwards in front of the outdoor grating. <IMAGE>
FI915836A 1991-12-11 1991-12-11 The external louvre FI92871C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI915836A FI92871C (en) 1991-12-11 1991-12-11 The external louvre

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915836A FI92871C (en) 1991-12-11 1991-12-11 The external louvre
FI915836 1991-12-11

Publications (4)

Publication Number Publication Date
FI915836A0 FI915836A0 (en) 1991-12-11
FI915836A true FI915836A (en) 1993-06-12
FI92871B FI92871B (en) 1994-09-30
FI92871C FI92871C (en) 1995-01-10

Family

ID=8533652

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915836A FI92871C (en) 1991-12-11 1991-12-11 The external louvre

Country Status (1)

Country Link
FI (1) FI92871C (en)

Also Published As

Publication number Publication date
FI915836A0 (en) 1991-12-11
FI92871B (en) 1994-09-30
FI92871C (en) 1995-01-10

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed