FI915836A - Utegaller - Google Patents
Utegaller Download PDFInfo
- 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
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>
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) |
-
1991
- 1991-12-11 FI FI915836A patent/FI92871C/en not_active IP Right Cessation
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 |