FR2071459A5
Expired / Lapsed
FR
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Extractor fan - with polypropylene mounting ring
Assignee: Calor SAS
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Filing: 1969-12-30
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Granted: 1971-09-17
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Expires: 1989-12-30
Abstract
Abstract Extractor fan for window fitting contains an electric motor driving a screw. A first rigid ring is for application to one face of the wall or window, and supports the central motor box, and an annular piece, with movable shutters. A frame integral with the annular piece is mounted, elastically jointed, in this piece to control the orientation of the shutters, and can be actuated. A second deformable ring, pref. of polypropylene is for application to the other face of the wall or window, facing the first ring, for fixing in position.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 02:49
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/007; F24F7/013
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