| 摘要 |
A window sash rebate profile adapted to be made from plastic material and comprising a longitudinal condensate eduction channel having parallel sidewalls supporting the window rim sash the channel bottom being continued outwardly from the channel from wall into a window frame cover plate, a condensate reception gutter being attached to the outer side of the channel backwall at a short distance below the rim sash bottom, slit-shaped apertures through said backwall just above the bottom of said gutter leading into the said channel and similar openings through the channel front wall leading to the outside above the said cover plate.
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