| 摘要 |
The present invention relates to a casement frame formed of a plurality of casement section pieces (2) placed end to end and having within it a housing space (3) to house a casement seal formed by glazing beads (4) associated with each of the casement section pieces (2) and being parallel therewith, the glazing beads (4) and the casement section pieces (2) wedging the seal between them, at least one corner piece (5) being positioned between two adjacent glazing beads (4) and having two legs (5a, 5b) making an angle between them, the free end (8) of each leg being connected to a respective glazing bead (4), the corner piece (5) having an opening (6) for fluidic communication from the inside to the outside positioned on the external edge face of each corner piece (5) and extending continuously along mutually adjacent portions of the two legs (5a, 5b) forming the external corner of the corner piece (5). |
