| 摘要 |
The hood according to the invention comprises a front panel 5, a rear panel 1 and two side panels 3. It is characterised in that the front panel 5 is fixed to the side panels 3 by means of sheet metal sections comprising a corner wall 7 bent into an angle, a number of first sheet metal folds 8, each connected continuously to one edge of the corner wall 7, and a number of second sheet metal folds 9, each connected continuously to one edge of the first fold 8 opposite the edge of the corner wall 7, each first and second fold being separated from the each other by a distance such as to allow a panel to be inserted between them. <IMAGE>
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