| 摘要 |
A fire-resisting door comprising a frame and a leaf resistant to fire. The leaf comprises a rectangular vertical panel 6 consisting of two steel plates 7 and a core 8 in a composite material positioned between the two plates 7 and fixing the plates to each other. The leaf also includes a structure frame 12 formed of tubular metal sections fixed rigidly in a removable way on one side of the panel, an exterior surround 14 covering the edges of the panel 6 and means of fixing 40 a device 5 for opening the leaf by pressing towards the leaf. The means of fixing 40 comprise two horizontal tubular metal sections fixed on one side of one of the plates of the panel and on the other side in a removable way to a sheet of metal integral with the device 5. <IMAGE>
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