| 摘要 |
By a method and a plant for producing polyurethane foam products foaming reagents (12) are fed to a mould lined with paper (3, 4) which is movable by means of a conveyor belt (2), said paper linings (3, 4) being unrolled from rolls (5, 11). The reagents are mixed in a mixer and fed through a pipe (10) and inlet pipes (8, 9) to a nozzle (7) having a vertical slit the length of which substantially corresponds to the desired height of the finished product. The reagents will thus be fed to the mould spread over its height so that the reagents will immediately adhere to the side paper (4), and will not be required to move vertically upwards from the bottom (3) of the mould so that the finished product gets a quite plane surface without cracks or other defects due to tensions between the side paper (4) and the foaming reagents (12). |
