| 摘要 |
The glue coated chips and/or fibres are passed through suitable sieve arrangement which separates the material by its size into collection chambers which each accommodate only a certain particle size range. Thence the material passes on travelling belt onto a main belt. The layers from different collectors are arranged in order of fineness so that the finest material is used for the covering layers and the coarsest sizes are at the centre of the board. |
