| 摘要 |
The invention relates to a composite product formed of flock - to which is added a binder - obtained by shredding a felt (1) based on insulating mineral fibres. The said flock is obtained by means of a carding device for a felt of insulating mineral fibres, which device comprises a unit (2, 3) for feeding in the felt, a brush equipped with flexible bristles (5), and a comb (7). <IMAGE> |
