Les économies d''énergie et de matières sont intégrées maintenant dans la conception des machines. Pour l''encollage, l''essor de la technique de « pré-mouillage » apporte des gains significatifs dans la consommation de celle, avec un accroissement de la qualité et un processus de désemcoiiage plus aisé à mettre en œuvre.%Whilst at ITMA 95 several new techniques had been launched such as warp pre-drying by infrareds, at ITMA 99 the new advanced equipment exhibited rather concerned the pre-wetting of the warp, with even the possibility of retrofitting equipment onto existing lines. Other interesting systems were offered for the control of the quantity of size deposited and the humidity content of the warp at the exit of the sizing machine. Although the world consumption of denim fabrics is decreasing, the manufacturers of indigo lines paid great attention to denim, more specially in relation with the absence or the control of oxygen in coloured baths.
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