Belgian weaving machine manufacturer Picanol NV on Thursday posted an 83 per cent jump in first quarter net income to 7.6 million euros from 4.1m euros in 2002 on the back of higher sales. The Ieper-based company said turnover rose 35 per cent year-on-year to 167.4 million euros with operating profit up almost 40 per cent from the year prior to 11.2 million euros.