Patent ID: 6945280

Claim:
Method for weaving pile fabrics on a face-to-face weaving machine, where, in successive insertion cycles, weft yarns ( 1 - 12 ) are inserted between binding warp yarns ( 13 - 16 ) and pile warp yarns ( 17 - 24 ), so that two backing fabrics ( 30 ), ( 31 ) are woven one above the another, in which groups of at least four weft yarns ( 1 - 6 ); ( 7 - 12 ) are inserted in respective openings between repeatedly crossing binding warp yarns ( 13 ), ( 14 ); ( 15 ), ( 16 ), and so that pile warp yarns ( 18 ), ( 21 ), ( 24 ) are interlaced over a weft yarn ( 2 ), ( 5 ), ( 8 ), ( 11 ) in the upper ( 30 ) and lower backing fabric ( 31 ) alternately in order to form pile burls, wherein during the successive insertion cycles each time at least two weft yarns ( 1 , 11 , 12 ), ( 2 , 3 , 7 ), ( 4 , 8 , 9 ), ( 5 , 6 , 10 ) are inserted, so that each group of weft yarns ( 1 - 6 ); ( 7 - 12 ) comprises at least two pairs of weft yarns ( 2 , 3 ), ( 5 , 6 ), ( 8 , 9 ), ( 11 , 12 ), being inserted one above the other and in that the pile warp yarns ( 18 ), ( 21 ), ( 24 ) are interlaced each time over the weft yarns ( 2 ), ( 5 ), ( 8 ), ( 11 ) of these pairs, situated on the back.