Patent ID: 7487804

Claim:
Method for weaving pile fabrics having at least two different pile heights in a same pile row on a weaving machine of the gripper-Axminster type, comprising at least two pile yarn carriers ( 2 , 3 ) separately controlled for the selection, according to a pattern to be woven, of one or several pile yarns ( 4 ) being presented, in a position selected, to a gripper ( 1 ) driven by an oscillating gripper shaft, provided to draw the selected pile yarn ( 4 ) off the pile yarn carrier ( 2 , 3 ), throughout a length desired, by rotating the gripper shaft, the said weaving machine furthermore comprising a cutting device ( 6 ) to cut through the pile yarns ( 4 ) selected after the selection, and this pile yarn ( 4 ) being inserted into the fabric, after the pile warp yarn ( 4 ) having been cut through, characterized in that the method is comprising the following stages: bringing the one or several pile yarn carriers ( 3 ) out of reach of the cutting device ( 6 ) by means of their separate drives; cutting through, by means of a first cutting motion of the cutting device ( 6 ) , the pile yarns ( 4 ) selected which are in the pile yarn carriers ( 2 ), which are positioned in the reach of the cutting device ( 6 ) in order to obtain pile yarns having a first pile height; returning, by means of their separate drives, at least a first part of the pile yarn carriers ( 3 ) into their positions in which they will present the pile yarn selected in the position ( 5 ) selected; performing an additional rotation of the gripper shaft, drawing the pile yarns selected, which are situated in the in the said first part of the pile yarn carriers ( 3 ), further off these pile yarn carriers; cutting through, by means of a second cutting motion of the cutting device ( 6 ), the pile yarns having been drawn off further, in order to obtain pile yarns with a second pile height.