Patent ID: 8448589

Claim:
A process to manufacture tufted backing materials comprising: a) providing a roll bearing a backing material, the backing material comprising a first side exhibiting a first color and a second side exhibiting a second color, wherein the first color is different from the second color, the first side is the front side and the second side is the rear side, b) unwinding the backing material from the roll in a first unwinding direction and guiding the backing material into a tufting device provided with tufting means, so that the first side exhibiting the first color faces the tufting means of the tufting device, c) tufting the backing material with the tufting means of the tufting device until a desired amount of a tufted backing material provided with tufts extending from the second side exhibiting the second color has been manufactured, d) cutting the backing material at a position between the roll bearing the backing material and the tufting device, e) rotating the roll bearing the backing material by an angle of 180° so that the first side exhibiting the first color is the rear side and the second side exhibiting the second color is the front side, f) unwinding the backing material from the roll in a second unwinding direction which is opposite to the first unwinding direction and guiding the backing material into the tufting device provided with tufting means, so that the second side exhibiting the second color faces the tufting means of the tufting device, and g) tufting the backing material with the tufting means of the tufting device until a desired amount of a tufted backing material provided with tufts extending from the first side exhibiting the first color has been manufactured.