Patent ID: 7896035
Filing Date: 2011-03-01
Classification: D21F,Y10T

Abstract:
1. An industrial multilayer fabric obtained by stacking at least upper side wefts and lower side wefts one after another and weaving them with warps, the industrial multilayer fabric having an upper side surface and a lower side surface comprising: a narrower weft which is arranged between the lower side wefts and is smaller than the lower side weft in diameter; a first crimp on the lower side surface formed by the narrower weft at a first place where the narrower weft passes under the warp or warps between first spots where the warps pass under the narrower weft; a second crimp on the lower side surface formed by the lower side weft at a second place where the lower side weft passes under the warps between second spots where the warps pass under the lower side weft, wherein a number of the warp or warps that pass over the first crimp is less than another number of the warps that pass over the second crimp; and a knuckle on the lower side surface formed by the warp that passes under the one lower side weft; wherein the two adjacent first crimps sandwich the knuckle or two adjacent knuckles in a repeating unit.