Industrial two-layered fabric

Abstract

[Task] To provide an industrial two-layered fabric with a long durability which exhibits an excellent surface smoothness and excellent marking characteristics, while at the same time improving wear resistance characteristics to balance warps and wefts.[Solution to the Task] The industrial two-layered fabric formed by binding at least one upper surface side fabric constituted by upper surface side warps and upper surface side wefts and at least one lower surface side fabric constituted by lower surface side warps and lower surface side wefts, by binding yarns, a portion of said lower surface side warps is woven with said upper surface side wefts to constitute binding yarns of the lower surface side warps serving as the binding yarn binding said at least one upper surface side fabric and said at least one lower surface side fabric, diameters of said binding yarns of the lower surface side warps are set to be the same as diameters of said upper surface side warps, and diameters of all of the lower surface side warps not serving as the binding yarns are set to be the same and larger than diameters of said upper surface side warps and said binding yarns of the lower surface side warps.

1 . The industrial two-layered fabric formed by binding at least one upper surface side fabric constituted by upper surface side warps and upper surface side wefts and at least one lower surface side fabric constituted by lower surface side warps and lower surface side wefts, by binding yarns, a portion of said lower surface side warps is woven with said upper surface side wefts to constitute binding yarns of the lower surface side warps serving as the binding yarn binding said at least one upper surface side fabric and said at least one lower surface side fabric, diameters of said binding yarns of the lower surface side warps are set to be the same as diameters of said upper surface side warps, and diameters of all of the lower surface side warps not serving as the binding yarns are set to be the same and larger than diameters of said upper surface side warps and said binding yarns of the lower surface side warps. 
     
     
         2 . The industrial two-layered fabric formed by binding at least one upper surface side fabric constituted by upper surface side warps and upper surface side wefts and at least one lower surface side fabric constituted by lower surface side warps and lower surface side wefts, by binding yarns, a portion of said lower surface side warps is woven with said upper surface side wefts to constitute binding yarns of the lower surface side warps serving as the binding yarn binding said at least one upper surface side fabric and said at least one lower surface side fabric, a portion of said upper surface side warps is woven with said lower surface side wefts to constitute binding yarns of the upper surface side warps serving as the binding yarn binding said at least one upper surface side fabric and said at least one lower surface side fabric, diameters of all of said binding yarns of the lower surface side warps, said upper surface side warps and said binding yarns of the upper surface side warps are set to be the same, and diameters of all of the lower surface side warps not serving as the binding yarns are set to be the same and larger than diameters of said upper surface side warps, said binding yarns of the upper surface side warps and said binding yarns of the lower surface side warps. 
     
     
         3 . The industrial two-layer layered fabric according to  claim 1 , wherein the difference of the diameters among said upper surface side warps, said binding yarns of the lower surface side warps and said lower surface side warps are set be within a range of the following equation.
   the diameter of lower surface side warp(φ)/the diameter of upper surface side warp or binding yarn of the lower surface side warp(φ)=1<φ<=2
   
     
     
         4 . The industrial two-layer layered fabric according to  claim 2 , wherein the difference of the diameters among said upper surface side warps, said binding yarns of the upper surface side warps, said binding yarns of the lower surface side warps and said lower surface side warps are set be within a range of the following equation.
   the diameter of lower surface side warp(φ)/the diameter of upper surface side warp or binding yarn of the upper surface side warp and binding yarn of the lower surface side warp(φ)=1<φ<=2
   
     
     
         5 . The industrial two-layer layered fabric according to  claim 1 , wherein the difference of the diameters of said lower surface side warps not serving as the binding yarns and said lower surface side wefts are set to be within a range of the following equation.
   the diameter of lower surface side warp not serving as the binding yarn(φ)/the diameter of lower surface side weft(φ)=1<φ<=2.5