| 摘要 |
PROBLEM TO BE SOLVED: To provide a stacked cushion material, having the hardly fraying end parts and surrounding sewn parts of three-dimensional knitted fabrics even after repeated washing, and also excellent in body pressure-dispersing property and stuffiness prevention. SOLUTION: This cushion material is provided by stacking one piece or a multiple number of the three-dimensional knitted fabrics and/or one piece or multiple number of the three-dimensional knitted fabrics and the same of other raw materials, covering their outer periphery with an end part-covering material and sewing up, and constituting at least one side of the knitted fabrics in the surface and reverse surface knitted fabrics of the three-dimensional knitted fabrics with a mesh knitted fabric having 1-6 mm maximum mesh diameter A in the course direction of the mesh knitted fabric, 0.8-5 mm knitted fabric width B in the course direction between the meshes, 1.5-5.0 mm/stitch length C of a stitch at the sewing up part of the outer periphery, 0.5-5.0 ratio (C/B) of the knitted fabric width B to sewing stitch length C and 5-20 mm distance from the end part of the three-dimensional knitted fabric to the sewing up part. COPYRIGHT: (C)2006,JPO&NCIPI
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