| 摘要 |
PURPOSE:To provide the mattress having moderate hardness and flexibility, being excellent in bendability and gas permeability, and especially, being suitable for a floor plate undulation type bed. CONSTITUTION:As for padding 3, on the surface and the reverse side of a cushion material made of nonwoven cloth, many groove parts 2 are formed in the horizontal direction. The groove parts 2 are formed so as to alternate with each other roughly between the groove parts whose surface and reverse side are opposed to each other. |
