| 摘要 |
PROBLEM TO BE SOLVED: To provide a mattress structure, achieving reduction in manufacturing costs and personnel expenses, improving unit productivity, preventing contact noise between springs, and lengthening the life. SOLUTION: A mattress for a bed includes a spring assembly 10 formed by a number of springs 12 and a spiral coil 14 binding the springs 12. The mattress for a bed includes: one or several permeable reinforcement materials 20 disposed on at least one of the upper surface and the lower surface of the spring assembly 10; and a foam body 24 disposed on the outer surface of the permeable reinforcement material 20 and foamed. When the foam body 24 penetrating at least either a micro-hole or foam expanding hole 22 of the permeable reinforcement material 20 is foamed, the permeable reinforcement material 20 is made to exist in the foam body 24 to integrate the foam body 24 and the spring assembly 10 with each other. COPYRIGHT: (C)2007,JPO&INPIT
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