| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the disassemblability of the spring units and the recyclability of the coils in the discarding of a pocket coil mattress by facilitating the removal of the coils with a simple operation. <P>SOLUTION: In the pocket coil mattress provided with a spring unit 100 which has a separate coil 2 placed in each bag body 1, a chain stitch sewn part 9 is so arranged as to be separably sewn together at a part of each bag body 1. In the disassembly of the spring unit, the chain stitch sewn part 9 is separated to enable the removal of the coil 2 from each bag body 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
