Inner springs for use in furniture and bedding and a producing method therefor |
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| 申请号 | EP98310806.9 | 申请日 | 1998-12-31 | 公开(公告)号 | EP0976678A3 | 公开(公告)日 | 2000-06-28 |
| 申请人 | Matsushita Industrial Co. Ltd.; | 发明人 | Eto, Hiroyuki; | ||||
| 摘要 | An inner spring (40), for use in furniture and bedding, comprising coil springs (2) which are cased, with their axes arranged in parallel, in cylindrical spring casings (39) having a predetermined number of spring casing portions continuously arranged in parallel, is characterized by that at least a part of the coil springs cased in the spring casing portions are set at different repulsion by varying their pitches and are set in place in the cylindrical spring casings to form a row of inner springs. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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