Multilayer composite high-elastic environmentally-friendly ball structure |
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| 申请号 | US15586276 | 申请日 | 2017-05-04 | 公开(公告)号 | US09950217B1 | 公开(公告)日 | 2018-04-24 |
| 申请人 | Cheng-Ming Chuang; | 发明人 | Cheng-Ming Chuang; | ||||
| 摘要 | The utility model discloses a multilayer composite high-elastic environmentally-friendly ball structure which comprises a base layer, a first coating layer, a second coating layer, a third coating layer and a fourth coating layer, wherein both the base layer and the first coating layer are formed by splicing a number of pieces into a hollow spherical structure, and a contact surface of two adjacent spliced pieces is a stepped surface in a “Z” shape or a concave-convex fitting surface in a “U” shape. The utility model have the advantages of simple manufacturing process, novel design, high stability, high reliability, high elasticity and long service life. | ||||||
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