| 发明名称 |
RETROREFLECTIVE ELEMENTS |
| 摘要 |
The present application relates to a pavement marker including a core from which extends protrusions and a cavity between adjacent protrusions. The microsphere lenses are fixed within the cavity by one of a softening material disposed in the core and an adhesive agent disposed in the cavity. |
| 申请公布号 |
KR20140063819(A) |
申请公布日期 |
2014.05.27 |
| 申请号 |
KR20147009919 |
申请日期 |
2012.09.20 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SAITO JUNICHI;KASAI TOSHIHIRO;HIROSHIGE YUJI;YOSHIKAWA MAYUMI |
| 分类号 |
E01F9/06;G02B5/12;G02B5/128 |
主分类号 |
E01F9/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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