| 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 |
US2014233102(A1) |
申请公布日期 |
2014.08.21 |
| 申请号 |
US201214234241 |
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 |
G02B5/128 |
主分类号 |
G02B5/128 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A pavement marker, comprising
a core from which extends protrusions; a cavity between adjacent protrusions; and microsphere lenses; wherein 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. |
| 地址 |
St. Paul MN US |
