| 发明名称 |
COMPOSITE ROUGHENING AND RETROREFLECTING ELEMENT CONSISTING OF A CLUSTER, FOR HORIZONTAL ROAD MARKINGS |
| 摘要 |
A composite roughening and retroreflecting component for pigmented horizontal road marking film (5) consists of a cluster formed by a core (1) and by microspheres (3) positioned all around, and provides a roughening effect consequent to the size difference between the core and the microspheres. |
| 申请公布号 |
EP0322671(A3) |
申请公布日期 |
1990.03.14 |
| 申请号 |
EP19880121015 |
申请日期 |
1988.12.15 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
EIGENMANN, LUDWIG DR. |
| 分类号 |
E01F9/00;B29D11/00;E01F9/04;E01F9/08;G09F13/16 |
主分类号 |
E01F9/00 |
| 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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