| 发明名称 |
Method of making profiled retroreflective marking material |
| 摘要 |
A method of making a retroreflective article comprising on the top surface thereof a retroreflective sheet that comprises a monolayer of retroreflective elements wherein first portions of the monolayer are arranged in a contoured profile and second portions of the monolayer are arranged a substantially planar position.
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| 申请公布号 |
US6303058(B1) |
申请公布日期 |
2001.10.16 |
| 申请号 |
US19980183831 |
申请日期 |
1998.10.30 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
KELLEY MICHELE H.;BAILEY TERRY;WILSON BRUCE B.;FRANK JOHN W.;SCHUELER DAVE G.;NGUYEN THANH-HUONG THI;NAKAYAMA NAOKI;STUMP LARRY K.;HAUNSCHILD DALE H. |
| 分类号 |
E01F9/015;E01F9/03;E01F9/04;G02B5/128;(IPC1-7):B29D11/00 |
主分类号 |
E01F9/015 |
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