发明名称 |
Optimized construction of retroreflective articles for curved applications |
摘要 |
Retroreflective cube corner elements are arranged within layered articles at positions proximate a neutral axis to optimize their performance upon bending or twisting of the article. The elements and surfacs may be embodied in flexible sheeting materials suitable for curving about an object.
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申请公布号 |
US5189553(A) |
申请公布日期 |
1993.02.23 |
申请号 |
US19920895275 |
申请日期 |
1992.06.08 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
SMITH, KENNETH L. |
分类号 |
G02B5/124 |
主分类号 |
G02B5/124 |
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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