发明名称 |
Retroreflective article having at least one valve and method of making same |
摘要 |
A retroreflective article having at least one valve is disclosed. Each valve may include a channel extending from a first major surface to a second major surface of the retroreflective material, and at least one movable member proximate the channel. The at least one movable member is movable between a closed position and an open position. When in the closed position, the at least one movable member obstructs at least a portion of the channel. A method of making a retroreflective article having at least one valve is also disclosed.
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申请公布号 |
US2006103935(A1) |
申请公布日期 |
2006.05.18 |
申请号 |
US20040989667 |
申请日期 |
2004.11.16 |
申请人 |
MARECKI PAUL E;MITCHELL JAMES G |
发明人 |
MARECKI PAUL E.;MITCHELL JAMES G. |
分类号 |
G02B5/128 |
主分类号 |
G02B5/128 |
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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