发明名称 |
Planar film construction for airports, has several perforations occupying specific area to transmit light separated by land area that reflects specific amount of incident light |
摘要 |
The construction (30) has an intermediate layer (34) arranged between a color layer (32) and an adhesive layer (36), and several perforations occupying 10-35% of the construction. About 50% of normal incident light is reflected by the land area, at adhesive layer separating the perforations and remaining light is transmitted through the perforations. |
申请公布号 |
DE10145477(A1) |
申请公布日期 |
2002.03.28 |
申请号 |
DE2001145477 |
申请日期 |
2001.09.14 |
申请人 |
3M INNOVATIVE PROPERTIES CO., SAINT PAUL |
发明人 |
AELING, ELLEN O.;STRAND, NEAL T. |
分类号 |
E01F9/00;B32B3/10;B32B3/26;B32B7/02;B32B27/06;F21V11/14;G02B5/00;G09F7/00;G09F13/04;(IPC1-7):G09F13/04 |
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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