| 摘要 |
PCT No. PCT/JP95/02051 Sec. 371 Date Jun. 5, 1996 Sec. 102(e) Date Jun. 5, 1996 PCT Filed Oct. 6, 1995 PCT Pub. No. WO96/11303 PCT Pub. Date Apr. 18, 1996A reflecting sheet which comprises a transparent sheet capable of reflection by its reverse, said transparent sheet having the face which is partly or entirely constructed of a plurality of composite surfaces, each being a combination of a cylindrical surface inclined in one direction only and a curved or flat surface inclined in the opposite direction, said composite surfaces being contiguous or intermittent with a flat surface interposed between and being constructed such that a large part of their surface area is accounted for by the cylindrical surfaces, and also having the reverse which is constructed of a plurality of contiguous corner-cube prisms.
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