发明名称 Cube corner retroreflective sheeting having channels
摘要 Retroreflective sheeting comprising cube corner microstructure and having channels substantially parallel to a longitudinal, peripheral edge of the sheeting.
申请公布号 US9465147(B2) 申请公布日期 2016.10.11
申请号 US201314047062 申请日期 2013.10.07
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 Smith Kenneth L.
分类号 G02B5/124;B29D11/00 主分类号 G02B5/124
代理机构 代理人 Adamson Trisha D.
主权项 1. A retroreflective sheeting, comprising: full cube microstructured elements having non-triangular reflective faces and an average height ranging from about 0.001 inches to 0.010 inches; and channels that are substantially parallel to a longitudinal peripheral edge of a roll of the sheeting and wherein the channels are selected from a group consisting of primary groove channels, structured channels, and cube cavity channels; and wherein the full cube microstructures comprise a 1-2 dihedral angle error and a 1-3 dihedral angle error that are varied in opposition and differ in sign or magnitude by at least 1 arc minute.
地址 Saint Paul MN US