发明名称 Asymmetric retroreflective cube corner sheeting mold and sheeting formed therefrom
摘要 Laminae suitable for use in a mold suitable for use in forming retroreflective sheeting and methods of making such laminae are disclosed. A representative lamina includes a single row of geometric structures disposed on the working surface. Each geometric structure includes three faces arranged as a cube corner element and at least one additional face. A set of parallel grooves is included, each groove having one of the three faces of one geometric structure and the at least one additional face of an adjacent geometric structure as groove side surfaces.
申请公布号 US6114009(A) 申请公布日期 2000.09.05
申请号 US19990342812 申请日期 1999.06.29
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 SMITH, KENNETH L.
分类号 B29C33/00;B29C33/42;B29D11/00;B32B3/00;B32B27/00;G02B5/122;G02B5/124;(IPC1-7):B32B3/28 主分类号 B29C33/00
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