公开(公告)号：US06318987B1

公开(公告)日：2001-11-20

申请号：US09636520

申请日：2000-08-09

申请人： Dan E. Luttrell ,  Robert L. Erwin ,  Kenneth L. Smith ,  Gerald M. Benson

发明人： Dan E. Luttrell ,  Robert L. Erwin ,  Kenneth L. Smith ,  Gerald M. Benson

IPC分类号： B41B1154

CPC分类号： B29D11/00625 ,  Y10S425/03

摘要： Laminae suitable for use in molds for forming retroreflective cube corner elements and methods for making such laminae are disclosed. A representative lamina includes a first row of cube corner elements disposed in a first orientation and a second row of optically opposing cube corner elements disposed. The working surface of a lamina is provided with a plurality of cube corner elements formed by the optical surfaces defined by three groove sets. Opposing first and second groove sets are formed in the working surface of a lamina. The first groove set forms a plurality of structures having first and second optical surfaces disposed in mutually perpendicular planes that intersect along a reference edge. The second groove set forms a corresponding plurality of structures on the opposite side of the lamina. A third groove is formed in the working surface of the lamina along an axis substantially perpendicular to the axes of the grooves of the first and second groove sets. The surfaces of the third groove intersect the surfaces of the plurality of structures in substantially mutually perpendicular planes to define a plurality of cube corner elements. A plurality of such laminae can be assembled to form a mold useful in the manufacture of retroreflective products such as cube corner sheeting.

公开(公告)号：US06386855B1

公开(公告)日：2002-05-14

申请号：US09965389

申请日：2001-09-27

申请人： Dan E. Luttrell ,  Robert L. Erwin ,  Kenneth L. Smith ,  Gerald M. Benson

发明人： Dan E. Luttrell ,  Robert L. Erwin ,  Kenneth L. Smith ,  Gerald M. Benson

IPC分类号： B41B1154

CPC分类号： B29D11/00625 ,  Y10S425/03

摘要： Laminae suitable for use in molds for forming retroreflective cube corner elements and methods for making such laminae are disclosed. A representative lamina includes a first row of cube corner elements disposed in a first orientation and a second row of optically opposing cube corner elements disposed. The working surface of a lamina is provided with a plurality of cube corner elements formed by the optical surfaces defined by three groove sets. Opposing first and second groove sets are formed in the working surface of a lamina. The first groove set forms a plurality of structures having first and second optical surfaces disposed in mutually perpendicular planes that intersect along a reference edge. The second groove set forms a corresponding plurality of structures on the opposite side of the lamina. A third groove is formed in the working surface of the lamina along an axis substantially perpendicular to the axes of the grooves of the first and second groove sets. The surfaces of the third groove intersect the surfaces of the plurality of structures in substantially mutually perpendicular planes to define a plurality of cube corner elements. A plurality of such laminae can be assembled to form a mold useful in the manufacture of retroreflective products such as cube corner sheeting.

摘要翻译： 公开了适合用于形成回射立方角元件的模具和制造这种薄片的方法的薄板。 代表性的薄片包括设置在第一方向上的第一排立体角元件和设置的光学相对立方角元件的第二排。 薄片的工作面设置有由三个凹槽组限定的光学表面形成的多个立体角元件。 相对的第一和第二凹槽组形成在层的工作表面中。 第一凹槽组形成多个结构，其具有设置在沿着参考边缘相交的相互垂直的平面中的第一和第二光学表面。 第二凹槽组在薄片的相对侧上形成相应的多个结构。 第三凹槽沿着基本上垂直于第一和第二凹槽组的凹槽的轴线的轴线形成在薄片的工作表面中。 第三凹槽的表面在大致相互垂直的平面上与多个结构的表面相交，以限定多个立体角元件。 可以组装多个这样的薄片以形成用于制造诸如立体角片材的回射产品的模具。

公开(公告)号：US06257860B1

公开(公告)日：2001-07-10

申请号：US09636730

申请日：2000-08-10

申请人： Dan E. Luttrell ,  Robert L. Erwin ,  Kenneth L. Smith ,  Gerald M. Benson

发明人： Dan E. Luttrell ,  Robert L. Erwin ,  Kenneth L. Smith ,  Gerald M. Benson

IPC分类号： B41B1154

CPC分类号： B29D11/00625 ,  Y10S425/03

摘要： Laminae suitable for use in molds for forming retroreflective cube corner elements and methods for making such laminae are disclosed. A representative lamina includes a first row of cube corner elements disposed in a first orientation and a second row of optically opposing cube corner elements disposed. The working surface of a lamina is provided with a plurality of cube corner elements formed by the optical surfaces defined by three groove sets. Opposing first and second groove sets are formed in the working surface of a lamina. The first groove set forms a plurality of structures having first and second optical surfaces disposed in mutually perpendicular planes that intersect along a reference edge. The second groove set forms a corresponding plurality of structures on the opposite side of the lamina. A third groove is formed in the working surface of the lamina along an axis substantially perpendicular to the axes of the grooves of the first and second groove sets. The surfaces of the third groove intersect the surfaces of the plurality of structures in substantially mutually perpendicular planes to define a plurality of cube corner elements. A plurality of such laminae can be assembled to form a mold useful in the manufacture of retroreflective products such as cube corner sheeting.

摘要翻译： 公开了适合用于形成回射立方角元件的模具和制造这种薄片的方法的薄板。 代表性的薄片包括设置在第一方向上的第一排立体角元件和设置的光学相对立方角元件的第二排。 薄片的工作面设置有由三个凹槽组限定的光学表面形成的多个立体角元件。 相对的第一和第二凹槽组形成在层的工作表面中。 第一凹槽组形成多个结构，其具有设置在沿着参考边缘相交的相互垂直的平面中的第一和第二光学表面。 第二凹槽组在薄片的相对侧上形成相应的多个结构。 第三凹槽沿着基本上垂直于第一和第二凹槽组的凹槽的轴线的轴线形成在薄片的工作表面中。 第三凹槽的表面在大致相互垂直的平面上与多个结构的表面相交，以限定多个立体角元件。 可以组装多个这样的薄片以形成用于制造诸如立体角片材的回射产品的模具。