发明名称 |
Injection molding process for forming a retroreflector |
摘要 |
An injection process for forming a retroreflector on a matrix mold having a plurality of prisms that each define a cavity. The process includes the steps of a) injecting a first layer of plastic on the matrix mold for partially filling up each prism up to a predetermined uniform thickness so as to define a recessed portion corresponding with each cavity of the prisms; and b) injecting a second layer of plastic onto of the first layer, the second layer filling up the recessed portion defined in each cavity of the prisms so that second layer defines a flat portion on an exterior side of the second layer.
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申请公布号 |
US7682533(B2) |
申请公布日期 |
2010.03.23 |
申请号 |
US20050589134 |
申请日期 |
2005.02.11 |
申请人 |
DBM REFLEX ENTERPRISES INC. |
发明人 |
IATAN GEORGE |
分类号 |
B29C45/16;B29C45/00;B29D11/00;G02B5/12;G02B5/124 |
主分类号 |
B29C45/16 |
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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