Molded glass lens with a lens holding cylinder integrated, and a production device thereof
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United States of America Patent
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Issued Date -
Sep 7, 2006
app pub date -
Feb 24, 2006
filing date -
Feb 24, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A molded glass lens with a lens holding cylinder integrated, comprising the lens holding cylinder having an adequate number of through holes formed in it and forming a hot working space together with a mold during molding and a glass lens proper molded in the lens holding cylinder, wherein the excessive portion of the base material of the lens has flowed into said through holes, and also proposes a production device thereof.
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