Method for casting glass-plastic lenses comprising allyl diglycol carbonate plastic
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United States of America Patent
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Jan 20, 1981
Issued Date -
N/A
app pub date -
May 14, 1979
filing date -
May 14, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing laminated glass-plastic lenses utilizing optically finished glass-ceramic mold components having specified thermal expansion, strength and thermal conductivity characteristics in a direct casting procedure wherein the lenses are cooled in the molds after curing to provide high selections of physically durable lenses.
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Cited Art Landscape
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