Injection molding of optical lenses and optical molds

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United States of America Patent

PATENT NO 4284591
SERIAL NO

06200261

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of maintaining contact between the injected molded resinous optical surface and the mold by rapid filling of the mold through a restricted orifice and by mechanically moving the mold against the resin as it cools and shrinks.

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Patent Owner(s)

Patent OwnerAddress
BOISSEVAIN LIMITED INC24TH FLOOR 127 JOHN STREET NEW YORK NY 10292

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Neefe, Charles W Big Spring, TX 69 1324

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