Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Changing mold size or shape during molding or with shrinkage...
Reexamination Certificate
2011-07-26
2011-07-26
Del Sole, Joseph S (Department: 1743)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Changing mold size or shape during molding or with shrinkage...
C264S272110, C264S334000, C264S338000
Reexamination Certificate
active
07985357
ABSTRACT:
There is provided a method of sealing and molding an optical device with resin by employing a die including a top piece, a bottom piece, an intermediate piece, and a mold release film pinched between the bottom and intermediate pieces and thus tensioned as prescribed to cover the bottom piece's cavity, when the bottom piece is heated, and the mold release film expands and thus closely contacts the cavity's entire surface along the cavity's geometry so that the optical device can be sealed in transparent set resin shaped as desired.
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Kawakubo Kazuki
Onishi Yohei
Takase Shinji
Birch & Stewart Kolasch & Birch, LLP
Del Sole Joseph S
Ochylski Ryan
Towa Corporation
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