Optical element molding apparatus

Details Optical element molding apparatus Optical element molding apparatus

2011-08-02

2011-08-02

Mackey, James (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S450100, C425S589000

Reexamination Certificate

active

07988441

ABSTRACT:
An optical element manufacturing apparatus is provided with a fixed side metal mold5attached to a fixed platen1, and a movable side metal mold6attached to a movable platen2. The fixed side metal mold5and the movable side metal mold6are clamped by bringing both platens1and2close to each other. In the clamped status, a molding material is injected into a molding cavity between the both metal molds and an optical element is produced. A taper recessed section11aand a taper protruding section21a, provided on the fixed side metal mold5and the movable side metal mold6respectively, fit each other. The movable side metal mold6provides a friction mechanism section23which permits the metal mold to shift within a plane perpendicular to the clamping direction with respect to the movable platen2.

REFERENCES:
patent: 5456588 (1995-10-01), Yonekubo et al.
patent: 7381041 (2008-06-01), Wilber
patent: 07-186154 (1995-07-01), None

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