Processes for forming a polarized lens via injection/coining injection molding

Processes for forming a polarized lens via injection/coining injection molding

Processes for forming a polarized lens via an injection/coining injection molding process are disclosed. One of the processes includes forming a polarizing insert by sandwiching a polarizer between two layers of cellulosic material, and surrounding the polarizing insert with high-impact polymer usin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: COLARUSSO PETER C, PHILLIPS RICHARD A, POPE DARRELL C
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:Processes for forming a polarized lens via an injection/coining injection molding process are disclosed. One of the processes includes forming a polarizing insert by sandwiching a polarizer between two layers of cellulosic material, and surrounding the polarizing insert with high-impact polymer using an injection/coining process of injection molding that results in minimal stress in the lens.