Patent ID: 7807226
Filing Date: 2010-10-05
Classification: B29C,B29D,B29L,Y10S

Abstract:
1. A method for producing a light transmission device, the method comprising: injecting molten plastic by a molding machine into a light transmission device mold, the light transmission device mold having an integral runner in substantially the same plane and with substantially the same wall thickness as the light transmission device, the light transmission device mold further having a stamp including an arrangement of pit art features for producing stamped pit art features including at least one optical alignment reference in a molded product; compressing the mold by the molding machine to form the molded product through an injection/compression molding process, the molded product including at least one light transmission device, the stamped pit art features including at least one external optical reference so as to be excluded from the finished light transmission device; and processing the molded product by a number of finishing process machines performing finishing processes for the light transmission device on the molded product, at least one of the finishing process machines using the at least one optical alignment reference for optically orienting the molded product for a finishing process.