Molded hologram apparatus method and product

Details Molded hologram apparatus method and product Molded hologram apparatus method and product

2005-08-16

2005-08-16

Vargot, Mathieu D. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Light polarizing article or holographic article

C264S002200, C264S040600, C425S144000, C425S547000, C425S555000, C425S808000

Reexamination Certificate

active

06929761

ABSTRACT:
Holographic lines are formed directly on products by holding a holographic plate and a block under a lip on a frame and mounting the frame for limited movement within a recess in a mold half. As a mold cavity is filled, the frame, block and plate and heating tubes connected to the block move in the recess. As the product sets, springs push the frame, block and plate toward the shrinking product controlling the fine holographic lines. Lateral frame recesses receive bolt ends to limit frame travel. Partially withdrawing bolts and removing the tubes releases the frame for withdrawing the block and replacing the holographic plate.

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