Lens mold with slides

Details Lens mold with slides Lens mold with slides

2011-07-26

2011-07-26

Gupta, Yogendra N (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Shaping surface including means to release or remove product...

By movable mold sections

C425S572000, C425S588000, C425SDIG050, C425S808000

Reexamination Certificate

active

07985064

ABSTRACT:
A lens mold comprises a first pressing portion, a second pressing portion, and a shaping portion disposed between the two, which comprises an upper slide and a lower slide. The upper slide and the lower slide are connected to the second pressing portion, and can slide along each other. A mold cavity in fluidic communication with a flow path and the inlet such that the lens material flows from the inlet to the mold cavity along the flow path to form a shaped lens. After the lens is formed, the upper slide and the lower slide away from each other separately, where a part of the shaped lens is remains in a recess defined in the second pressing portion, to help release the shaped lens from the mold.

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