Method for cutting optical lens and/or molding die therefor

Details Method for cutting optical lens and/or molding die therefor Method for cutting optical lens and/or molding die therefor

2005-05-03

2005-05-03

Vargot, Mathieu D. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Including step of mold making

C264S002700, C451S042000, C451S043000

Reexamination Certificate

active

06887405

ABSTRACT:
A cutting method for cutting an optical lens and/or a molding die therefor includes rotating the optical lens and/or the molding die about the optical axis, moving a cutting blade in a direction perpendicular to an optical axis to cut the optical lens and the molding die, and varying the feed pitch of the cutting blade in the direction perpendicular to the optical axis in accordance with the position of the optical lens and/or the molding die in the radial direction.

REFERENCES:
patent: 5371976 (1994-12-01), Svochak
patent: 2184966 (1987-07-01), None
patent: 1138269 (1985-02-01), None

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