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US 2016/0243667 A1Published application
Process for machining a lens
AssigneeMEI S.r.I.
InventorStefano SONZOGNI
Life of this patent
Estimating the term…
Abstract
A process for machining a lens, includes the steps of holding a semi-finished product through a suction holding force which is active during an entire surface machining cycle of the semi-finished product; carrying out the surface machining cycle on a surface to be machined of the semi-finished product; and activating a pressure holding force depending on the level of the mechanical stresses exerted on the semi-finished product during the surface machining cycle on said surface.
Claims12
A process for machining a lens, the process comprising the steps of:
- holding a semi-finished product through a suction holding force which is active during an entire surface machining cycle of the semi-finished product;
- carrying out the surface machining cycle on a surface to be machined of the semi-finished product;
- and
- activating a pressure holding force depending on the level of the mechanical stresses exerted on the semi-finished product during the surface machining cycle on said surface.
1 more element
Dependencies are inferred from the claim text.