Patent · US Active

Inkjet method for producing a spectacle lens

US11794428B2 · kind B2 · utility

0Cited by

5References

29Claims

0Family size

Assignee

Carl Zeiss Vision International GmbH · DE

Inventors

Hans-Joachim Weippert · Aalen, DE
Matthias Krieg · Heidenheim, DE
Jörg Pütz · Aalen, DE

Key dates

Filing date	Jul 8, 2022
Grant date	Oct 24, 2023
Priority date	—
Expiry date	Jul 8, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB33Y70/00
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

An inkjet method for producing a spectacle lens and fluids that can be used in an inkjet method for producing a spectacle lens are disclosed. The inkjet method includes the following steps: a) providing a substrate to be printed on, b) applying to the substrate to be printed on from step a) at least two volume elements applied adjacently and/or adjoining one another, c) transferring the at least two volume elements applied adjacently and/or adjoining one another from step b) into at least one volume composite, d) transferring the at least one volume composite from step c) into at least one homogeneous volume composite, e) transferring the at least one homogeneous volume composite from step d) into at least one final volume composite.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.