Patent · US Active

Spectacle lens semi-finished product or spectacle lens finished product and method of making the same

US9310521B2 · kind B2 · utility

2Cited by

10References

13Claims

0Family size

Assignee

Carl Zeiss Vision International GmbH · DE

Inventors

Ralf Meschenmoser · Oberkochen, DE
Karl Winter · Obertshausen, DE
Ralf Gorosics · Gussenstadt, DE

Key dates

Filing date	Sep 8, 2014
Grant date	Apr 12, 2016
Priority date	—
Expiry date	Sep 8, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T409/303752
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a spectacle lens semi-finished or finished product with a front surface, a rear surface, a cylinder rim surface, a front edge surface with a front surface transition to the front surface and a front cylinder rim surface transition to the cylinder rim surface and/or a rear edge surface with a rear surface transition to the rear surface and a rear cylinder rim surface transition to the cylinder rim surface. The front surface transition is formed as a rounding and/or the rear surface transition is formed as a rounding.

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