Patent · US Active

Method and apparatus for manufacturing contact lens moulds

US10406768B2 · kind B2 · utility

0Cited by

7References

13Claims

0Family size

Assignee

COOPERVISION INTERNATIONAL LIMITED · GB

Inventors

Gregg A. Dean · Harlow, GB
Colin Ball · Hedge End, GB

Key dates

Filing date	Aug 25, 2016
Grant date	Sep 10, 2019
Priority date	—
Expiry date	Aug 25, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB24B13/0052
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A collet (230) for holding a contact lens mold half (240) during machining of a surface of the mold half (240) having a disc (235) having a face and defining:

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