Patent · US Expired

Method and device for manufacturing an optical lens from a polymerizable synthetic material

US5547618A · kind A · utility

20Cited by
5References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 10, 1995
Grant dateAug 20, 1996
Priority date
Expiry dateJan 10, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S425/812
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

In a method of manufacturing an optical lens from a polymerizable synthetic material a lens molding assembly is provided including two molding shells and an annular closure member disposed around the molding shells and defining therewith a required molding cavity. The mold is filled with molding material and polymerization of the molding material is at least started. The operations of assembling the mold, filling it and at least starting polymerization of the molding material are conducted in the lens molding assembly.

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