Patent · US Active

Method and device for producing technical glass parts for optical applications

US9290402B2 · kind B2 · utility

1Cited by

3References

32Claims

0Family size

Assignee

DOCTER OPTICS SE · DE

Inventors

Peter Mühle · Neustadt an der Orla, DE
Wolfram Wintzer · Jena, DE

Key dates

Filing date	Jul 26, 2011
Grant date	Mar 22, 2016
Priority date	—
Expiry date	Aug 10, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B2215/71
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Disclosed is a method for producing a technical glass part, particularly meeting high requirements with respect to contour accuracy and surface quality, particularly a precision lens, wherein a blank including a cast-on section is produced using an injection molding process, wherein the blank is cooled down and subsequently heated, and wherein the blank subsequently is blank molded, particularly on both sides, into a technical glass part meeting high requirements with respect to contour accuracy and surface quality, particularly a precision lens.

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