Patent · US Active

Method for producing a glass stopper for sealing bottles

US9718718B2 · kind B2 · utility

0Cited by

0References

23Claims

0Family size

Assignee

Doctor Optics SE · DE

Inventors

Wolfram Wintzer · Jena, DE
Lars Arnold · Neustadt, DE
Hagen Goldammer · Jena, DE
Sandro Plietzsch · Linda, DE

Key dates

Filing date	Mar 17, 2014
Grant date	Aug 1, 2017
Priority date	—
Expiry date	Jun 16, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B2215/66
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a method for producing a glass stopper with a head portion for sealing bottles, more particularly bottles for wine and sparkling wine, wherein an upper mold and a lower mold are provided.

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