Patent · US Active

Glass tube

US12240777B2 · kind B2 · utility

0Cited by

2References

19Claims

0Family size

Assignee

Schott AG · DE

Inventors

André Witzmann · Waldershof, DE
Volker Trinks · Mitterteich, DE
Thomas Lenz · Laatzen, DE

Key dates

Filing date	Jun 25, 2021
Grant date	Mar 4, 2025
Priority date	—
Expiry date	Apr 18, 2042

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C3/093
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

At least one glass tube has an azimuthal wall thickness deviation WTD of not more than 6.0%, the azimuthal wall thickness deviation being determined based on a lowest wall thickness value and a highest wall thickness value measured within a cross-section of the at least one glass tube, the azimuthal wall thickness deviation WTD being calculated according to the following formula:

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