Patent · US Active

Tungsten containing forming mandrel for glass forming

US10675407B2 · kind B2 · utility

0Cited by

3References

23Claims

0Family size

Assignee

Schott AG · DE

Inventors

Joerg Witte · Darmstadt, DE
Xaver Jud · Weinfelden, CH
Alexander Humbertjean · Bad Krozingen, DE

Key dates

Filing date	Oct 13, 2016
Grant date	Jun 9, 2020
Priority date	—
Expiry date	Aug 31, 2037

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2207/10
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A molding tool, a method, and an apparatus for hot forming of glass are provided that provide glass products used for pharmaceutical packaging. The molding tool includes a forming mandrel for reshaping at least a portion of a heated region of a glass precursor. The mandrel has a temperature-stable core material and an alloying element. The core material is made of precious metals, in particular of platinum group elements, and the further alloying element is made of one of tungsten, zirconium, rhodium, molybdenum, and rhenium.

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