Patent · US Expired

Machine elements consisting of a glass/plastic compound

US6790882B2 · kind B2 · utility

3Cited by

5References

8Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Robert Greiner · Baiersdorf, DE
Heinrich Kapitza · Fürth, DE
Manfred Ochsenkuehn · Starnberg, DE

Key dates

Filing date	Oct 2, 2002
Grant date	Sep 14, 2004
Priority date	—
Expiry date	Oct 2, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C2214/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Machine elements such as bearings and toothed wheels, which consist of a thermoplastic-based glass/plastic compound containing a sulfophosphate glass with a low melting point and with the following composition: 4 to 10% Li2O, 4 to 10% Na2O, 4 to 8% K2O, 1 to 2% CaO, 35 to 37% ZnO, 0 to 3% La2O3, 19 to 22% P2O5 and 19 to 22% SO3; and a high performance thermoplastic.

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