Patent · US Expired

Method for inserting a pumping rod in a discharge chamber

US6609940B1 · kind B1 · utility

0Cited by

11References

15Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Michael Seibold · Schwäbisch Gmünd, DE
Michael Ilmer · Augsburg, DE
Angela Eberhardt · Augsburg, DE
Hermann Speer · Sontheim, DE

Key dates

Filing date	May 17, 2001
Grant date	Aug 26, 2003
Priority date	—
Expiry date	Jan 19, 2022

Classification

Technology area (CPC H)Electricity
CPC primaryH01J2329/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In a novel method in the field of the production of discharge vessels, in particular for silent flat radiators, an exhaust tube 3 for evacuating and filling is inserted into an opening 2 in the discharge vessel, it being possible in a simple way by means of an adapter 4 to achieve optimum fitting and sealing between a square inner cross section of the opening 2 and a round outer cross section of the exhaust tube 3.

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