Patent · US Active

Method of sealing a lamp by deformation of a pinch region using high-energy radiation

US7445534B2 · kind B2 · utility

0Cited by

8References

2Claims

0Family size

Assignee

Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbH · DE

Inventors

Christoph Krieglmeyer · Haslach im Kinzigtal, DE
Christine Maier · Albstadt, DE
Roland Mayer · Heidenheim, DE
Georg Rosenbauer · Wassertrüdingen, DE

Key dates

Filing date	Jun 9, 2005
Grant date	Nov 4, 2008
Priority date	—
Expiry date	Sep 6, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH01K3/26
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method and apparatus for producing a lamp in the case of which a lamp bulb closed at one end is filled through a feed opening for a luminous means are disclosed together with a lamp produced using this method. A dome of the lamp bulb can thereby be of smooth design without a pumping tip.

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