Patent · US Active

Welding aid for a spiral-wound filament

US8212476B2 · kind B2 · utility

0Cited by

4References

12Claims

0Family size

Assignee

OSRAM GmbH · DE

Inventors

Frank Auer · Herbrechtingen, DE
Gerhard Behr · Riedlingen, DE
Peter Helbig · Sontheim, DE
Christian Seichter · Herbrechtingen, DE
Klaus Wittmann · Maurepas, FR
Sascha Zelt · Beimerstetten, DE

Key dates

Filing date	Dec 5, 2007
Grant date	Jul 3, 2012
Priority date	—
Expiry date	May 15, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH01K3/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Disclosed are a welding aid for a spiral-wound filament of a lamp and a lamp comprising such a welding aid. The spiral-wound filament has a spiral-wound filament body and at least one spiral-wound filament tail. The welding aid is arranged at a distance d from the spiral-wound filament body and is designed to connect the at least one spiral-wound filament tail to a current-conducting support, the distance d being defined in accordance with a power P at which the lamp is operated.

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