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US 12,701,648 B1Granted
Electrode for a plasma cutting torch, assembly having said electrode, plasma cutting torch having said electrode, and method for plasma cutting
AssigneeKjellberg-Stiftung
InventorsVadim Günther, Frank Laurisch, Volker Krink
Life of this patent
Estimating the term…
Abstract
The invention relates to an electrode for a plasma cutting torch, comprising an electrode holder and an emission insert, which are frictionally, interlockingly and/or integrally joined to each other, characterized in that the emission insert is made of an alloy at least of tungsten and at least one of the following elements or compounds: zirconium and/or hafnium and/or zirconium oxide and/or hafnium oxide; to an assembly having said electrode; to a plasma cutting torch having said electrode; and to a method for plasma cutting.
Claims17
An electrode for a plasma cutting torch, comprising:
- an electrode holder and an emission insert which are connected to one another with one of a force fit, form fit and by material bonding;
- said emission insert consists of an alloy at least of tungsten and at least one of zirconium, hafnium, zirconium oxide, and hafnium oxide;
- and
- the remaining proportion of said alloy of said emission insert to make up 100% of the volume or the mass is formed to at least 20% to at least 30% from one of copper, silver, and copper and silver.
1 more element
Dependencies are inferred from the claim text.