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US 12,526,909 B2Granted
Wear part for an arc torch and plasma torch, arc torch and plasma torch comprising same, method for plasma cutting and method for producing an electrode for an arc torch and plasma torch
AssigneeKjellberg-Stiftung
InventorsVolker Krink, Frank Laurisch, Ralf-Peter Reinke, Katrin Jehnert
Life of this patent
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Abstract
The invention relates to a wear part for an arc torch, plasma torch or plasma cutting torch, characterised in that the wear part or at least one part or a region of the wear part consists of an alloy formed from silver and zirconium, silver and hafnium, or silver and zirconium and hafnium.
Claims21
A wearing part for an arc torch, plasma torch or plasma cutting torch, comprising:
- at least a part or region of said wearing part comprises an alloy of one of silver and zirconium, silver and hafnium, and silver and zirconium and hafnium;
- said wearing part is an electrode for an arc torch;
- said electrode has a front end and a rear end extends along a longitudinal axis M, and comprises at least an emission insert at said front end and an electrode holder;
- and
- at least a sub-portion of an inner face of said electrode holder comprises said alloy.
2 more elements
A wearing part for an arc torch, plasma torch or plasma cutting torch, comprising:
- at least a part or region of said wearing part comprises an alloy of one of silver and zirconium, silver and hafnium, and silver and zirconium and hafnium;
- said wearing part is a nozzle having at least one nozzle opening;
- and
- at least a sub-portion of an inner face of said nozzle opening comprises said alloy.
1 more element
A wearing part for an arc torch, plasma torch or plasma cutting torch, comprising:
- at least a part or region of said wearing part comprises an alloy of one of silver and zirconium, silver and hafnium, and silver and zirconium and hafnium;
- said wearing part is a nozzle protective cap having at least one nozzle protective cap opening;
- and
- at least a sub-portion of an inner face of said nozzle protective cap opening comprises said alloy.
1 more element
Dependencies are inferred from the claim text.