US Patent No. 10,485,086

SINGLE OR MULTI-PART INSULATING COMPONENT FOR A PLASMA TORCH, PARTICULARLY A PLASMA CUTTING TORCH, AND ASSEMBLIES AND PLASMA TORCHES HAVING THE SAME


Patent No. 10,485,086
Issue Date November 19, 2019
Title Single Or Multi-part Insulating Component For A Plasma Torch, Particularly A Plasma Cutting Torch, And Assemblies And Plasma Torches Having The Same
Inventorship Frank Laurisch, Finsterwalde (DE)
Volker Krink, Finsterwalde (DE)
Timo Grundke, Finsterwalde (DE)
Assignee Kjellberg-Stiftung, Finsterwalde (DE)

Claim of US Patent No. 10,485,086

1. A plasma torch including:an electrode
a nozzle; and
a plasma gas conveying part arranged between the electrode and the nozzle, the plasma gas conveying part comprising:
a first part and a second part; and
an inner face adjacent a cavity located in the plasma gas conveying part;
wherein at least a portion of the first part and at least a portion of the second part are arranged concentrically to one another;
wherein the plasma gas conveying part additionally includes a third part;
wherein the first part is arranged between the second part and the third part;
wherein the third part has the same thermal and electrical properties as the second part;
wherein at least a portion of the first part and at least a portion of the third part are arranged concentrically to one another; and
wherein at least a portion of the second part and at least a portion of the third part are arranged concentrically to one another.