Global Patent Index - EP 1686842 A1

EP 1686842 A1 20060802 - Plasma torch

Title (en)

Plasma torch

Title (de)

Plasmabrenner

Title (fr)

Torche à plasma

Publication

EP 1686842 A1 20060802 (FR)

Application

EP 05100579 A 20050128

Priority

EP 05100579 A 20050128

Abstract (en)

The torch has a conical cathode (120) with a point (20) and a half-coupling (200). A cathode screw (300) with a half-coupling (400) fixes the cathode, in operational position, in a cathode-gate (22) by the application of pressure on the cathode. The half-couplings (200, 400) cooperate to form a coupling, between the cathode and the screw, allowing the transmission of a traction force from the screw to the cathode. The point is present on a conical part of the cathode, and penetrates partially a central cavity of an anode to form a space between them to produce an electric arc plasma generator and a passage for a plasmagene gas towards a plasma output opening.

IPC 8 full level

H05H 1/34 (2006.01)

CPC (source: EP US)

H05H 1/3423 (2021.05 - EP US); H05H 1/3478 (2021.05 - EP)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1686842 A1 20060802

DOCDB simple family (application)

EP 05100579 A 20050128