(19)
(11) EP 1 993 331 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
04.01.2012 Bulletin 2012/01

(43) Date of publication A2:
19.11.2008 Bulletin 2008/47

(21) Application number: 08156329.8

(22) Date of filing: 16.05.2008
(51) International Patent Classification (IPC): 
H05H 1/34(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 18.05.2007 IT BO20070361

(71) Applicant: Tec.Mo S.r.l.
40067 Rastignano (Bologna) (IT)

(72) Inventor:
  • Bassi, Girogio
    40067, RASTIGNANO (BO) (IT)

(74) Representative: Negrini, Elena 
Agazzani & Associati S.r.l. Via dell'Angelo Custode 11/6
40141 Bologna
40141 Bologna (IT)

   


(54) Plasma torch device and method for carrying out an electrode thereof


(57) Plasma torch device comprising at least a nozzle (2) provided with a plasma outlet (3) and containing an electrode (4) whose terminal portion turned towards the plasma outlet (3) has a housing in which an insert (5) is blocked. Said electrode is also provided with an inner longitudinal cavity (6) having an opened end (7) and a closed end (8) towards the end portion having the insert (5).
The closed end (8) of the electrode has a shaped portion (9) having shape almost conical protruding inside the longitudinal cavity (6) and with the vertex (10) turned towards the opened end (7) of said cavity (6).







Search report