EP 0186560 A1 19860702 - Process and device for producing a plasma arc.
Title (en)
Process and device for producing a plasma arc.
Title (de)
Verfahren und Vorrichtung zur Erzeugung eines Plasmabogens.
Title (fr)
Procédé et dispositif de formation d'un arc plasma.
Publication
Application
Priority
FR 8418703 A 19841207
Abstract (en)
[origin: US4650956A] For forming the plasma arc there is used nitrogen protoxide in the liquid state which is conducted through a valve (12) to an expansion orifice (33) which produces a cooling effect on the electrode (5,6). Applications in particular in plasma arc torch cutting.
Abstract (fr)
L'invention concerne la formation d'un arc plasma. On utilise, à cet effet, du protoxyde d'azote à l'état liquid que l'on transfère par une vanne (12) vers un orifice de détente (33) produisant un effet refroidisseur de l'électrode (5, 6). Applications notamment au coupage plasma.
IPC 1-7
IPC 8 full level
B23K 10/00 (2006.01); H05H 1/28 (2006.01)
CPC (source: EP US)
H05H 1/28 (2013.01 - EP US)
Citation (search report)
[A] FR 2534106 A1 19840406 - SOUDURE AUTOGENE FRANCAISE [FR], et al
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0186560 A1 19860702; AU 5081185 A 19860612; AU 573712 B2 19880616; BR 8506136 A 19860826; DK 565485 A 19860608; DK 565485 D0 19851206; ES 549626 A0 19870401; ES 8704666 A1 19870401; FR 2574614 A1 19860613; FR 2574614 B1 19870130; JP S61142700 A 19860630; NO 854927 L 19860609; PT 81628 A 19860611; US 4650956 A 19870317; ZA 859372 B 19860827
DOCDB simple family (application)
EP 85402379 A 19851203; AU 5081185 A 19851205; BR 8506136 A 19851206; DK 565485 A 19851206; ES 549626 A 19851205; FR 8418703 A 19841207; JP 27087185 A 19851203; NO 854927 A 19851206; PT 8162885 A 19851206; US 80544385 A 19851205; ZA 859372 A 19851206