FI920007L - Plasma torch shielding gas nozzle - Google Patents

Plasma torch shielding gas nozzle Download PDF

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Publication number
FI920007L
FI920007L FI920007A FI920007A FI920007L FI 920007 L FI920007 L FI 920007L FI 920007 A FI920007 A FI 920007A FI 920007 A FI920007 A FI 920007A FI 920007 L FI920007 L FI 920007L
Authority
FI
Finland
Prior art keywords
gas
plasma
nozzle
casing
gas nozzle
Prior art date
Application number
FI920007A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI92562C (en
FI920007A0 (en
FI92562B (en
Inventor
Tom Ahola
Kari Ahola
Original Assignee
Rotaweld Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rotaweld Oy filed Critical Rotaweld Oy
Priority to FI920007A priority Critical patent/FI92562C/en
Publication of FI920007A0 publication Critical patent/FI920007A0/en
Publication of FI920007L publication Critical patent/FI920007L/en
Application granted granted Critical
Publication of FI92562B publication Critical patent/FI92562B/en
Publication of FI92562C publication Critical patent/FI92562C/en

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  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)

Abstract

In this publication, a description is given of a feed nozzle for providing a gas shield in a plasma burner, by which the shield gas is guided around a plasma arc and the gas flow is laminated. The invention is based on the nozzle's special casing part 3, which is fabricated by processing copper in such a way that its inner surface will have longitudinal grooves 16. The casing 3 is fixed around the plasma-gas nozzle 2, or around a frame 6 in which the plasma-gas nozzle is fitted, such that the grooves' 16 ridges 13 are in contact with the outer surface of the plasma-gas nozzle 2 or the frame 6 whereby, between the casing 3 and the frame 6, channels are formed for the shield gas. The casing 3 is assembled by electron-beam welding, whereby the the burner's structure is made gas-tight. <IMAGE>
FI920007A 1992-01-02 1992-01-02 Protective gas nozzle for a plasma burner FI92562C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI920007A FI92562C (en) 1992-01-02 1992-01-02 Protective gas nozzle for a plasma burner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI920007A FI92562C (en) 1992-01-02 1992-01-02 Protective gas nozzle for a plasma burner
FI920007 1992-01-02

Publications (4)

Publication Number Publication Date
FI920007A0 FI920007A0 (en) 1992-01-02
FI920007L true FI920007L (en) 1993-07-03
FI92562B FI92562B (en) 1994-08-31
FI92562C FI92562C (en) 1994-12-12

Family

ID=8533778

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920007A FI92562C (en) 1992-01-02 1992-01-02 Protective gas nozzle for a plasma burner

Country Status (1)

Country Link
FI (1) FI92562C (en)

Also Published As

Publication number Publication date
FI92562C (en) 1994-12-12
FI920007A0 (en) 1992-01-02
FI92562B (en) 1994-08-31

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Legal Events

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BB Publication of examined application