Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes
Patent
1983-06-27
1986-01-28
Stallard, Wayland
Metallurgical apparatus
Means for cutting solid metal with heat, e.g., blowpipes
266 51, 266 53, B23K 700
Patent
active
045666768
ABSTRACT:
A short nozzle tip for a torch for thermochemical cutting or flame machining has a central cutting oxygen feed bore comprising an intake portion, a reduced-section portion and a conically flaring discharge portion. Associated with the central oxygen feed bore are fuel gas bores which extend parallel to the central bore and which are disposed in an annular array therearound, while arranged outside the array of fuel gas bores is a further array heating oxygen bores which extend at an inclined angle to the discharge end of the fuel gas bores and issue directly therebeside.
REFERENCES:
patent: 2521199 (1950-09-01), Babcock
patent: 2531174 (1950-11-01), Tomlin
patent: 4287005 (1981-09-01), Engel
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