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Class 148/205 - Plural nozzles or plural work-contacting jets


Subclass of Class 148 - Metal treatment
Definition: Process wherein plural nozzles or plural gaseous jets contact
No. of patents: 15
Last issue date: 02/03/2009


NumberTitleIssue Date
7485192Steel coil cutting apparatus and method
A steel coil cutting apparatus that overcomes these and other problems has an automated arm having a free end. At least two cutting heads are attached to the free end of the automated arm. ...
02/03/2009
7377987Steel cutting system and method
A steel cutting system has a cutting torch on a first side of a slab of steel. A pair of oxygen jets is placed on a second side of the slab of steel. ...
05/27/2008
7063814Accelerated steel cutting methods and machines for implementing such methods
A method for cutting steel includes heating a portion of the steel until it is molten, positioning a cutting torch to have a high angle of incidence relative to the molten steel, and blasting high pressure oxygen at the molten metal. The blast of high pressure oxyge...
06/20/2006
7045022Removal of adherent molten metal from surfaces
The present invention provides a method and process for removing adherent molten metal from a surface by applying a non-wetting agent for the metal to the surface or to the adherent molten metal. The non-wetting agent may be a pressurized fluid or applied by a press...
05/16/2006
6824624Method of oxygen cutting a piece of steel, and apparatus for implementing said method
The invention relates to a method and apparatus for oxygen cutting pieces of steel, in which a cutter member (5) is positioned above a top face of the piece to be cut, and trimmer and spray members (10, 11) are positioned beneath the piece to be cut, s...
11/30/2004
6783605High speed oxyacetylene cutting of a thick steel part and device therefor
The invention relates to a method and apparatus for oxygen-cutting thick pieces of steel at high speed. In accordance with the invention an oxygen-cutting torch (30) held at a predetermined height above the piece (1) to be cut and a slot torch (20
08/31/2004
5944915Cutting nozzle assembly for a postmixed oxy- fuel gas torch
A novel cutting nozzle assembly for a postmixed oxygen-fuel gas torch is disclosed. The nozzle assembly includes a cylindrical shroud which surrounds and extends away from the gas discharge orifices in the gas discharge end of the cutting nozzle. The cyli...
08/31/1999
5891266Method and system for cutting hub bores in railroad wheels
A method and system for cutting hub bores in metal railroad wheels is disclosed. The system includes a lead and second torch for cutting the hub bores. In the method, the lead torch is moved to an initial position above the wheel. The lead torch is energi...
04/06/1999
5792281Post-mixed cutting torch having a pilot mode and method of operating same
A post-mixed cutting torch selectively operable in a pilot mode and a cutting mode is provided by the present invention. The control body includes a fuel passage and an oxygen passage which is divided into a preheat oxygen supply branch and a cutting oxyg...
08/11/1998
5683821Metal workpiece obtained by oxygen cutting
The workpiece is obtained by cutting a metal product by oxygen cutting. An oxygen cutting jet is sent onto a preheated cutting zone of the product. A peripheral sleeve of additional gas is formed around the oxygen cutting jet so as to send, into the cutti...
11/04/1997
5391237Method of manufacturing a metal workpiece by oxygen cutting, oxygen-cutting device and metal workpiece obtained
The workpiece is obtained by cutting a metal product by oxygen cutting. An oxygen cutting jet is sent onto a preheated cutting zone of the product. A peripheral sleeve of additional gas is formed around the oxygen cutting jet so as to send, into the cutti...
02/21/1995
4830681Oxygen cutting method and nozzle
An oxygen cutting device comprising two cutting oxygen jets conducted through passageways with a passageway therebetween for a carburizing flame ensuring a reheating at depth of the rough-cut kerf which is effected by the first cutting oxygen jet and is f...
05/16/1989
4707898Beam profile cutting machine and method
A semi-automated beam cutting machine simultaneously cuts with two torches the flanges of the beam in a presettable plane in each of two axis. The web of the beam is cut with a further torch in response to a template, to obtain two rat holes and the inset...
11/24/1987
4389261Process for cutting metal members by means of jets of gas which issue at the periphery of a rotary disc
A process for cutting metal members 3 by means of jets of gas emitted by nozzles (a1, a2, a3 . . . a63) which are disposed at regular spacings on the periphery 2 of the disc 1 which rotates at high speed. Prehea...
06/21/1983
4379002Method and equipment for dividing slabs into predetermined widths
In the process of conveying a slab from continuous casting or large ingot casting equipment by means of a conveyance table comprising conveyance rollers, the slab is stopped on the table and raised therefrom and, at the raised position, the slab is divide...
04/05/1983
 
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