|
Match
|
Document |
Document Title |
|
|
7485192 |
Steel 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.
|
|
|
7431776 |
Slag-removal system and method in a cutting table
A slag-removal system for a cutting table includes a pair of drive members arranged in spaced endless loops extending parallel to a longitudinal direction, with a slag plow connected between the...
|
|
|
7045022 |
Removal 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....
|
|
|
6989063 |
Device for tempering rolled stock of great length
A device and a process for tempering at least parts of the cross section of sequentially produced rails from the rolling heat and for the subsequent cooling thereof to room temperature. The device...
|
|
|
6805832 |
Thermite torch cutting nozzle
An improved nozzle for thermite cutting torches provides an elongated nozzle dimensioned and configured to direct a maximized flow of cutting flame to the desired cutting location on a workpiece....
|
|
|
6793831 |
Microlamination method for making devices
A method for fabricating devices in a pre-assembled state comprising forming plural laminae, registering the laminae, and bonding the laminae one to another is described. The plural laminae contain...
|
|
|
6786979 |
Method and apparatus for cutting steel to reduce slag adherence
A steel cutting apparatus includes a cutting torch that is moved in an arcuate path for guiding the cutting torch so that a cutting flame of the cutting torch is always aimed at a bottom corner of...
|
|
|
6582529 |
Arrangement for seam preparation
The unique in the construction is a number of important components and parts: a) the plate holder in molded aluminium; its double function and shaping in order to be able to be used as both a...
|
|
|
6440229 |
Lower pre-heat block for use in metal scarfing apparatus
A lower pre-heat block assembly ( 9 ) for use with a metal scarfing apparatus ( 5 ) is disclosed. The lower pre-heat block assembly has a lower block ( 38 ) and an extension ( 39 ) engaged upon and...
|
|
|
6368549 |
Metallurgical vessel
Disclosed is a metallurgical vessel, in particular a converter for treating liquid molten metals, in particular steel, formed of a refractory lining and a supporting metal shell that surrounds the...
|
|
|
6203629 |
Process for cutting coked metal molded parts
A process for cutting coked metal includes cutting with a flame or by electrowelding after the coked metal has been heated sufficiently to relieve stresses in the metal.
|
|
|
6183569 |
Cutting torch and associated methods
An apparatus is disclosed for cutting target material which includes a housing having an inner cavity and an elongated nozzle extending from the inner cavity to communicate with the exterior of the...
|
|
|
6068001 |
Process for stainless steel pickling and passivation without using nitric acid
Process for stainless steel pickling consisting in placing the material to be treated in a bath kept at a temperature ranging from 30° C. to 70° C. and containing: a) HCl b) Fe 3 + c) HF...
|
|
|
5922144 |
Accelerated steel removal process
A method for cutting steel in which an operator uses high pressure propane and oxygen. The operator heats the steel locally until it is molten, positions a cutting torch with a high angle of...
|
|
|
5882437 |
Oxy-fuel cutting torch head seat insert and method of use
A molded, non-metallic insert is disclosed that is of a form which replicates the seat configuration of the oxy-fuel cutting torch into which it is intended to be inserted. The insert material is...
|
|
|
5792281 |
Post-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...
|
|
|
5733385 |
Blade for a flail type brush cutting machine
A blade for a flail type brush cutting machine. The blade is torch cut or cast from thick metal in a generally L shape to have any desired angle between its stem and floor, in the preferred...
|
|
|
5688339 |
Oxy-fuel flame impingement heating of metals
Heating metal articles by direct surface impingement of an oxy-fuel flame without causing damage, or surface melting of the articles being heated. Flame contact is cycled to achieve maximum...
|
|
|
5458696 |
Process for cutting blocks of metal
A process for cutting very large solidified pools of metal and metallic structures by flame cutting by means of an improved burning bar is described. The cutting is conducted by a hot flame...
|
|
|
5391237 |
Method 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...
|
|
|
5350462 |
Process for cutting large blocks of metal
A process for cutting very large solidified pools of metal and metallic structures by flame cutting by means of an improved burning bar is described. The cutting is conducted by a hot flame...
|
|
|
5256212 |
Method and apparatus for flame cutting a workpiece
A method and apparatus are provided for cutting an elongate workpiece. A conveyor is provided for supporting the workpiece lengthwise along an X-axis in a mutually orthogonal X, Y, and Z-axis...
|
|
|
5198039 |
Apparatus and method for automatically positioning and operating non-contact tool holders
Multiple cutting torches are automatically spaced along a torch bar operating parallel to a main beam spanning a cutting table with an apparatus and method allowing one or all of the cutting...
|
|
|
5196072 |
Method and apparatus for controlling metal oxide fume generation during subdivision of a body containing metal values
A method and apparatus are disclosed for controlling metal oxide fume generation during the oxygen-induced subdivision into smaller physical units of a body containing metal values in a control...
|
|
|
5196071 |
Method and apparatus for dross free burning of slabs
A method and torch-cutting apparatus for slabs to prevent dross from forming on the underside of the slabs in the area of a cut includes a device to be positioned beneath a slab. The device applies...
|
|
|
5102473 |
Process and device to transversely cut metal workpieces
Metal pieces such as blooms, continuously cast billets and cogged ingots, are cut by a deep-frozen, liquid cutting medium, in particular liquid oxygen, exiting from a nozzle at high pressure. The...
|
|
|
4995918 |
Process and device for autogenous cutting with liquid oxygen
In autogenous cutting oxygen in liquid form is put under high pressure and flows to the cutting site through a liquid jet cutting nozzle. An increase in the cutting speed and in the cutting quality...
|
|
|
4953358 |
Cooling device for liquefied gas
A cooling device for cooling a liquefied gas having a low boiling point includes two cooling gas containers connected to each other by vacuum-insulated cooling-line segments. The liquid-gas line...
|
|
|
4923527 |
Apparatus and method for slag-free cutting of billets and the like
A billet cutting apparatus of the type including an oxy-fuel cutting torch includes a slag removal nozzle operative simultaneously with the cutting torch to direct a jet of oxygen along the lower...
|
|
|
4916278 |
Severing metal strip with high frequency electrical current
A method of severing a metal piece into parts in which electrical contacts engage the piece at the end of the severing line and high frequency electrical current is fed to the contacts for the...
|
|
|
4826541 |
Method of thermal deburring of metal parts
A method of thermal deburring of metal parts which is carried out in a chamber in two stages. The chamber is initially filled with a mixture of a combustible gas and air, the amount of each...
|
|
|
4765846 |
Process for autogenic flame cutting with oxygen
A process for autogenic flame cutting with oxygen includes bringing the oxygen while in the liquid state to a high pressure and feeding the oxygen to the cutting location via a liquid jet cutting...
|
|
|
4559890 |
Mooring release apparatus and method
An apparatus and method having particular utility in quickly releasing the moorings of large vessels and offshore platforms. The preferred embodiment of the apparatus comprises a pair of...
|
|
|
4455176 |
Post-mixed oxy-fuel gas cutting torch and nozzle and method of oxy-fuel gas cutting
A combination cutting torch and nozzle assembly for post-mix oxy-fuel gas cutting using two separate annular steams of preheat oxygen gas surrounding the fuel gas stream with the inner annular...
|
|
|
4278478 |
Method of stack cutting
A stack of edge aligned, thin metal sheets pressed into tight face-to-face engagement between rigid upper and lower plates, and a series of closely spaced peripheral welds from upper to lower...
|
|
|
4173499 |
Method of operating a cutting burner
A method of operating a metal-cutting burner in which the cutting oxygen is supplied through a central passage to a cutting nozzle and is enveloped in an oxygen curtain which is controlled so that...
|
|
|
3989479 |
Gaseous fuel mixture
A gaseous fuel for use in heating, hardening, welding, cutting, and other working of metals comprises a mixture of about 80 to 82 per cent propane, or a propane-butane mixture, about 15 to 17 per...
|
|
|
3982883 |
Method of flame cutting
A method of flame cutting using an improved industrial fuel gas composition consisting of an industrial fuel gas such as propane, butane, natural gas and acetylene, or a mixture thereof, and a...
|
|
|
3954513 |
Flame cutting by means of an oxygen beam
For the purpose of improving the economics of flame cutting and the qualiive characteristics of flame-cut components, and with the object of developing a method of flame cutting, particularly...
|
|
|
3730780 |
METHOD OF TRANSPORTING AND POSITIONING CONTINUOUS CASTING BUTTS
A method of moving and positioning a casting butt produced in a continuous casting plant with the aid of holding means and a cutting device used as the transport means. The device is secured to the...
|
|
|
3661654 |
PROCESS FOR AUTOGENEOUS FLAME CUTTING
The flame cutting of seams to predetermined depths is characterized by reducing the cutting oxygen pressure more than 50 percent, and preferably 75 percent, of conventional cutting oxygen...
|
|
|
3656432 |
GRANULAR AMMONIUM PERCHLORATE PROPELLANT
Granular ammonium perchlorate having a particle size of -40 to -50 mesh is packed to a bulk density of from about 1.0 to 1.5 g/cc in a rocket motor casing restricted to maintain a chamber pressure...
|
|
|
3619301 |
UNCUT DETECTING METHOD IN GAS WORKING
This invention provides a method for detecting "uncut" condition in gas workings, in particular in cutting works. The detection is performed by making use of two back pressures generated by...
|
|
|
3520739 |
FLAME CUTTING METALS
|
|
|
3508323 |
PROCESS FOR FLAME CUTTING
|
|
|
3499801 |
HEAT-CUTTING METHOD
|
|
|
3498848 |
METHOD AND APPARATUS FOR HIGH-SPEED CUTTING WITH OXYGEN
|
|
|
3492171 |
METHOD FOR FORMING A TAP HOLE IN A WALL PORTION OF A METALLURGICAL FURNACE CONTAINING MOLTEN METAL
|
|
|
3488229 |
METHOD OF CUTTING METAL SHEETS
|
|
|
3446678 |
PROCESS FOR HEAT WORKING METALS
|