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7615720 Pilot arc circuit for a contact start plasma torch  
A contact start plasma system is provided that includes a passive pilot arc circuit that decreases the size and cost of the system. The plasma arc system includes a torch body, an electrode having...
7615719 Autonomous plasma cutting system  
A portable plasma arc torch system can be used for processing materials. The system includes a replaceable or rechargeable power source and replaceable or rechargeable gas source. A controller...
7582847 System for making braces for dies  
A system and method for producing braces for a cavity die having a predetermined shape are disclosed. The system includes an input file containing information about the shape of the cavity die and...
7582844 Torch handle gas control  
Devices and methods are provided that control gas flow to a plasma arc torch local to a torch handle. Generally, a plasma arc torch is provided that comprises a gas control device operable with a...
7549852 Cutting machine  
The present invention relates to a cutting machine comprising at least one moving type cutting table ( 1 ), in which the plastic material to be cut ( 2 ) is placed; a plurality of lower...
7470872 Cooling device and system for a plasma arc torch and associated method  
A plasma arc generation system includes a power module operably engaged with a plasma arc torch head portion and adapted to provide an electrical current for causing an arc at the torch head...
7411149 inverter powered plasma cutting system with fixed gas flow control  
A lightweight and compact plasma cutting system includes a power source having an inverter and a non-adjustable regulator enclosed within the power source. The inverter is configured to generate a...
7326874 Vented shield system for a plasma arc torch  
Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body,...
7186944 Method and apparatus for autodetection of plasma torch consumables  
A method and apparatus for automatically determining a consumable type when a consumable is disposed within an electrode holder of a welding-type system is disclosed. The invention includes a...
7161111 Plasma torch having a quick-connect retaining cup  
A plasma torch assembly having a quick-connect retaining cup is disclosed. The plasma torch has a torch body constructed to receive an electrode therein. A retaining cup secures the electrode to...
7112759 Plasma torch with interchangeable electrode systems  
A plasma torch is provided, comprising a first electrode holder configured to be received by the plasma torch and adapted to cut a thinner workpiece. The first electrode holder is configured to...
7087855 Plasma cutting apparatus and control unit thereof  
Cutting quality of the product, in particular, hole cutting quality, in plasma arc cutting is improved. A control unit, which controls a plasma cutting apparatus for cutting a product from a plate...
7084367 Temperature indicating consumable  
A method and apparatus for indicating a temperature of a torch consumable is disclosed. The invention includes a shielding cup constructed to be attached to a torch having a coating which indicates...
7084368 Thermal cutting machine and cutting method using same  
A thermal cutting machine and a cutting method using the same are described, which employ a simple, long-life torch hood for effectively shutting off spatter, the torch hood enabling easy...
7071441 Cutting system controls, including height control  
A cutting system is disclosed for a plasma cutting torch movable by a driver relative to a work piece along a Z-axis. During cutting, the torch provides an arc voltage proportional to a distance...
7067762 Plasma cutting process and machine  
A plasma cutting machine is provided in which a dross adhesion inhibitor is jetted from a plasma torch toward the cutting start position (piercing position) of the object material. A dross adhesion...
7049540 Process and apparatus for cutting or welding a workpiece  
A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed...
7049541 Cutting guide for plasma torch  
A guide that is used in conjunction with a plasma cutting torch includes a main circular ring having a small circular ring mounted on the outer periphery thereof. The small ring includes a bearing...
7041935 Apparatus and methods for connecting a plasma arc torch lead to a power supply  
A torch lead extension is provided that comprises a conduit having a distal end and a proximal end. The torch lead extension further comprises a distal connector member disposed at the distal end...
7022935 Plasma-cutting torch with integrated high frequency starter  
The present invention is directed to a system including a plasma cutting torch having an output electrode and a plasma cutter starting circuit configured to generate a pilot arc at the output...
6992262 Method and apparatus for localized control of a plasma cutter  
The present invention is directed to a system and method for a plasma cutting system including a plasma cutting power source and a plasma torch operationally connected to the plasma cutting power...
6969669 Method of manufacturing semiconductor device and cutting apparatus for cutting semiconductor wafer  
In the process of plasma dicing in which the semiconductor wafer 6 is divided into individual pieces by plasma, SiO 2 layer 42 and the protective layer 43 , which are formed covering the...
6947802 Centralized control architecture for a laser materials processing system  
Apparatus, systems, and methods for monitoring the processing of a workpiece that includes directing an incident laser beam onto the workpiece and using an optical detector for measuring a signal...
6933463 Main arc ignition device and main arc ignition control method of plasma cutting machine  
A main arc ignition method capable of extending lives of a plasma electrode and a nozzle. For this purpose, before or immediately after starting arc, a plasma torch is supplied with a plasma gas at...
6914209 Plasma arc machining method  
Not only damage to a nozzle caused by spatter generated during piercing is prevented but also the deterioration of the nozzle owing to a pilot arc is restrained, whereby the service life of the...
6888091 Automatic plasma Arc tube cutter/welder  
A device for allowing a rotating plasma arc to perform cutting or welding operations inside tubes with small inside diameters by being attached to existing plasma arc power sources where in the...
6880742 Separating seam welding device  
Shown is a device and a process for the simultaneous separating and welding of foils or foil tubes ( 5 ) where the device comprises at least one welding terminal ( 2 ) and an opposing...
6867387 Device for plasma incision of matter with a specifically tuned radiofrequency electromagnetic field generator  
A device to place an incision into matter with a harmonious plasma cloud. A radiofrequency generator system produces pulsed or continuous electromagnetic waveform which is transmitted by an active...
6855907 Metal cutting process  
A metal cutting process employs an apparatus including a cutting machine operable to cut two dimensional profiles in plates. The plates are transported to and from the cutting machine on carriages....
6852943 Strain relief mechanism for a plasma arc torch  
The present invention relates to a strain relief mechanism for a plasma arc torch. In particular, the invention relates to a strain relief system including a positive axial restraint component for...
6787731 Method for oxyacetylene-cutting a piece of steel and device for carrying out this method  
The invention relates to apparatus for oxygen cutting pieces of steel. The cutter and trimmer members ( 5, 10 ) are positioned in such a manner that the cutting jet ( 6 ) is applied to the top face...
6781085 Method and apparatus of coordinating operating modes of a plasma cutter and a power supply  
The present invention is directed to a method and apparatus for coordinating the idle mode of a plasma cutter with the idle mode of a power supply so as to prevent lock-out of the plasma cutter...
6772040 Centralized control architecture for a plasma arc system  
The invention features a centralized control architecture for a closely-coupled plasma arc system, in which the “intelligence” of the system is integrated into a single controller. The...
6753495 Apparatus and methods for control of a material processing device  
A multi-axis machine method and apparatus for the control of the motion of a material processing device is disclosed. The device has supply element and the apparatus has a supply co-ordination...
6740844 Tool-holder head, in particular for plasma beam cutting machines  
A tool-holder head for machines using radiant energy beams, that is suitable in particular for plasma beam cutting machines, includes a vertical sliding saddle to which at least an energy beam...
6727457 Apparatus for draft control and debris collection in a downdraft metal cutting table  
An apparatus for draft control and debris collection in a downdraft metal cutting table includes one or more partitions positioned beneath the work surface of the table which divide the table into...
6720518 Process and apparatus for cutting or welding a workpiece  
A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed...
6717368 Plasma generator using microwave  
Here is disclosed a plasma generator using microwave wherein a plasma generating chamber is provided with a plurality of wave guide tubes extending in parallel one to another at regular intervals,...
6689983 Torch handle gas control  
Devices and methods are provided that control gas flow to a plasma arc torch local to a torch handle. Generally, a plasma arc torch is provided that comprises a gas control device operable with a...
6664495 Thermal cutting machine and dust collecting method thereof  
A thermal cutting machine and a dust collecting method capable of reducing in size and exhausting fumes and a high pressure gas efficiently. For this purpose, the thermal cutting machine includes a...
6583378 Plasma machining electrode and plasma machining device  
The invention prolongs the electrode lifetime of plasma machining electrodes having a hafnium or zirconium insert. A hafnium or zirconium insert 21 inserted into the tip of a copper holder 22 ...
6534739 Oxygen cutting of slabs  
The invention involves a process for the oxygen cutting of slabs—using one or more oxygen cutting torches—and a device for implementing the process. The process includes the steps of hanging...
6498316 Plasma torch and method for underwater cutting  
A plasma torch and method for cutting a workpiece under water directs a primary gas through a primary gas flow path in the torch to a central exit opening of the torch disposed on a longitudinal...
6486430 Method and apparatus for a contact start plasma cutting process  
An plasma cutter, including a power supply, a cutting torch (with a nozzle), a source of air and a valve, is disclosed. The cutting torch is connected to the two power source outputs (cathode and...
6479785 Device for plasma incision of mater with a specifically tuned radiofrequencty electromagnetic field generator  
A device to place an incision into matter with a harmonious plasma cloud. A radiofrequency generator system produces pulsed or continuous electromagnetic waveform which is transmitted by an active...
6469274 Oxygen arc cutting with plasma pre-heating of ferrous materials, such as structural steel workpieces  
An installation and a method for oxygen arc cutting of a metal workpiece containing at least a ferrous material, in particular a structural steel workpiece, which consists in: pre-heating locally a...
6423921 Method and apparatus for processing components in which a molten phase is produced by local energy input  
Apparatus and methods for processing work piece components in which a molten phase is produced by a local energy input from at least one of an electric arc, a jet of combustible gas, an electron...
6420672 Method and apparatus for detecting an inadequate gas supply for a plasma cutter  
A method and apparatus for plasma cutting is disclosed. A regulated flow of gas is provided to the torch. Power is also provides to the torch. A controller controls the system and includes a delay...
6407358 Process and unit for plasma-arc working with a gas having controlled O2 and N2 contents  
Process and unit for the arc working, particularly plasma cutting, of a workpiece, in which a plasma torch is supplied with an electric current and with a gas mixture containing oxygen and...
6380508 Apparatus and method for severing a tendon used in post-tension construction  
A post-tension construction apparatus including a concrete slab, an anchor embedded in the concrete slab, a tendon fixedly received by and extending through the anchor so as to have a portion...
Matches 1 - 50 out of 200 1 2 3 4 >