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| Number | Title | Issue Date |
| 7340321 | Method and device for milling freeform surfaces In a method and a device for cutting freeform surfaces, a workpiece is cut by a tool or a cutter to produce a desired freeform surface. For the purpose of cutting, the tool is moved along at least one defined tool path or cutting path relative to the workpiece. In a... | 03/04/2008 |
| 7309464 | Steerable magnetic wheel carriage A lightweight remote controlled carriage apparatus having a frame means composed of a first frame member and a second frame member interconnected by a transverse frame member having a transverse frame member axis; the transverse frame member having a pivot point int... | 12/18/2007 |
| 7186947 | Process monitor for laser and plasma materials processing of materials A method for monitoring the processing of a workpiece includes directing an incident laser beam onto the workpiece and measuring a signal emitted from the workpiece. At least two signals are generated by a detector based upon the emitted signal. A workpiece processi... | 03/06/2007 |
| 7122147 | Emergency cutting torch system An emergency cutting torch system adapted to be stored within a compartment of a rescue vehicle. The emergency cutting torch system may comprise a wheeled cart adapted to maintain a first gas storage tank and a second gas storage tank to the wheeled cart in all orie... | 10/17/2006 |
| 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 emitted from the workpiece as a result of the incident laser beam. The... | 09/20/2005 |
| 6824624 | Method 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 |
| 6783605 | High 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 |
| 6761776 | Torch cutter exhaust system A torch cutter exhaust system has a torch and an exhaust shroud at least partially encircling a discharge tip of the torch and mounted to the torch for movement therewith. The shroud is a crescent-shaped enclosure having an intake port and an output port. A table is... | 07/13/2004 |
| 6627004 | Carriage for cutting, beveling and welding torches A carriage for guiding a cutting, beveling or welding torch on the surface of a metal work piece has a chassis which is transported along a main path on the work piece by a magnetic wheel assembly driven by a reversible motor mounted on the chassis. A rac... | 09/30/2003 |
| 6596222 | Carriage assembly for positioning and moving equipment relative to a wall A carriage assembly is shown for moving equipment for testing or other functions along a wall surface. The carriage assembly includes a main frame for supporting the equipment in relationship to other equipment and to the wall surface, and a sub-frame tha... | 07/22/2003 |
| 6236013 | Combined process and automatic installation for plasma-jet marking and cutting or welding, in particular of metals A process and an automatic installation for plasma-jet marking and for cutting or welding various materials. A carrying structure carries both a plasma-marking torch and at least one torch for plasma or laser cutting, oxycutting or plasma or laser welding... | 05/22/2001 |
| 6222155 | Cutting apparatus with thermal and nonthermal cutters, and associated methods A table has a pervious support surface and a gantry is mounted for movement across the support surface in a longitudinal direction. A carriage is mounted to the gantry for movement across the support surface in a transverse direction. Water jet and plasma... | 04/24/2001 |
| 5853655 | Magnetic wheel guided carriage with positioning arm A remote controlled welding and cutting carriage, with an automated positioning arm, to facilitate welding and cutting of flat and curved surfaces including plate and pipe without the use of track, band or similar carriage positioning or guidance mechanis... | 12/29/1998 |
| 5693286 | Cart mounting a welding torch or cutting torch A cart traveling on a track material in mounting a welding torch or cutting torch includes two drive apparatuses to transmit the drive power independently to left and right wheels. The cart can incorporate a magnet inside the cart body so as to be movable... | 12/02/1997 |
| 5478052 | Carriage for guiding a tool along a specified path on a workpiece A carriage is disclosed for holding and guiding a tool along a specified path on a workpiece at a controlled, substantially constant speed. The carriage has at least one drive roller disposed on a bed with drive means for rotating the drive roller. A pair... | 12/26/1995 |
| 5443199 | Universal carriage for cutting and welding An apparatus for performance of cutting and welding operations includes an enclosure which encloses a drive motor and which supports a drive wheel and an idler wheel for driving the enclosure along a track. A first support rod projects from the enclosure ... | 08/22/1995 |
| 5254829 | Use of a plasma torch to open a tap hole in a metal furnace A water-cooled plasma torch specially designed to drill into a refractory material is used in a method for opening a tap hole closed by a plug in a wall of a furnace. This method which is particularly well adapted for robotization, includes the step of me... | 10/19/1993 |
| 5018705 | Break away torch holder for cutting machines Automatic cutting machines carry flame cutting torches in close proximity of a work piece and can force the torch into contact with an upturned cut away piece from the work piece, causing considerable damage to the cutting apparatus. The subject apparatus... | 05/28/1991 |
| 4778154 | Welding torch carriage A wheeled holder is designed to hold and carry a welding torch stably along a chosen welding line. The holder includes adjusting means for varying the mounting position of the torch relative to the wheels. The circumferential edge of each wheel is designe... | 10/18/1988 |
| 4747886 | Tube fin removal robot A robot drive for cutting fins having pipes extending on opposite sides therefrom, with the pipes laying in parallel spaced apart rows, comprises a carriage which can move in the longitudinal direction between rows of the pipes. A pair of driven guide rol... | 05/31/1988 |
| 4734991 | Adjustable roller support for cutting torches A guide roller attachment for a cutting torch which consists of a clamp member secured to hex nut of the cutting torch and a pair of elongated legs with knurled wheels rotatably coupled thereto. The legs are adjustably coupled to the clamp member to contr... | 04/05/1988 |
| 4695041 | Cutting torch holder The invention is for an oxy cutting torch holder having a frame with a pair of vertically adjustible posts with bearing wheels at their lower ends. A nozzle-receiving passageway is disposed in the frame with a novel nozzle retaining device. Provision is m... | 09/22/1987 |
| 4662612 | Flame cutting apparatus for coping I-beams A flame cutting apparatus is disclosed which has been particularly configured for coping the end portion of a structural steel I-beam workpiece. The apparatus includes a roller conveyor for receiving the workpiece, and a frame positioned in association wi... | 05/05/1987 |
| 4626650 | Two-axis cutting machine using a plasma arc torch or the like A two-axis cutting machine for cutting a workpiece along a desired cutting path, has a frame for holding the workpiece, a rail fixed to the frame, a beam arranged to move along the rail and having a pair of driving points spaced apart along the axis of th... | 12/02/1986 |
| 4610433 | Torch-cutting machine for thermally cutting elongate members In a torch cutting machine for thermally cutting hot elongate members which are conveyed horizontally at a varying speed or with a varying direction of movement, a torch-carrying carriage is movable parallel to and with the elongate member during the cutt... | 09/09/1986 |
| 4606528 | Motorized hand torch with improved brake mechanism A motorized hand torch with an improved brake mechanism is provided. The brake mechanism includes a brake lever which is manually actuable to either a locked or an unlocked position. The brake lever, in turn, has a cam portion thereon which moves a pivota... | 08/19/1986 |
| 4469311 | Motorized hand torch A semi-automatic, motorized hand torch, or gas cutting machine, that is capable of being freely operated with one hand and characterized by device head having a cutting torch tip, respective conduit means for supplying to the tip preheat oxygen, cutting o... | 09/04/1984 |
| 4460162 | Torch guiding system for flame cutting of pipe An improved guide for cutting-off and/or bevelling pipe with a torch using a ring-shaped member with circular guide-surfaces fixed around the pipe, includes the ring-shaped member circumference forming axially spaced first and second rim-and-ledge tracks ... | 07/17/1984 |
| 4457382 | Device for supporting and guiding a working tool Portable working device for supporting and guiding a working tool, particularly a welding or burning torch. The device has a bogie with a single tube-like axle, the supporting traveling wheels of which are magnets with pole shoes with independent drives. ... | 07/03/1984 |
| 4422384 | All position tractor A tractor assembly for mounting on a track fixed to a workpiece the tractor used to support and guide a metal-working tool along a fixed path, the tractor having three wheels to engage opposite edges of the track, one of said wheels being laterally displa... | 12/27/1983 |
| 4417384 | Members for supporting a movable load An elongate member capable of forming a part of a support structure for a coordinate machine tool comprises a first relatively rigid elongate part 11 for supporting the weight of a movable load, a second relatively resilient elongate part 12 for locating ... | 11/29/1983 |
| 4405117 | Guiding attachment for a cutting torch The present invention is a guiding attachment for use in combination with a cutting torch which includes a nozzle which has a truncated conical tip portion and a cylindrical portion, an elongated member mechanically coupled to the nozzle and a gas supplyi... | 09/20/1983 |
| 4378934 | Method and apparatus for salvaging large pipe elbows An apparatus is disclosed for re-claiming used or damaged tube turns and rendering them equivalent to new tube turns with correctly oriented openings. A salvaged tube turn is temporarily fixed to a platform in a position such that the longitudinal axis of... | 04/05/1983 |
| 4366950 | Method and apparatus for cutting stainless steel Gas cutting of a plate material such as of stainless steel or stainless-clad steel is efficiently carried out by advancing a cutting torch along a mild steel bead formed on the material by melting thereon mild steel using a welding torch. When the materia... | 01/04/1983 |
| 4344606 | Welding and cutting handpiece An oxy-acetylene torch, having a welding and cutting handpiece wherein a flame nozzle is in communication with a gas mixing chamber and a cutting nozzle is in communication with an oxygen conduit, the cutting nozzle being supported from and displaced from... | 08/17/1982 |
| 4330109 | Heavy duty carriage assembly A heavy duty carriage assembly for supporting and guiding a metal-working tool along a fixed path the assembly having a three wheeled support with two driven wheels and a single leading wheel. The carriage assembly is guided along a path determined by a r... | 05/18/1982 |
| 4327898 | Traveling torch What is disclosed is a traveling torch comprising a carriage mounted on wheels and adapted to traverse a track; motor and variable speed traction drive transmission for moving the carriage along the track and carried by the carriage with the weight of the... | 05/04/1982 |
| 4303227 | Apparatus for cutting a moving metallic strip into uniform pieces An improved cutting apparatus of the type comprising an endless roller conveyor (4) for carrying a moving strip (1), a carriage (9) located above the strip (1) and adapted to move in the same direction as the strip (1) and in the opposite direction and a ... | 12/01/1981 |
| 4283044 | Apparatus for guiding a tool along a curved path An apparatus for guiding a tool on a curved path which includes an elongated guide member elastically deformed in the shape of a spline curve and a means responsive to said elastically deformed curved guide member for directing or limiting the movement of... | 08/11/1981 |
| 4280687 | Flame cutter A cutting machine for severing a moving strand portion includes an elongated support; the strand portion normally moves near the support in one direction of elongation thereof, and a carriage may be operably moved on the support in the one direction and i... | 07/28/1981 |
