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| Number | Title | Issue Date |
| 8097204 | Bevel head attachment for plasma and oxy fuel cutting machines A lightweight bevel head attachment for a torch cutting machine includes a horizontal support tray, a rotation assembly mounted under the support tray, a tilt assembly coupled to the rotation assembly for rotation therewith about a vertical axis, a torch holder carr... | 01/17/2012 |
| 7611662 | Swivel tip attachment for cutting torch The present invention provides a fully rotatable swivel attachment tip for a cutting torch over a broad radius range. The tip comprises two selectable fixed angle members that, in combination allow orientation of the cutting tip precisely where the operator desires.... | 11/03/2009 |
| 7338280 | Interchangeable piezoelectric lighter An interchangeable piezoelectric lighter includes a casing having a switcher cavity and a valve switcher rotatably received in the switcher cavity wherein the valve switcher includes at least two gas nozzles axially provided therein. The gas nozzles are adapted for ... | 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 |
| 7074112 | Apparatus that holds and tilts a tool The invention provides an apparatus that holds and tilts a tool over a tilt range and substantially about a vertex. The apparatus includes a base having pivots defining a base line and a base pivot distance. The apparatus also includes first and second pivot arms co... | 07/11/2006 |
| 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 (1.1) of the piece (1) in a substantially ve... | 09/07/2004 |
| 6764640 | Torch-based cutting tool A torch cutting tool has a clamp that is attached to a workpiece with the clamp having a rotating platform with an attached first latch member. A second latch member is attached to a track with a moveable carriage on which is mounted a positioning arm with a torch h... | 07/20/2004 |
| 6720683 | Machine tool with a linear drive for machining element A machine tool has an operating unit that can be moved by at least one linear motor (24) along a first guide structure in the direction of a first axis of travel (z-axis) and by at least one second linear motor (21, 22) jointly with the first guide str... | 04/13/2004 |
| 6663824 | 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 the steel at the side where the cutting process begins. Mo... | 12/16/2003 |
| 6620373 | Cutting torch guide A cutting torch guide is described in which a block is formed with a torch tip stop flange that defines a torch tip abutment plane and that is shaped to abut with and angularly position a torch tip with respect to a workpiece plane. An angle iron edge rec... | 09/16/2003 |
| 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 |
| 6451245 | Oxy-fuel torch with a single control for the valves The invention relates to an oxy-fuel torch. The torch comprises a body (10) comprising a number of pipes for conveying at least two streams of gas between inlets (14, 15) and outlets; at least two valves (16, 20, 22) mounted in said body capable of adopti... | 09/17/2002 |
| 6372179 | Metal plate cutting machine A machine for cutting metal plates by laser, plasma, water and/or oxygen cutting, comprising, on a supporting platform, at least two rails for longitudinal translatory sliding of a portal-like structure for slidingly supporting at least one cutting head w... | 04/16/2002 |
| 6277323 | Cutting 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... | 08/21/2001 |
| 6277322 | Deburring apparatus An oxygen cutting machine (1) is designed for a billets, blooms, slabs or heavy plates in a pair of up and down arranged rails (3) having a novel heat protection plate (6) and no uncooled machine parts below the rails (3), which moves sideways with a drif... | 08/21/2001 |
| 6245284 | Head fitter A device for fabricating a tank head prior to attachment to a tank. A movable turntable of the invention holds the tank head horizontally on its rotatable top surface. The movable turntable travels on rails so that is can move the tank head under an overh... | 06/12/2001 |
| 6113845 | Versatile cutting torch system A versatile torch assembly is provided including a base and a mounting arm coupled to the base. Also included is a plate rotatably mounted with respect to the mounting arm. A torch is mounted on the plate for cutting purposes.... | 09/05/2000 |
| 6103183 | Supporting guide for oxyacetylene torch A supporting guide for an oxyacetylene torch provides a body having spaced legs defining a recess therebetween to carry gas supply pipes of the torch for releasable attachment of the supporting guide to the supply pipes. A body portion distal from the rec... | 08/15/2000 |
| 6060679 | Method and apparatus for disposal of edge trim scrap cut from a metal piece An edge trimmed piece that is cut from a long metal slab with a cutting torch carried along the slab edge is automatically crosscut into short manageable length pieces with a secondary crosscutting torch. Both torches are mounted on the same carriage and ... | 05/09/2000 |
| 6051803 | Pipe cutting apparatus Plasma arc cutter apparatus for cutting large diameter pipe from within the pipe, a frame with adjustable legs, a locking device to secure the apparatus within the pipe, apparatus to adjust the spacing between the plasma arc and the inside wall of the pip... | 04/18/2000 |
| 5891266 | Method 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 |
| 5849243 | Flexible acetylene cutting torch handle A new Flexible Acetylene Cutting Torch Handle for offering an acetylene torch that is easier to use in tight and obstructed places. The inventive device includes a flexible hose, an anti-bend casing, and a clip. In use, the inventive device is useful when... | 12/15/1998 |
| 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 divided into a preheat oxygen supply branch and a cutting oxyg... | 08/11/1998 |
| 5782445 | Mounting and locating device for a breakaway tool holder A breakaway mechanism for supporting a non-contact tool to protect the tool in the event of an inadvertent collision includes a non-redundant locating system to establish precise tool repositioning and a magnetic holding device to retain the tool in its o... | 07/21/1998 |
| 5700421 | Cutting 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... | 12/23/1997 |
| 5560843 | Frame construction and a machining device provided with it The present invention provides for a frame construction which comprises frames wherein a machining tool and functional devices for making the tool operate are mounted on separate frames, and the respective frames can run independently. The present inventi... | 10/01/1996 |
| 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 |
| 5286005 | Long life and multipurpose high performance burner By means of an extended nozzle head having several excentrical nozzle receptions although the cutting oxygen is in line with the cutting jet bores, rotation of the nozzle head or of the total lower part of the burner can bring the working cutting nozzle i... | 02/15/1994 |
| 5286006 | Bevel cutting device A bevel cutting device for cutting a bevel in a workpiece includes a frame and a vertical cutting torch, disposed on the frame, for cutting a root face of the workpiece. At least one bevel cutting torch is provided for cutting a bevel in the workpiece. Th... | 02/15/1994 |
| 5265849 | Plate cutting device A plate cutting device having a cutting member for cutting a workpiece vertically or aslant comprises a stand and the cutting member coupled with a hose or a cord, an end of the hose or cord being connected to a part of said stand. An inclining device for... | 11/30/1993 |
| 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 coordinate system. An X-axis positioner is provided for moving ... | 10/26/1993 |
| 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 torches to be stored completely outside the cutting table when n... | 03/30/1993 |
| 5160549 | Tube fin trimming machine and method for use A tube fin trimming machine adapted for clamping and cutting elongated finned structures, such as finned tubes. The trimming machine includes an elongated main frame having at least one guideway, support means attached to the baseplate and adapted for sup... | 11/03/1992 |
| 5120026 | Fluid cooled cutting torch for operation with a premix and postmix nozzle A fluid cooled cutting torch includes a hollow handle, a torch butt assembly, a torch head, supply tubes for preheat gas, preheat oxygen and cutting oxygen and cooling fluid supply and drainage conduits. The torch head is adapted to interchangeably receiv... | 06/09/1992 |
| 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 |
| 4947535 | Method which provides for the placement of a bit point of a bit at a predetermined position The present invention pertains to a method which provides for the placement of a bit point of a bit at a predetermined position with respect to a rotatable member. The method includes the steps of burning into a holder a surface which corresponds to a por... | 08/14/1990 |
| 4899993 | Breakaway tool assembly A breakaway mounting assembly for a cutting torch or other non-contact tool includes a tool mounting collar with an outer frustoconical bearing surface adapted to be received in an annular support ring having a complimentary inner frustoconical bearing su... | 02/13/1990 |
| 4897904 | Apparatus which provides for the placement of a bit point of a bit at a predetermined position The present invention pertains to a method which provides for the placement of a bit point of a bit at a predetermined position with respect to a rotatable member. The method includes the steps of burning into a holder a surface which corresponds to a por... | 02/06/1990 |
| 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 |
| 4667936 | Pipe cutting apparatus This invention relates to a pipe cutting apparatus for cutting large diameter pipe. The apparatus is provided with a cutting means which can be angled for cutting miters. The cutting means can be a torch. The apparatus has a flexible drive mechanism which... | 05/26/1987 |
