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| Number | Title | Issue Date |
| 7435373 | Apparatus and method for thermal de-burring of slotted well liners A method and apparatus for removing burrs from inside slotted metal liners exposes the burrs to a high-intensity gas flame that effectively oxidizes or incinerates the burrs, without inducing undesirable temperature levels in the parent metal of the slotted liner. T... | 10/14/2008 |
| 7425298 | Thermal deburring machine A thermal deburring machine (1) is described, comprising a press (2) into which a deburring chamber (3) containing the workpieces to be deburred is inserted. The press (2) and the chamber (3) have a horizontal axis and the c... | 09/16/2008 |
| 7377987 | Steel 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 |
| 7334413 | Apparatus, system and method for observing combustion conditions in a gas turbine engine A fuel injector for a gas turbine combustor is disclosed which includes a feed arm having a flange for mounting the injector within the combustor and a fuel nozzle depending from the feed arm for injecting fuel into the combustor for combustion. An optical sensor ar... | 02/26/2008 |
| 7311823 | Pool filter cleaning device A pool filter cleaning device (1) which allows a person to thoroughly clean a filter cartridge (15) quickly and easily with minimal amount of splash back. The pool filter cleaning device (1) is comprised of a handle (2), an angled head se... | 12/25/2007 |
| 7248366 | Method for marking defect and device therefor The defect marking method comprises the steps of: installing a surface defect tester to detect surface flaw and a marker device to apply marking at defect position, in a continuous processing line of steel sheet; detecting the surface flaw on the steel sheet using t... | 07/24/2007 |
| 7134615 | Nozzle insert for mixed mode fuel injector A fuel injector includes a homogenous charge nozzle outlet set and a conventional nozzle outlet set controlled respectively, by first and second needle valve members. The homogeneous charged nozzle outlet set is defined by a nozzle insert that is attached to an inje... | 11/14/2006 |
| 6713016 | System for thermally treating workpieces with an explosive gas mixture, in particular, a thermal deburring system A system for the thermal treatment of work pieces with an explosive gas mixture, in particular, a thermal deburring system, has a processing chamber (10), which includes a combustion chamber (12) for receiving the work pieces. A supply channel (18 | 03/30/2004 |
| 6537386 | Apparatus and method for surface treatment of metal articles A camera is arranged to map defects in the molten metal bath formed by scarfing using a scarfing torch on a steel slap. The camera has a field of a large area of the slab and records the defects as flashes of high intensity light the nature of which ident... | 03/25/2003 |
| 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 in overlying relationship with a front face (46) of the lower blo... | 08/27/2002 |
| 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 |
| 6174491 | 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 in overlying relationship with a front face (46) of the lower blo... | 01/16/2001 |
| 5773785 | Plasma cutting apparatus for concrete structures A compact plasma cutting apparatus suitable for the thermal cutting of concrete structures includes a sealed housing to which a plasma gas is fed under pressure. A metal strip that serves as an outer hollow electrode is bent such that a widthwise section ... | 06/30/1998 |
| 5747771 | Method and apparatus for forming blind slots including laser melting and gas vortex A method of machining a blind slot 3 in a workpiece 2 comprises heating the surface of the workpiece 2 above its melting temperature with, for example, a beam of laser energy and directing at least two gas streams 5, 6 such that they together with the bas... | 05/05/1998 |
| 5520370 | Gas distribution manifold for metal scarfing apparatus A metal scarfing apparatus having provision for controlling the scarfing depth of cut in separate areas across the width of the hot workpiece, to thereby compensate for the effects of temperature and/or quality variations and achieve a uniform surface. Th... | 05/28/1996 |
| 5497976 | Lower block assembly for use in metal scarfing apparatus A lower block assembly for a thermochemical scarfing apparatus which comprises a base member and an extension releasably joined to the base member. The extension includes a continuous slot across its longitudinal length for delivering a stream of fuel gas... | 03/12/1996 |
| 5358221 | Block assembly for use in metal scarfing apparatus A block assembly for a thermochemical scarfing apparatus which allows a greater diagonal standoff distance from the metal workpiece during preheating. The block assembly comprises a base member and an extension releasably joined to the base member, and th... | 10/25/1994 |
| 5333841 | Nozzle insert for use in metal scarfing apparatus A thermochemical scarfing apparatus is disclosed which allows a greater diagonal standoff distance from the metal workpiece during preheating. The operating steps of the apparatus includes preheating the end of the metal workpiece, and then scarfing the w... | 08/02/1994 |
| 5312091 | Method and device for deburring especially a steel strip cut into slabs A method for deburring especially a steel strip (1) cut into slabs (1a) with the aid of an oxygen cutting torch (18) whose blast is perpendicular to one (2) of the principal faces of the strip (1). The method consists in directing, onto the principal face... | 05/17/1994 |
| 5304256 | Scarfing method A thermochemical scarfing method is disclosed which allows a greater diagonal standoff distance from the metal workpiece during preheating. The method includes preheating the end of the metal workpiece, and then scarfing the workpiece by directing a scarf... | 04/19/1994 |
| 5234658 | Scarfing apparatus A scarfing apparatus which allows a greater diagonal stand-off distance from a slab during preheating and scarfing is disclosed. The apparatus includes a manifold and head assembly for receiving and distributing oxygen and fuel gas. Upper and lower prehea... | 08/10/1993 |
| 5192013 | Scarfing apparatus The invention comprises an apparatus for removing from the outer surface the raised bead resulting from welding in the manufacture of continuous seam-welded metal tubes. A stage or travelling support block mounted for movement transversely of the advancin... | 03/09/1993 |
| 5071105 | Gas torch with visual observation device The torch fitted with a nozzle (6) comprises a visual observation optical device having one end part coaxially inside the central gas feed pipe (7) and the other end extending outside the body (1) at the opposite end to the nozzle; the optical device bein... | 12/10/1991 |
| 4925499 | Method of and an apparatus for controlling a quantity of an explosive gas mixture in a workpiece treatment chamber A method of and an apparatus for controlling a quantity of an explosive gas mixture to be used in treating workpieces with thermal and pressure shocks wherein a signal gas having a predetermined initial pressure is introduced into a workpiece treatment ch... | 05/15/1990 |
| 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 component in the mixture and the pressure thereof being dependent... | 05/02/1989 |
| 4819917 | Apparatus for deburring workpieces by gas detonation An apparatus for deburring workpieces by gas detonation comprises a bed (1) having mounted thereon a casing (2) open at one end (4), and an indexing table (6) with bottoms (7) arranged alternately in front of the open end (4) of the casing (2). There is a... | 04/11/1989 |
| 4802654 | Thermopulse apparatus for deburring parts A thermopulse apparatus for deburring parts has a hollow body (1) housing a working chamber (2) in such a manner as to define a space (7) between the outer walls (6) thereof and inner walls (4) of the body (1) for liquid (8) partly filling the space. The ... | 02/07/1989 |
| 4796867 | Apparatus for thermal deburring of parts An apparatus for thermal deburring of parts has a working chamber (6) with a bottom member (3), an inlet valve (8), a spark plug (9) and an outlet valve. The latter is made in the form of a rod (10) having a through passage (11), one end of the passage co... | 01/10/1989 |
| 4796868 | Apparatus for thermal deburring of parts An apparatus has a cylindrical working chamber (2) with a bottom member (7) provided with admission and discharge valves (3,5) and a spark plug (4). The bottom member (7) is made as a hollow cylinder having end plates and openings (8), the height and outs... | 01/10/1989 |
| 4765597 | Scarfing nozzle Apparatus for scarfing defects in a metal workpiece having an oxygen discharge nozzle terminating in a nozzle discharge orifice adapted to discharge a sheet-like stream of cutting oxygen of uniform intensity across the surface of a metal workpiece and mea... | 08/23/1988 |
| 4633620 | System for processing of steel billets or the like to remove surface defects Methods and apparatus are disclosed for processing of steel billets or the like to remove surface defects. A material-removing device such as a grinding wheel is automatically controlled to initiate removal of material at points where defects have been de... | 01/06/1987 |
| 4615377 | Method of striping hot steel slabs An improved method of and apparatus for striping hot steel slabs on the runout table of a continuous caster employs a torch support and drive mechanism adapted to support a scarfing torch for movement at a uniform rate across the surface of a slab maintai... | 10/07/1986 |
| 4601762 | Methods for conditioning metal products The surface and/or subsurface defects of the surface to be treated are detected, preferably over the entire said surface. The defects are eliminated by scarfing with a torch and/or by milling, following which the treated surface is inspected and cleaned. ... | 07/22/1986 |
| 4600180 | Scarfing tool An apparatus for internally removing a raised weld bead of a longitudinal seam welded tube having an elongate mandrel support body. A cutting tool is mounted on the support body adjacent one of its ends and projects outwardly from one surface on the body.... | 07/15/1986 |
| 4583718 | Nozzle for cutting beard removal A nozzle for the cutting beard removal where by means of additional heat supply the beard is liquified and blown away by the kinetic energy of a gas jet are formed by an upper and a lower nozzle plate with fuel gas discharge openings and an oxygen slot fo... | 04/22/1986 |
| 4566676 | Short tip for a torch and a torch type tool A short nozzle tip for a torch for thermochemical cutting or flame machining has a central cutting oxygen feed bore comprising an intake portion, a reduced-section portion and a conically flaring discharge portion. Associated with the central oxygen feed ... | 01/28/1986 |
| 4441935 | Apparatus and method for scarfing An inspection track is scarfed by moving a burner across a flat surface of a steel slab, particularly a slab of ductile steel of deep-drawing quality, to enable sub-surface inspection of the slab. To achieve accurate control of the depth of the track, the... | 04/10/1984 |
| 4405382 | Scarfing burner arrangement During the flame cutting of a workpiece, a slag bead is produced and is removed by a scarfing burner directed only towards the cut surface of the workpiece.... | 09/20/1983 |
| 4405383 | Method and apparatus for a surface stripping treatment of objects consisting of iron with a high carbon content The invention relates to the surface stripping treatment of objects consisting of iron with a high carbon content, the surface stripping treatment being carried out by means of a flame which is directed at the surface and which is formed by the combustion... | 09/20/1983 |
| 4389038 | Scarfing apparatus Scarfing apparatus for thermochemically treating a metal surface including a desurfacing head and an upper and lower block extending from the head in spaced apart relation to define a slot-like nozzle, output discharge means in at least one of the blocks ... | 06/21/1983 |
