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A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8049131 | Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same The present invention, in a welded joint of steel sheets and a steel pipe body having a tensile strength of 800 MPa or more (over X100 in API Standards), provides: the welded joint of the steel sheets and the steel pipe produced by forming a steel sheet into a cylin... | 11/01/2011 |
| 7763822 | Hybrid tubular wire electrode for submerged arc welding The hybrid wire of the present invention comprises approximately 1% Wt to 30% Wt of non-metallic ingredients, with the preferred concentrations selected from the range from about 5% Wt to about 15% Wt. Non-metallic compounds and metallic oxides, which were added to ... | 07/27/2010 |
| 7507933 | Method for fabricating a rotor shaft A method for fabricating a rotor shaft using a welding process. The method includes positioning a first rotor shaft section adjacent a second rotor shaft section, and using a submerged arc welding process with an included weld preparation angle of between about 0° ... | 03/24/2009 |
| 7361411 | Hardfacing alloy, methods, and products Disclosed is a hardfacing alloy capable of withstanding service abrasion of the order of silicious earth particles and weldable on industrial products, such as tool joints and stabilizers used in oil and gas well drilling, and other industrial products. The hardfaci... | 04/22/2008 |
| 7189941 | Process for making heterogeneous joints under shielding gas In joining heterogeneous materials that differ in their melting points, a shielding gas mixture with active gas content is utilized. In particular, the shielding gas mixture contains helium and active gasses in the vpm range (0.005 to 0.5% by volume). These shieldin... | 03/13/2007 |
| 7172105 | Apparatus for positioning pipe and tubing A counterweight assembly is especially adapted for mounting to a spinner tool allowing a workpiece to be balanced when rotated during welding or other operations. The counterweight assembly has an adjustable counterweight to provide a necessary amount of counterbala... | 02/06/2007 |
| 7173215 | Method for evaluating and/or comparing welding consumables Methods and systems are disclosed for characterizing a welding consumable, such as flux or an electrode, and/or for comparing two or more welding consumables for use in narrow gap deep groove welding operations, including creating test welds on fixtures having joint... | 02/06/2007 |
| 7148443 | Consumable guide tube The invention is a consumable guide tube comprising a thin first elongated strip, a second elongated strip and a plurality of insulators. The thin first elongated strip has a front face and a back face and the front face has at least one longitudinal channel. The se... | 12/12/2006 |
| 6940042 | Flux-cored wire for gas-shielded arc welding A flux-cored wire for gas-shielded arc welding comprises a steel sheath, and a flux filled in the steel sheath. The flux-cored wire has a C content of 0.20% by mass or below, a Si content in the range of 0.06 to 1.10% by mass, a Mn content in the range of 0.55 to 1.... | 09/06/2005 |
| 6919534 | Welded joints in high strength, heat resistant steels, and a welding method therefor A welding method and a welded joint for high strength, temperature resistant steels produce the same strength as the base metal in the welded joint, thereby resolving strength problems in the heat affected area by making a simple change to the welding method. Additi... | 07/19/2005 |
| 6331688 | Use of a metal powder for surface coating by submerged arc welding The present invention concerns the use of a pre-alloyed atomised powder in combination with at least one melting electrode wire in the SAW method. The electrode wire is an unalloyed or low-alloy metal wire and the metal powder is a metal powder containing... | 12/18/2001 |
| 6303904 | Weld material, gas metal arc welding method, and welded structure An object of the present invention is to provide a weld material which contains 8 to 13% Cr, and can be used with the GMA welding method, a GMA welding method which has superior arc stability and can provide a welded material having superior properties, a... | 10/16/2001 |
| 6177651 | Method and apparatus for producing welding power A method or apparatus for sub arc/tubular wire arc welding includes providing a first wire to a first welding arc and a first ac power signal to the first welding arc. The first ac power signal is a substantially constant voltage signal. A second wire may... | 01/23/2001 |
| 6127643 | Welding process A process, called Covered Trailing Edge of Weld (CTEW) that can be applied during fusion welding that produces a weld without cracks and porosity and reduced residual stress level, is described. The process eliminates or reduces the need of non-destructiv... | 10/03/2000 |
| 5945014 | Method of arc welding heavy steel plates A method of welding together two steel plates with a thickness greater than about 3/8 inches from one side of the plates, the method comprising the steps of: tapering a generally straight edge of the plates to form an included angle in the range of about ... | 08/31/1999 |
| 5837956 | Method of fabricating high strength and high toughness large-diameter welded steel pipe Utilizing a low-oxygen welding flux, and a low carbon welding wire, seam welding is conducted by submerged arc welding so that the resulting weld metal has a chemical composition, in which PWM value defined as below is in a range of from 0.18 t... | 11/17/1998 |
| 5536913 | Submerged-arc welding apparatus Apparatus for making a circular weld using the submerged-arc welding process, the apparatus comprising a generally horizontal, extendible and contractible boom having inner and outer ends, the boom being supported adjacent the inner end for rotation about... | 07/16/1996 |
| 5532445 | Apparatus and process for the longitudinal-side welding of tubes to flat steel bars In a process and an apparatus for the longitudinal-side welding of tubes (1) to flat steel bars (2), in which the welding in each case is carried out on the top side and on the underside of the flat steel bars (2), the welding torches (4) are arranged in ... | 07/02/1996 |
| 5532454 | Method of joining metal parts by fusion welding A method of joining metal parts by fusion arc welding in a weld of small volume includes the steps of providing the metal parts to be joined having a first side which accessible to a welding operation and a second side opposite the first side. The metal p... | 07/02/1996 |
| 5430269 | Submerged arc welding method for high strength Cr-Mo steel A submerged arc welding method for a high strength (2.25%-3%)Cr-3% Mo-V steel, to obtain a weld metal excellent in strength at room temperature and high temperature, toughness, and creep strength, after SR, temper brittleness resistance, cold crack resist... | 07/04/1995 |
| 5214265 | High speed low deposition submerged arc welding apparatus and method A method and apparatus for submerged arc welding with four electrodes positioned along a line from front to rear. The first of the electrodes is supplied with direct current, and the remaining three electrodes are supplied with alternating current. The di... | 05/25/1993 |
| 5171958 | High-efficiency fillet welding method for steel plate A high-efficiency fillet welding method for conducting, without edge preparation, T-shape fillet welding of thick steel webs having a C content not more than 0.21 wt %. The welding is conducted by using a leading electrode (L) and a trailing electrode (T)... | 12/15/1992 |
| 5140140 | Method and apparatus of submerged arc welding with electrodes in tandem A method and apparatus for submerged arc welding using five-electrodes having direct current (DC) connected to one electrode and alternating current (AC) connected to the other four electrodes. The electrodes are aligned in a row with predetermined angles... | 08/18/1992 |
| 5070225 | Method for overhead submerged arc welding and apparatus to implement the same The invention relates to technology and equipment for arc welding. A method of overhead submerged arc welding consists in that flux at the wing site is pressure-fed to the joint being welded from below at different pressures along the joint being welded, a co... | 12/03/1991 |
| 5004884 | Method of submerged arc welding a thick steel plate with large heat input and submerged arc welding flux A method of submerged arc welding of thick steel plates with a large heat input and flux for submerged arc welding which comprises: forming a groove having a multi-angle shape which has at least two different angular inclination when a single side submerg... | 04/02/1991 |
| 4929812 | Method for electrical arc spot welding with consumable electrode A method according to the invention comprises fixing a consumable electrode (1) with respect to a current carrying device (2), positioning it over a surface (4) of a part (5) to be fused, firing a welding arc (8) between the end face (3) of the electrode ... | 05/29/1990 |
| 4841116 | Process for automatic fusion welding of rails A process for automatic fusion welding of rails by a combination of submerged arc welding and electroslag welding, comprising a root run for welding a rail base by submerged arc welding and, without interruption of the welding, subsequent runs for welding... | 06/20/1989 |
| 4723060 | Feeder equalizer and homogenizer An improved feeder for feeding particulate materials to a weld zone wherein the particles of different materials fed are in desired proportions to each other at any cross-section of the outlet device, the feeder converting an intermittent feed to a contin... | 02/02/1988 |
| 4605362 | Rotary compressor and method of assembly A rotary compressor of the type having an outer metal cylinder casing, a metal cylinder with a vane slot and a vane and the method of assembling the compressor by forming the cylinder with a circular chamber, the center of which is in alignment with the c... | 08/12/1986 |
| 4584457 | Device for arc welding, in particular submerged-arc welding, with one or several fusible electrodes A device for arc welding having one or more fusible electrodes (15) which are in each case supplied from an alternating-current source (14) having a falling characteristic. The feed rate of the electrode (15) is regulated for constant arc length as a func... | 04/22/1986 |
| 4575606 | Method of electroslag welding and flux A method of electroslag welding consists in mounting parts to be welded with a required gap, assembling a forming device, introducing an electrode into the gap between the parts to be welded, filling the gap with a flux, setting a slag pool with subsequen... | 03/11/1986 |
| 4572936 | Submerged arc welding process In a submerged arc multiple wire welding system, only one or two of the welding wires used are over or microalloyed wires. The other wires are commercially available unalloyed or low-alloyed solid wires. The process produces a weld metal which has unexpec... | 02/25/1986 |
| 4570047 | Submerged automatic arc welder A welding machine includes a main housing with head stock and tail stock sections at its opposite ends having respective chucks for supporting a rotating work piece. A carriage movable endwise between the head stock and tail stock sections includes a head... | 02/11/1986 |
| 4442340 | Four-electrode submerged arc welding process A four-electrode submerged arc welding process employs connections of four electrodes aligned in one row for alternating current source so that electromagnetic force Fx4 in a direction opposite to a welding direction acting upon a middle point ... | 04/10/1984 |
| 4442334 | Device for feeding welding wire in a submerged arc welding operation A device for feeding welding wire in a submerged arc welding operation in which there is a narrow gap between workpieces which are to be welded together comprises a guide support having a plurality of spaced apart welding wire straightening roller assembl... | 04/10/1984 |
| 4430545 | Method for submerged-arc welding a very low carbon steel A method for producing line pipe of high strength and high toughness by the submerged-arc welding process in which a welding wire containing 0.18-0.55% C. is used, Ti or B or both are added to the welding wire or flux or both, and a steel containing 0.005... | 02/07/1984 |
| 4414459 | Method and apparatus for overhead welding Apparatus for overhead welding a first metal plate to a second metal plate comprising a base; an electrically insulated support for granular flux, adapted to span and cover with flux an overhead joint to be welded, on the base; a welding wire guide for di... | 11/08/1983 |
| 4368371 | Process for the submerged-arc welding of light metals such as aluminum and aluminum alloys A welding process for joining aluminum materials in a horizontal welding position, without preheating, this process being highly economical and characterized by minimal environmental pollution, good strength and toughness of the welded joint, in which pro... | 01/11/1983 |
| 4363951 | Both-side single layer, high speed submerged arc welding process A process for both-side single layer, high speed submerged arc welding of steel plate for use in low-temperature applications having a particular chemical composition with a welding flux and welding wire is disclosed. The welding flux comprises 20 to 30 w... | 12/14/1982 |
| 4349717 | Flux dam assembly and method The flux dams used to form mounds of granular flux in submerged arc welding deteriorate rapidly because they are subjected to elevated temperatures and high heat. These flux dams also twist and distort creating gaps. Granular flux bleeds through these gap... | 09/14/1982 |
