Abstract: A paint implement cleaning system consists of a basic container having at least three water pressure nozzles located therein. There is at least one at the bottom of the container and others are located midway within the container and diametrically opposite from each other. The basic container has a closure cap therein which suspends cleaning implements therefrom. One implement can be a paint laden paint brush which is cleaning by way of the nozzles located within the container. A paint roller can be rotatably supported on a threaded spindle which in turn is suspended from the closure cap. A jet pipe is located adjacent to the paint roller and has a multiple of nozzles thereon which direct pressurized water streams tangentially against the circumference of the paint roller to cause the paint roller to spin while being cleaned.

Abstract: A device for washing bulky items including a trailer having a wash compartment. The floor of the wash compartment allows waste water to be collected and pumped from the interior of the compartment. Onboard generators provide power to a pump for collecting waste water and to a pressure washer that heats water and provides pressured wash liquid to hoses. These hoses may be used to provide heated, high pressure stream of washing liquid to items contained within the wash compartment.

Abstract: An apparatus for cleaning a whole substrate by ejecting a cleaning liquid from a nozzle while rotating the substrate, the apparatus comprising: two or more linear reciprocating driving sources capable of generating outputs independently of one another; a rotation shaft; two or more cam mechanisms for converting the outputs into rotating forces; two or more sets of rotation columns fixed to the rotation shaft rotatably about their respective axes to horizontally support the substrate and sandwich or release the side surface of the substrate in cooperation with one another along with their rotation; two or more transfer members capable of transferring the rotating force to the sets of rotation columns in conjunction with the cam mechanisms, respectively; and a stopper causing the rotation of the cam mechanisms to be related to the rotation of the rotation shaft.

Abstract: A containerizable frame structure having a motion conversion means for telescopically projecting it out of and retracting it into a container. Some applications include umbrellas, banners, signs, portable wall structures, and tables.

Abstract: An umbrella frame having multiple stretching frames each composed of a long rib, a short rib, a stretcher, a connection plate, an elastic rod, a connector and a distal rod all made of plastic, wherein the improvement of the umbrella frame is that engaging parts such as blocks and protrusions on the elements are all made of plastic material and integrally formed with the elements respectively. Thus, joints of the umbrella frame have no erosion concerns in use.

Abstract: A crutch equipped with double shock absorbers is provided. The crutch of the current invention has an air shock absorber vertically combined with a spring shock absorber in one base shaft. A rubber shoe receives bottom of the spring shock absorber. The crutch of the current invention absorbs the shock of stepping ground firstly with the spring shock absorber and then reduces the impact with the air shock absorber. The double shock absorbing mechanism provides a smooth feeling of stepping the ground to a user. The strength of the resilient force of the crutch can be adjusted for each user, based on weight of a user, by medical doctor's characterization.

Abstract: An extensible device for use such as an umbrella engaging mechanism or, alternately, a decorative supported tree. An elongated and lengthwise shaft includes an outer elongated tubular portion and an inner translatable portion. A repositionable clamp device is supported at an upper end of the device, such as for releasably securing an umbrella stem. A rotatable foot support is arranged at a lower end and facilitates driving the shaft into a ground location. In one variant, a rubber dampening insert is secured to a hollowed end of the outer tubular portion and receives a cord extending therethrough and which connects at an interior end to a translatable and noise generating anchor supported upon the end of the inner translatable portion. In another variant, the extensible device functions as a base support for a decorative tree, a plurality of elongated ribs being outwardly extensibly mounted to the outer tubular member, at least at its upper end, and each further including a faux pine branch design.

Abstract: A stake cover has been designed that consists of fabric that fits over the stake, with a slitted side opening that permits the rope to be secured to the stake while the covering is in place, and one or more VELCRO™ type fasteners to secure the stake covering to the stake without interference from the rope. In one embodiment, the stake covering is made of a reflective or fluorescent material, or incorporates a reflector, battery operated lights or flag(s) to further increase visibility. In another embodiment, the stake covering includes padding to further prevent injury in the event an individual trips over the covering. In one embodiment, the stake covering is formed of a waterproof, lightweight material that flattens for easy storage. A padded extender may also be used with the padded stake cover.

Abstract: A method of forming a thermoelectric device may include providing a substrate having a surface, and thermally coupling a thermoelectric p-n couple to a first portion of the surface of a substrate. Moreover, the thermoelectric p-n couple may include a p-type thermoelectric element and an n-type thermoelectric element. In addition, a thermally conductive field layer may be formed on a second portion of the surface of the substrate adjacent the first portion of the surface of the substrate. Related structures are also discussed.

Abstract: A photovoltaic power module (10), comprising a substrate (12) provided with a circuit, one or more photovoltaic cells (16) mounted to the substrate and electrically connected to the circuit, and one or more bypass diodes (20), each corresponding to a respective one or more of the cells, wherein each of the diodes is located between the substrate and the cells and between conducting portions (14) of the circuit. Solder (18) connects the bypass diode, the conducting portions, and the photovoltaic cell.

Abstract: A photovoltaic cell module for a receiver of solar radiation-based electrical power generating system is disclosed. The module includes an assembly for extracting heat from the photovoltaic cells. The assembly includes a coolant chamber positioned behind and in thermal contact with the exposed surface of the photovoltaic cells. The coolant chamber includes an inlet for a coolant and an outlet for heated coolant. The assembly also includes a plurality of beads, rods, bars or balls of high thermal conductivity material in the coolant chamber that are in thermal contact with the photovoltaic cells and each other and together have a large surface area for heat transfer and define a three dimensional labyrinth that can conduct heat therethrough away from the photovoltaic cell or cells.

Abstract: An exemplary solar energy assembly includes a body (10), a solar energy collecting component (20), and a lens module (30). The lens module is movably mounted to the body and is configured for concentrating incident solar radiation onto the solar energy collecting component. The solar energy collecting component is movably mounted to the body and is configured for converting incident solar radiation energy into electrical energy. The solar energy collecting component and the lens module are movable between a first position and a second position. In the first position the lens module, the body, and the solar energy collecting component are stacked on each other. In the second position the solar energy collecting component and the lens module are moved away from the body so as to enable the lens module to concentrate incident solar radiation onto the solar energy collecting component.

Abstract: The present invention relates to heatsink technology for helping to dissipate thermal energy generated or absorbed with respect to optical focusing and/or concentrating systems such as projectors and spotlights as well as trough or dish reflectors. More specifically, the present invention relates to heat sink technology for helping to dissipate thermal energy generated by or absorbed in the proximity of the focus of optical concentrating elements of solar concentrator modules, wherein the heat sink includes a plurality of heat dissipating fins.

Abstract: Solar panels and assembled arrays thereof include a collection of relatively compact, high-capacity power units. Optical components of each power unit include a front window or surface glazing, a primary mirror, secondary mirror and receiver assembly. Primary and secondary mirrors are defined by respective perimeters, at least a portion of which may be substantially coplanar and in contact with the front window. Some primary mirrors are configured with a perimeter of alternating full and truncated sections, and are curved to a base portion forming a pilot hole therein. Receiver assembly mechanical components include an alignment tube for mating with the primary mirror's pilot hole and for housing a photovoltaic solar cell. A base plate provided adjacent to the alignment tube serves to radiate heat emitted by the solar cell, and in some embodiments an additional heat sink provides further passive cooling.

Abstract: Photovoltaic cells integrated with a bypass diode, as well as related systems, components, and methods, are disclosed.

Abstract: A method for producing a serial circuit of solar cells with integrated semiconductor bodies, a serial circuit produced thus and photovoltaic modules, comprising at least one serial circuit. Conducting bodies and semiconducting bodies are applied to an insulating support layer, according to a pattern, whereby the pattern provides at least one dividing line of conducting bodies. Regions adjacent to the conducting bodies are provided with spherical or particle-shaped semiconducting bodies. Parts of the semiconductor bodies are removed and the support layer coated on the side with a back contact layer. The back contact layer of a semiconducting body is thus exposed, for example, and brought into contact with the back contact layer of the solar cell. The other side of the support layer is provided with a front contact layer.

Abstract: In growing a single-crystal silicon by the present invention in a Czochralski method, after a surface of a silicon melt is brought into contact with a seed crystal in a crucible, the silicon melt being added with germanium, the single-crystal silicon is pulled while rotated, and the solar-cell single-crystal silicon substrate is sliced from the single-crystal silicon containing germanium, whereby a germanium content of solar-cell single-crystal silicon substrate is set in the range of not less than 0.1 mole % and less than 1.0 mole %. Desirably the germanium content is set in the range of not less than 0.1 mole % to not more than 0.6 mole %, and the germanium content is set in the range of not less than 0.03 mole % to less than 1.0 mole % when resistivity ranges from 1.4 to 1.9 ?cm. Therefore, conversion efficiency can largely be enhanced compared with the case where the conventional single-crystal silicon substrate is used.

Abstract: A spherical or grain-shaped semiconductor element for use in solar cells and to a method for producing the semiconductor element. Also disclosed is a solar cell including an integrated spherical semiconductor element, a method for producing the solar cell, and a photovoltaic module including at least one solar cell. The semiconductor element includes a back contact layer and a I-III-VI compound semiconductor deposited on a spherical or grain-shaped substrate core. The I-III-VI compound semiconductor is produced by applying precursor layers and subsequent selenization or sulfurization. For producing a solar cell, a plurality of the inventive semiconductor elements is introduced into a substrate layer from which they project on at least one face thereof. The substrate layer is striped on one side, thereby exposing the back contact layer of most of the semiconductor elements.

Abstract: A semiconductor electrode, a fabrication method thereof and a solar cell including the semiconductor electrode each include a metal oxide layer of metal oxide nanoparticles having dye molecules adsorbed thereon. In the semiconductor electrode of the present invention, the surface of the metal oxide layer is treated with an aromatic or heteroaromatic organic material having an electron-donating group. Thus, since the semiconductor electrode can provide an effect of improving photoelectric efficiency by virtue of an increase in short-circuit photocurrent density and open-circuit voltage, it can be applied to a high efficiency solar cell.

Abstract: Disclosed herein are a solar cell-driven display device wherein a dye-sensitized solar cell, which comprises a light-absorbing layer that comprises a semiconductor electrode including a transparent electrode formed on a substrate and nanocrystals adsorbed with a photosensitive dye on the transparent electrode, and a hole transport layer and a counter electrode, is formed so as to exhibit a display device function using a quantum dot light-emitting layer, as well as a manufacturing method thereof. The solar cell-driven display device exhibits the display device function using only solar light, without needing a separate power supply device, and thus can be applied to advertising displays in isolated areas or as other outdoor advertising displays.

Abstract: A method and apparatus for transporting heavy oil in a pipeline using shear heating. Shear heating provided by external friction or internal friction acts to heat the heavy oil to increase or maintain the temperature of the heavy oil as it flows through the pipeline. The pipeline may be designed to enhance shear heating.

Abstract: The present invention provides a fluid flow prevention apparatus for a wet barrel fire hydrant which is simple and inexpensive to install and effectively cuts off water flow while reducing water hammer. The fluid flow apparatus includes an in-line valve member for closing a flow passageway connected to the hydrant that is operably movable from an open to closed position upon damage to the hydrant. An adjustable damping member controls the rate of closing of the valve member to reduce the effects of water hammer.

Abstract: A valve (10) comprises a housing (12) with a valve element (14) which normally fluidicly couples a low pressure operating device, such as a transducer (30) and tubing (34) to be coupled to a patient (36) along a first flow path (42) including a flexible control wall (58) which normally interrupts a second flow path (72) between a high pressure generating source such as an injector syringe (32) and the tubing (34), but which flexes, in response to high pressure excursions from the syringe (32) to allow the second flow path (72) to open as it flexes into the first flow path (42) to thereby restrict same thus providing protection to the transducer (30) during the high pressure excursion from the syringe (32).

Abstract: A flow controller including a unitary controller body with a chemically inert fluid conduit having an insertable constriction or orifice disposed within the conduit having a reduced cross-sectional area to thereby restrict the flow of fluid within the conduit allowing for reliable flow measurement. An integrated circuit or controller may be coupled to the control valve and also coupled to the pressure sensors by a lead structure including signal conductors surrounded by a Faraday cage, and a chemically inert housing coupled to the unitary controller body enclosing the control valve and the pressure sensors.

Abstract: A mass flow controller is disclosed and includes body portion having a first internal passage and at least second internal passage formed therein, a flow control valve coupled to the body portion and in communication with the first and second internal passages, at least one pressure transducer coupled to the body portion and in communication with at least one of the first internal passage, the second internal passage, and the flow restrictor, a nonlinear flow restrictor configured to produce a high compressible laminar flow therethrough coupled to the second internal passage, a thermal sensor in communication with at least one of the first internal passage, the second internal passage, and the flow restrictor, and an exhaust vessel in communication with the flow restrictor.

Abstract: An assembly (10) for feeding water from a water supply into heating systems having a drinking water heater and a heating circulation installation includes a fresh water inlet (14) to be connected to the water supply, a first outlet (16) with a first shut-off valve (32) to be connected to the water heater, and a second outlet (26) with a second shut-off valve (98) to be connected to the heating circulation installation. A differential pressure controlled outlet valve (60) between two backflow preventers (62, 64) forms a system disconnector between the fresh water inlet and the second outlet for physically disconnecting the water supply from the heating circulation installation. This arrangement uses only one fresh water connection to supply both the drinking water heater and the heating circulation installation. Accordingly, the assembly is less voluminous and a separate assembly for filling and re-filling the heating circulation installation is not necessary.

Abstract: A meter bar and meter bar system are provided for directing a fluid. The meter bar includes a first portion, a second portion and a bypass path extending between the first and second portions. The first portion includes a first service port, a first meter port and a first valve. The second portion includes a second service port, a second meter port and a second valve. Each of the first and second valves are movable between metering positions and bypass positions.

Abstract: In accordance with the teachings of the present invention, a shut-off valve is disclosed that has particular application for opening and closing a high pressure compressed gas storage tank. In one embodiment, the valve includes a single sealing member and a bellows. High pressure is provided at inlet port to one side of the sealing member and a bellows chambers so that both sides of the sealing member are at high pressure to provide equalization. A spring bias is the sealing member against a valve seat in one direction. An electromagnetic coil is energized to draw the sealing member away from the valve seat against the bias of the spring.

Abstract: The present invention relates to the field of units for hydraulic pilot control of directional-control valves used in the fabrication of mobile vehicles and particularly relates to a hydraulic pilot control with an oscillation damping system. Connections are provided among the chambers in the pilot control unit to provide a damping effect in the actuation stroke, thereby preventing any oscillation: the provision of such connections among the chambers has the function of preventing air stagnation; this arrangement prevents any undamped behavior due to incomplete filling upon installation or to air transported in the hydraulic fluid.

Abstract: The present invention discloses a water faucet having a faucet body, a valve core is received within the faucet body, an actuator moveably engaged with the valve core for managing a water flow within the faucet body, and a water spigot rotatably coupled to the faucet body for adjusting a water releasing orientation, wherein the water spigot has a water receiving port for allowing the flow poured into said water spigot, and a water releasing port which is perpendicularly orientated with respect to the water receiving port in such a manner when the water spigot is rotated with respect to the faucet body, the water flow is released from the water releasing port with different angle enabling the water faucet serviceable in different orientation.

Abstract: An actuator including a first and second conductor on a dielectric, wherein application of a voltage to the first conductor creates a plasma, thereby modifying a fluid flow in communication with the actuator. Related systems and methods are also provided.

Abstract: The present invention relates to systems to supply medical grade air in which critical flow conditions for delivering oxygen and nitrogen to a system are provided. The ratio of pressure downstream of the orifices to the pressure upstream of orifices for the oxygen and nitrogen is maintained near or below critical pressure ratio.

Abstract: The present invention relates to a preformed liner adhered to the surface of a pipe, and in particular, an oil well pipe, by an adhesive. The liner comprises a polymer, preferably a fluoropolymer. The present invention also relates to a process for adhering the preformed liner to the interior surface of a pipe, and in particular by applying adhesive to the preformed liner. The liner is preferably treated prior to applying the adhesive. A suitable treatment includes etching. The pipe is heated to adhere the preformed liner to the interior surface of the pipe, without buckling the liner. The interior surface of the preformed fluoropolymer liner reduces the deposition of at least one of 1) asphaltenes, 2) paraffin wax, and 3) inorganic scale by at least 40% as compared to the interior surface of the oil pipe without the preformed liner being present.

Abstract: A line resin tube includes a resin composition (C) including 60 to 230 parts by mass of polyamide resin (B) based on 100 parts by mass of polyamide resin (A), wherein the polyamide resin (B) includes 6-nylon and/or denatured 6-nylon, and has a bending modulus of elasticity of 1 GPa or less measured by ASTM D790; and the polyamide resin (A) is obtained by polymerization condensation of xylylene diamine and adipic acid, and has a relative viscosity from 2.0 to 6.0 measured at 25° C. in a solution of 98% concentrated sulfuric acid.

Abstract: The present invention relates to a needle loom comprising a bearing structure (2), at least one textile-product (P) forming head (3) installed on the bearing structure (2), at least two heddle frames (6) capable of intercepting a plurality of warp threads (0), at least one sickle (9) to bring at least two weft threads (T) transversely between the warp threads (0), at least two movable guides (11) each of which is adapted to intercept one of the weft threads (T), actuator means (13) to shift the movable guides (11) and change the weft threads (T) carried by the sickle (9), at least one needle (18) to temporarily retain at least one of said at least two weft threads (T) carried by the sickle (9), and a reed (20) to compact the weft threads (T) against the already formed textile product (P).

Abstract: Fabrics, articles of apparel, and/or garment structures include infrastructure for transmitting information, such as signals produced by a wearer or from another source. Such fabrics may include: a textile formed through a knitting or weaving process, wherein at least one yarn used in the knitting or weaving process is electrically conductive to form sensor regions and/or other integrated electrically conductive infrastructure for transmitting electrical signals. Additional information is provided relating to methods for forming fabrics, articles of apparel, and/or garment structures of the types described above, as well as methods of using such products, e.g., for monitoring and/or displaying information regarding one or more physical and/or physiological parameters.

Abstract: A tool for installing a metal locking tie is disclosed. The tool includes a tension mechanism and a ball set and cut-off mechanism. The tension mechanism tensions the metal locking tie wrapped around a bundle. The ball set and cut-off mechanism includes a guide block and a shear block that engages the guide block. Once the tool tensions the metal locking tie, the guide block and the shear block travel forward in the tool thereby setting a ball in a metal locking tie head and shearing a portion of the tensioned metal locking tie.

Abstract: A container lid assembly (2) that includes an integral pump (6P) so as to create pressure differential within a container. This pressure differential may be lower than atmospheric pressure so as to be at least a partial vacuum within the container. Alternatively, the pressure differential may be a state of higher than atmospheric pressure within the container. There are several features of the present invention that can be when implemented separately. These features include a pump configuration (120) that activates the reciprocating linear motion of the piston (10) by the rotational movement of a pump actuating element; a contents-dispensing mechanism (150) for removing contents from the container while maintaining the at least a partial vacuum within the container, a vacuum indicator, and a filter configured to filter the gases entering the pump from the interior of the container.

Abstract: A system provides a shaped access path to a bag within a receptacle or can. The system comprises a funnel-providing system of a neck portion and a funnel portion. The funnel-providing portion comprises a flexible material that forms a leading edge of the funnel portion that curves back onto itself to form a funnel having a wide leading edge and a narrower base of the funnel portion. The narrower base of the funnel portion is connected to the neck portion. A gripping element extends over at least a length of the neck portion, the gripping portion capable of gripping an element (such as the end of a plastic bag) placed between the gripping element and the neck portion.

Abstract: A copying lathe apparatus includes an elongate support rail, and a rotatable elongate drive screw positioned parallel to the support rail. A carriage assembly can be included and have a carriage member that is slidably mounted along and pivotably mounted about the support rail. The carriage member can have a follower for contacting a pattern, and a cutting tool mount for supporting a cutting tool capable of cutting a work piece. The follower and cutting tool mount can each extend radially outward relative to the support rail. The follower is capable of contacting the pattern, and pivoting while the carriage member slides on the support rail and cause corresponding pivoting movement of the carriage member and cutting tool mount about the support rail so that the cutting tool is capable of cutting the work piece in a manner corresponding to the pattern. A drive member can be mounted to and driven by the drive screw.

Abstract: A wood pelleter production system for wood chips and the like, having a wood chip infeed deck with integrated dryer deck with an array of inverted louvers that allow air or heated air and flue gas mix to flow up through the chip flow. The chips flow from the infeed dryer deck to a hammer mill to refine the wood chips, the wood chips are transferred within a re-circulatory airflow system, to a refined wood chip dispenser, for consistent delivery and monitoring of the refined wood chips to a chip pelleter. Below the pelleter is a pellet cooling means that cools the pellets as the pellets collect and are drop through a cycling grate onto a pellet transfer means with airflow screens for separating wood fines into a re-circulation airflow system which includes a means for separation of wood particles, wood fines and dust from being released into the atmosphere.

Abstract: A powder consists essentially by weight, of 28.00?R?32.00%, where R is at least one rare earth element including Y and the sum of Dy+Tb>0.5, 0.50?B?2.00%, 0.50?Co?3.50%, 0.050?M?0.5%, where M is one or more of the elements Ga, Cu and Al, 0.25 wt %<O?0.5%, 0.15% or less of C, balance Fe.

Abstract: A method for spreading noble metal on an iron particle surface includes: providing a plurality of iron particles, cleaning the iron particles up and separating the iron particles from cleaning water, drying the iron particles, placing the iron particles into a heater oven with a reaction gas, heating the iron particles for oxidation reduction, placing the iron articles into a noble-metal-ion solution for immersion plating, processing the iron particles with a solid-and-liquid separation, and then drying the iron particles. Wherein the heating temperature of the heating oven ranges from 300 to 500 degrees centigrade and the duration thereof ranges from 3 to 5 hours. Whereby, the iron particles are activated first in order to react with the noble metal so that the activity and the uniformity of the noble metal attached to the iron surface is improved.

Abstract: The object of the present invention is to provide a method for forming a coating on the surface of an aluminium or aluminium alloy using a trivalent chromate solution which dose not contain any harmful hexavalent chromium, in which the coating has an excellent corrosion resistance and adhesion with paints. The present invention provides a hexavalent chromium free trivalent chromate solution for an aluminium or aluminium alloy, in which the concentration of a trivalent chromium is in the range of from 0.01 to 100 g/L, the concentration of a metal selected from the group consisting of zinc, cobalt, nickel and a combination thereof is in the range of from 0.01 to 100 g/L and the concentration of a fluorine is in the range of from 0.01 to 50 g/L.

Abstract: A Fe—Ni based permalloy comprises Ni: 30-85 wt %, C: not more than 0.015 wt %, Si: not more than 1.0 wt %, Mn: not more than 1.0 wt %, P: not more than 0.01 wt %, S: not more than 0.005 wt %, O: not more than 0060 wt %, Al: not more than 0.02 wt % and, if necessary, not more than 15 wt % of at least one selected from the group consisting of Mo, Cu, Co and Nb within a range of not more than 20 wt % in total.

Abstract: The present invention relates to a stainless steel alloy, more precisely a duplex stainless steel alloy having ferritic-austenitic matrix and having high corrosion resistance in combination with good structural stability and hot-workability, in particular a duplex stainless steel having a ferritic content of 40-65% and a well-balanced composition, which gives the material corrosion properties making it more suitable for use in chloride-containing environments than what has been found possible previously. The material according to the present invention has, in view of the high alloy content thereof, extraordinarily good workability, in particular hot-workability, and should thereby be very suitable to be used for, for instance, the manufacture of bars: pipes, such as welded and weld less pipes, weld material, construction parts, such as, for instance, flanges and couplings.

Abstract: In a power semiconductor device, a joint between the power semiconductor element and frame plated with Ni is composed of a laminated structure comprising, from the power semiconductor element side, an intermetallic compound layer having a melting point of 260° C. or higher, a Cu layer, a metal layer having a melting point of 260° C. or higher, a Cu layer and an intermetallic layer having a melting point of 260° C. or higher. The structure of the joint buffers the stress generated by the secondary mounting and temperature cycle at the bond for the semiconductor element and the frame having a large difference in thermal expansion coefficient from each other.

Abstract: Disclosed is an internal combustion engine component (1) comprising at least one area (4) that is subject to a greater thermal load then another area (5) during operation of the internal combustion engine. The area (4) that is subjected to a greater thermal load is provided with a lower heat expansion coefficient (?2) then the area (5) which is subject to a lower thermal load.

Abstract: The present invention pertains to steel with high mechanical resistance at room temperature and up to 130° C., good toughness and good corrosion resistance in the metal base as well as good resistance to cracking in the heat affected zones (HAZ) once the tubing is welded together, and more specifically to heavy gauge seamless steel tubing with high mechanical resistance, good toughness and good corrosion resistance called catenary conduit. The advantages of the present invention with respect to those of an the state of technology reside in providing a chemical composition for steel used to manufacture heavy gauge seamless steel tubing with high mechanical resistance, good toughness, good fissure resistance in the HAZ and good corrosion resistance and a process for manufacturing this product. These advantages are obtained by using a composition made up basically of Fe and a specific chemical composition.

Abstract: A high-strength hot-rolled steel sheet excellent in shape fixability having ferrite or bainite as the phase of the largest volume percentage, satisfying all of the following at least at ½ sheet thickness: a mean value of X-ray random intensity ratio in the orientation component group of {100}<011> to {223}<110> to X-ray random diffraction intensity ratio of at least 2.5; a mean value of X-ray random intensity ratio in the three crystal orientation components of {554}<225>, {111}<112>, and {111}<110> to X-ray random diffraction intensity ratio of 3.5 or less; an X-ray intensity ratio to X-ray random diffraction intensity ratio at {100}<011> of at least the X-ray random intensity to X-ray random diffraction intensity ratio at {211}<011>; and an X-ray random intensity ratio to X-ray random intensity ratio diffraction intensity ratio at {100}<011> of at least 2.