511 results about "Hardened steel" patented technology

Earloops with improved post design for increased reliability and quality for over-the-ear style headsets are disclosed. The earloop includes an earloop main body having connecting and stabilizer portions and a post extending from the connection portion for insertion into a corresponding opening in an audio receiver/transmitter assembly. An embedded hardened steel member extends from the post into the connection portion. The stabilizer portion is configured to be positioned over, around and behind a user's ear. The earloop may be incorporated in a headset that includes the audio receiver/transmitter assembly that defines an opening to receive the post therethrough. The audio assembly may be positionable along a length of the post and rotatable about the post. The hardened steel member increases the stiffness and strength and minimizes breakage of the post and thus increases the reliability, quality, and useful life of the earloop and/or headset.

A universal, quick connect, reciprocating saw attachment for electric drills is disclosed, designed as an adapter that converts a power rotary drill into a reciprocating saw. The present invention converts the rotary action of a drill into the necessary reciprocating action to power a saw blade. The present invention adapts to the housing of various cordless drills and provides for a connection of a steel shank to the drill chuck. A gear box with a reciprocating mechanism inside the housing then provides a coupling to a saw blade to provided the necessary cutting action of a conventional reciprocating saw. Additionally, there are buttons that are designed to expand in and out to tighten the chuck which holds the adapter. The housing is made of a heavy duty impact resistant plastic with the associated gears and reciprocating mechanism made from hardened steel. Coupled with a cordless drill, and a saw blade, the present invention provides for the functions of two, usually separate, power tools in the convenience of one.

The invention relates to an alloyed hot-galvanized baking-hardened steel plate and the manufacturing method thereof, which solves the problems of the anti-pulverization of the galvanized layer, the surface quality and the baking-hardened value. The mass percentage for the chemical components of a baseplate is as follows: C 0.0015 to 0.0025 percent, Si less than or equal to 0.030 percent, Mn 0.50 to 0.60 percent, P 0.050 to 0.060 percent, S less than or equal to 0.015 percent, N less than or equal to 0.003 percent, sol.Al 0.030 to 0.055 percent, Nb 0.004 to 0.015 percent, O less than or equal to 0.0050 percent and the rest are Fe and unavoidable impurities. The weight of the galvanized layer (for a single side) is 30-60g/m2 and the mass percentage for the Fe component of the galvanized layer is 8 to 12 percent. The steel plate of the invention has excellent anti-pulverization performance of the galvanized layer, excellent surface quality and appropriate baking-hardened value.

The disclosure relates to a method and an apparatus (10) for producing a packaging container for liquid foods from a packaging container blank (40) by permanently uniting and sealing at least two of its edges (61, 65) with the aid of a hot melt glue, the hot melt glue being applied along one of the two edges with the aid of a heated applicator roller (11). The circumferential surface (21) of the hot roller is preferably made of hardened steel with a coating (22) countersunk in a groove int he surface along the circumference of the circumferential surface, the coating possessing good slippage properties in relation to the hot melt glue and the coating being of a width which corresponds to the region intended for application. A counter roller (14) acts on the opposite side of the packaging laminate blank against the applicator roller for controlling the outflow of the applied hot melt glue strand. How melt glue is applied to the applicator roller by means of a heated nozzle (12) and the surplus which is not transferred to the packaging laminate blank is scrapped off from the applicator roller by means of a doctor blade (15). The hot melt glue is preferably an ethylene vinyl acetate based composition with a high melting point and high viscosity which is applied at least approx. 180° C.

The invention relates to an ultra-low-carbon roasting hardened steel sheet with composite addition of niobium and titanium and a manufacturing method thereof, which belong to the material processing technical field. The compositions in weight percent of the ultra-low-carbon roasting hardened steel sheet are 0.002 to 0.005 percent of carbon, less than or equal to 0.5 percent of silicon, 0.9 to 1.2 percent of manganese, 0.08 to 0.1 phosphor, less than or equal to 0.06 percent of sulfur, 0.02 to 0.05 percent of aluminum, less than or equal to 0.06 percent of nitrogen, 0.01 to 0.02 percent of titanium, 0.01 to 0.02 percent of niobium, and the balance being iron. The microalloy titanium in the steel is used for fixing the carbon, the nitrogen, the sulfur and the niobium in the steel and controlling the carbon, and simultaneously has the function of thinning crystal grains. The the ultra-low-carbon roasting hardened steel sheet has the advantages that the ultra-low-carbon roasting hardened steel sheet can simultaneously have high strength, r value, extensibility and BH value and good room temperature resistant timeliness after the required steel undergoes hot rolling, cold rolling and continuous annealing.

[A method and apparatus for enclosing, controlling and suppressing the detonation of explosives in an explosion chamber is disclosed. The device comprises an elongate double-walled steel explosion chamber anchored to a concrete foundation, and having a double-walled access door for charging new workpieces, and a double-walled vent door for discharging the products of the explosion. The double walls of the chamber, access door and vent door are filled with granular shock damping material such as silica sand, and the floor of the chamber is covered with granular shock-damping bed such as pea gravel. Along the outside of the chamber are steel manifolds from which a linear array of vent pipes penetrates the double walls of the chamber, with each pipe terminating in a hardened steel orifice through which the explosion combustion products pass. Within the chamber, plastic polymer film bags containing water are suspended from steel wires over the explosive material, and at each end of the chamber.] A method and apparatus for containing and suppressing the detonation of explosives utilizing a sealable double-walled chamber having a floor, an access door and a vent door. The chamber walls are filled, and the floor is covered, with granular shock-damping material. Orificed vent pipes penetrate the chamber walls to vent explosion products into one or more exhaust manifolds. Water-filled bags are positioned around the explosive to absorb energy from the detonation.

The invention relates to a kind of cold-rolled hot-galvanized complex phase steel. Chemical components of the cold-rolled hot-galvanized complex phase steel comprise, by weight, 0.05-0.13% of C, 0.1-0.5% of Si, 1.5-2.5% of Mn, less than or equal to 0.015% of P, less than or equal to 0.015% of S, 0.1-0.6% of Al, 0.2-0.6% of Cr, 0.1-0.5% of Mo, 0.01-0.06% of Nb, 0.01-0.06% of Ti, and the balance Feand inevitable impurities. The invention further relates to a preparation method of the cold-rolled hot-galvanized complex phase steel. The preparation method comprises the following steps of castingmolten steel into a steel billet; conducting hot rolling on the steel billet to obtain a hot-rolled plate and conducting cold rolling on the hot-rolled plate to obtain a cold-hardened steel strip; conducting continuous galvanizing and annealing process treatment on the cold-hardened steel strip to obtain a finished cold-rolled hot-galvanized complex phase steel product. The bending performance ofthe cold-rolled hot-galvanized complex phase steel is improved on the basis of meeting the requirement for strength.

A weldable high-strength steel hardened by ageing contains proportionally C, Si, Mn, P, S, Nb, Mo, Ni, Ti, Cu, Cr and Fe. Its preparing process includes smelting, desulfurizing, top blowing, converting, vacuum treating, casting and rolling. Its advantages are excellent mechanical performance and low-temp toughness, and high resistance to atmosphere and seawater corrosion and fatigue.

A method and apparatus for removing modular forms includes a lever arm having a first longitudinal end and a second longitudinal end. A projection such as a hardened steel pin extends beyond the first longitudinal end for engaging a hole defined in a form. The projection extends in a direction generally parallel to a longitudinal axis of the lever arm. A fulcrum is coupled to the lever arm. The fulcrum is disposed closer to the first longitudinal end relative to the second longitudinal end. A knuckle guard is coupled to and is disposed on a same side of the lever arm relative to the fulcrum. The knuckle guard is disposed closer to the second longitudinal end relative to the first longitudinal end.

The present invention relates to a cutting tool insert, solid end mill, or drill, comprising a substrate and a coating. The coating is composed of one or more layers of refractory compounds of which at least one layer comprises a h-Me1Me2X phase, where Me1 is one or several of the elements V, Cr, Nb, and Ta and Me2 is one or several of the elements Ti, Zr, Hf, Al, and Si and X is one or several of the elements N, C, O or B. The ratio R=(at-% X)/(at-% Me1+at-% Me2) of the h-MelMe2X phase is between 0.5 and 1.0, preferably between 0.8 and 1.0 and X contains less than 30 at-% of O+B. This invention is particularly useful in metal cutting applications where the chip thickness is small and the work material is hard e.g. copy milling using solid end mills, insert milling cutters or drilling of hardened steels.

The present invention relates to a cutting tool insert, solid end mill, or drill, comprising a substrate and a coating. The coating is composed of one or more layers of refractory compounds of which at least one layer comprises a cubic (Me,Si)X phase, where Me is one or more of the elements Ti, V, Cr, Zr, Nb, Mo, Hf, Ta and Al, and X is one or more of the elements N, C, O or B. The ratio R=(at-% X)/(at-% Me) of the c-MeSiX phase is between 0.5 and 1.0 and X contains less than 30 at-% of O+B. This invention is particularly useful in metal machining applications where the chip thickness is small and the work material is hard e.g. copy milling using solid end mills, insert milling cutters or drilling of hardened steels.

A hot forming line for producing hot formed and press hardened steel sheet products, includes: a forming device; a heating device having a temperature treatment station, wherein the temperature treatment station includes an upper tool and a lower tool, and at least one temperature treatment source; and exchangeable temperature treatment plates for conductive temperature treatment of a blank or part inserted into the temperature treatment station, wherein the exchangeable temperature treatment plates are constructed for arrangement on the upper tool and/or the lower tool, and the temperature treatment source is constructed for heating or cooling the temperature treatment plates. The temperature treatment station is constructed for treating different regions of the blank or part with different temperatures by conductive contact of the temperature treatment plates with the blank of part.

The present invention relates to a cemented carbide endmilling tool for semifinishing and finishing machining of hardened steels of HRC above 46, comprising a substrate and a wear resistant coating comprising a substrate and a wear resistant coating. The substrate, a, comprises 90-94 wt% WC in a binder phase of Co also containing Cr in such an amount that the Cr/Co weight ratio is 0.05-0.18. The wear resistant coating, b, is 1.8-9.5 µm thick, and comprises a first layer, c, of a hard and wear resistant refractory PVD AlMe nitride or carbonitride where Me is Zr, V, Nb, Cr or Ti having a thickness of 1.0-4.5 µm and an atomic fraction of Al to Me of 1.20-1.50, a second layer, d, of hard and wear resistant refractory PVD AlMe nitride or carbonitride where Me is Zr, V, Nb, Cr or Ti, having a thickness of 0.5-4.5 µm, and an atomic fraction of Al to Me of 1.30-1.70, and in between the first layer (c) and the second layer (d), a 0.05-1.0 µm thick low-A1 layer, (e), the thickness being less than 0.95 times the thickness of thinnest of the first layer (c) and the second layer (d), of an AlMe nitride or carbonitride where Me is Zr, V, Nb, Cr or Ti and an atomic fraction of Al to Me of 0-0.3.

This invention relates to a method for preparing SiC whiskers toughened Ti(CN)-based metal ceramic tool blade. The tool blade is composed of Ti (CN) as the major phase, SiC whiskers as the toughening agent, and metal binding phase and carbide hard phase as the additives. The method comprises: mixing the above components, molding, and sintering in vacuum to obtain a high compactness. Compared with traditional TN metal ceramic tool blade, the SiC whiskers toughened Ti(CN)-based metal ceramic tool blade has such advantages as high strength, high toughness, high wear resistance, high heat resistance, and high cuttability, and can be used for high speed milling, finish turning or semi-finish turning of carbon steel, stainless steel, hardened steel, wear-resistant cast iron and high-strength steel.

A method for laser welding of one or more workpieces made from press hardenable steel, in a butt joint, in which the workpiece or the workpieces have a thickness of at least 1.8 mm and/or a jump in thickness of at least 0.4 mm arises at the butt joint including supplying filler wire into a molten bath generated by a laser beam. In order to ensure that the weld seam can reliably harden into a martensitic structure during the hot forming (press hardening), the filler wire contains at least one alloy element from the group of manganese, chromium, molybdenum, silicon and nickel, wherein the at least one alloy element is present in the filler wire with a mass proportion that is larger by 0.1% by weight than the mass proportion of the element in the press hardenable steel of the workpiece or the workpieces.