39results about How to "Low material performance requirements" patented technology

The present invention relates to a method for forming a three-dimensional article through successively depositing individual layers of powder material that are fused together so as to form the article, the method comprising the step of heating a first portion of a support surface while depositing a layer of powder material on a second portion of the support surface.

A method and apparatus that may comprise an EUV light producing mechanism utilizing an EUV plasma source material comprising a material that will form an etching compound, which plasma source material produces EUV light in a band around a selected center wavelength comprising: an EUV plasma generation chamber; an EUV light collector contained within the chamber having a reflective surface containing at least one layer comprising a material that does not form an etching compound and/or forms a compound layer that does not significantly reduce the reflectivity of the reflective surface in the band; an etchant source gas contained within the chamber comprising an etchant source material with which the plasma source material forms an etching compound, which etching compound has a vapor pressure that will allow etching of the etching compound from the reflective surface. The etchant source material may comprises a halogen or halogen compound. The etchant source material may be selected based upon the etching being stimulated in the presence of photons of EUV light and/or DUV light and/or any excited energetic photons with sufficient energy to stimulate the etching of the plasma source material. The apparatus may further comprise an etching stimulation plasma generator providing an etching stimulation plasma in the working vicinity of the reflective surface; and the etchant source material may be selected based upon the etching being stimulated by an etching stimulation plasma. There may also be an ion accelerator accelerating ions toward the reflective surface. The ions may comprise etchant source material. The apparatus and method may comprise a part of an EUV production subsystem with an optical element to be etched of plasma source material.

An object of the present invention is to provide a golf ball resin composition that comprises an ionomer resin with an excellent resilience and fluidity. Another object of the present invention is to provide a golf ball excellent in the resilience without lowering the durability significantly in a golf ball using the ionomer resin for the intermediate layer. The present invention provides a golf ball resin composition comprising, 100 parts by mass of (A) an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer composed of ethylene, α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and α,β-unsaturated carboxylic acid ester, and from 25 parts to 100 parts by mass of (B) a metal salt of a fatty acid having 18 to 30 carbon atoms. The golf ball of the present invention is not limited, as long as it comprises a constituent member formed from the golf ball resin composition of the present invention.

The invention discloses an electric spark induction controllable erosion and mechanical finishing compound cutting dual-servo feeding processing system which is characterized by comprising an electric spark induction erosion electrode servo feeding control system (1) using an erosion state as a sampling basis and a mechanical finishing tool automatic feeding regulating system (2) using a cutting force as a sampling basis, wherein the electric spark induction erosion electrode servo feeding control system controls the feeding of an induction erosion electrode, ensures that the electric spark induction erosion in a machining region is controllably, efficiently and stably carried out, and forms an erosion product and a softened layer through controllable erosion; and the mechanical finishing tool automatic feeding regulating system ensures that the erosion product and the softened layer which are generated by erosion are cut and removed without cutting a base body material, so that the tool loss is reduced, the finished surface quality is ensured and the processing efficiency is increased. According to the invention, the processing efficiency of a metal material difficult in processing can be remarkably increased, the finished surface quality is increased, and the finished surface is final mechanized surface due to the mechanical finishing function of a tool.

A multi-piece golf ball excellent in resilience and controllability includes a core composed of a center and an envelope layer covering the center and at least one cover covering the core, wherein the center is formed from a center composition containing (A) at least one resin component selected from the group consisting of (a-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms, (a-2) an ionomer resin consisting of a metal ion-neutralized product of the binary copolymer, (a-3) a ternary copolymer composed of the binary copolymer components and an β,β-unsaturated carboxylic acid ester, and (a-4) an ionomer resin consisting of a metal ion-neutralized product of the ternary copolymer components and (B) a basic metal salt of a fatty acid, and wherein the envelope layer is formed from a rubber composition.

The invention relates to a bag-making device used for a full-automatic bag-making machine and a bag-making method thereof. The device has a hot blade, an unwinding mechanism, and a rolling mechanism. The output shaft of an unwinding magnetic powder clutch in the unwinding mechanism is fixedly connected with an unwinding roller. An unwinding rack is provided with a plurality of guiding rollers. One end of an unwinding floating frame is rotatably connected with the unwinding rack. The unwinding floating frame is provided with a plurality of guiding rollers. The unwinding rack is fixedly provided with a push rod device which is rotatably connected with the other end of the unwinding floating frame. The output shaft of a rolling magnetic powder clutch in the rolling mechanism is fixedly connected with a wind-up roller. A rolling rack is provided with a plurality of guiding rollers. A rolling floating frame is arranged on the rolling rack. The rolling floating frame is provided with a plurality of guiding rollers. The rolling rack is fixedly provided with a push rod device connected with the rolling floating frame. The bag-making device solves problems that a common film in a common film bag-making process used for a full-automatic bag-making machine easily melts and deforms, and the device reduces production cost.

A multi-piece golf ball includes a core composed of a center, an envelope layer and at least one cover. The center is formed from a composition containing at least one resin component and a basic metal salt of a fatty acid. The resin component is selected from a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid, an ionomer resin consisting of a metal ion-neutralized product of a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid, a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid and an α,β-unsaturated carboxylic acid ester, and an ionomer resin consisting of a metal ion-neutralized product of a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid and an α,β-unsaturated carboxylic acid ester. The envelope layer is formed from a composition containing a thermoplastic resin and/or a thermoplastic elastomer as a resin component.

The invention discloses a double-action hydraulic mechanism, a multi-grade retractable hydraulic mechanism and a hydraulic bracket and belongs to the technical field of hydraulic pressure. The double-action hydraulic mechanism comprises a first cylinder body 3, a second cylinder body 7, a first guide sleeve 4, a second guide sleeve 14, a piston rod 5, a piston 6, a first valve seat 32 and a first valve 25. The multi-grade retractable hydraulic mechanism comprises an outermost-side cylinder body 1, a plurality of middle cylinder bodies 2, the double-action hydraulic mechanism provided by the invention, a second valve seat 49 and a second valve 13. The hydraulic bracket comprises the multi-grade retractable hydraulic mechanism provided by the invention and a column head 8. The double-action hydraulic mechanism, the multi-grade retractable hydraulic mechanism and the hydraulic bracket, provided by the invention, have a relatively large contraction ratio; and the double-action hydraulic mechanism is introduced so that performance requirements on materials of a sealing part and a cylinder barrel are reduced.

The invention discloses a vortex ring generating device, an air conditioner indoor unit and an air conditioner. The vortex ring generating device comprises a shell and a vortex ring generating portion; the shell comprises an air duct and a flow collecting piece, the air duct is provided with an air outlet, the flow collecting piece is installed at the air outlet, an air supply outlet communicating with the air duct is formed in the flow collecting piece, and an air passing area of the air supply outlet is smaller than that of the air outlet; and the vortex ring generating portion comprises a push plate assembly and a driving device, the push plate assembly is arranged in the shell and comprises a flexible part and a push plate connected to the flexible part, the flexible part is connected to the peripheral wall face of the shell, the push plate is arranged towards the air supply outlet, and the driving device drives the push plate to reciprocate in the shell so as to periodically drive airflow to be blown out of the air supply outlet. The vortex ring generating portion of the vortex ring generating device is simple in structure, high in sealing performance, high in reliability and low in cost.

The invention discloses a double-cylinder force-increased splitter. The splitter comprises a base, a splitting block, a wedge block, a piston rod, a pair of pistons and a pair of cylinder bodies, wherein the pair of cylinder bodies are connected in series, one of the cylinder bodies is connected with one end of the base, and the other end of the base is connected with the splitting block; the pairof pistons are arranged in inner cavities of the corresponding cylinder bodies in a sleeved mode, and the two ends of the piston rods are connected with the corresponding pistons; and the wedge blockis arranged in the splitting block in a penetrating mode and connected with the piston rod, force application oil inlets are formed in the ends, far away from the base, of the pair of cylinder bodies, and a reset oil inlet is formed in the end, close to the base, of one cylinder body far away from the base. The double-cylinder force-increased splitter has the advantages of being simple in structure, flexible to use, capable of improving splitting accuracy, beneficial to weight reduction and capable of avoiding hydraulic oil leakage.

The invention provides a comprehensive utilization method of powder by-products generated in the spray forming process. The method comprises the steps that powder by-products are pressed, formed and sintered directly; the powder by-products mainly from extra powder generated in the spray forming green part preparation process, and are named as powder by-products in order to differ from a spray forming green part; according to the pressing forming, a hydraulic single column press or a four-column hydraulic press is adopted for loading the powder by-products into a steel mold to be formed, and agreen body is prepared; according to sintering, a vacuum hot pressing furnace is adopted for performing sintering densification, an alloy is prepared, and therefore the powder by-products are comprehensively utilized. According to the comprehensive utilization method of powder by-products generated in the spray forming process, the preparation technological process is short, the cost is low, operation is easy, convenient and flexible, the prepared materials have the structure and performance advantages of being fine in grain, uniform in structure, free of segregation and high in strength. Themethod can effectively achieve comprehensive utilization of powder by-products, the material utilization rate is increased, and the certain economic benefits are obtained.

The invention discloses a novel self-tapping drill assembling bolt which comprises a fixed bolt and a tapping and drilling rod body, wherein the tapping and drilling rod body comprises a tap screw rodand a drill rod integrally formed; the fixed bolt comprises a screw rod; one end of the screw rod and the free end of the tap screw rod are assembled and connected; a hexagon nut and a first connector extending in the length direction of the screw rod are fixedly arranged at the other end of the screw rod; the tail end of the first connector is arranged to be a polygonal prism structure matched with drilling equipment, or a third mounting groove hole matched with the drilling equipment is formed in the free end surface of the first connector; an external thread matched with a threaded groovehole tapped by the tap screw rod is formed in the outer surface of the fixed bolt; and the fixed bolt and the free end of the tap screw rod are assembled and connected to be adapted to the requirementof a thicker workpiece to flexibly select or cut the fixed bolt with proper length, so that suitability of the fixed bolt is improved; and after drilling, tapping and fastening are finished at one time, the tapping and drilling rod body can be dismantled from the fixed bolt, so that resource waste of the tapping and drilling rod body is reduced.

A powerful rope-controlled cushioning parachute includes parachutes and lifts, A circumferential parachute rope is connected between the parachute and the lifting object, a center rope is connected between the top center of the parachute and the lifting object, and a folding section is arranged on the center rope. During the parachute descending and unfolding, the center rope is pulled by the tension between the parachute and the lifting object, the folding section is gradually unfolded, and the center rope is longer, so that the parachute can be fully unfolded. To achieve full-area deploymentof parachute inflation time prolonged, reduce parachute impact, reduce parachute material performance requirements, improve the safety of air-dropped materials.

The present invention discloses a polyamic acid resin composition in a REACH-approved solvent system for use in wire coating applications. The polyamic acid resin composition comprises a molecular weight greater than 8,000 grams per mole, more preferably greater than 20,000 grams per mole. The REACH-approved solvent system comprising a primary REACHapproved solvent with one or more optional secondary REACH-approved co-solvents. The secondary REACH-approved co-solvent can be reactive or non-reactive with dianhydride. The present invention also discloses the elimination of solvents in polyamic acid resin to produce a REACH-approved polyamic acid resin powder.

The invention relates to a textile reinforcement suitable for being used in a method for impregnation by a thermoplastic impregnation resin, with a view to producing composite parts, including at least one set of substantially parallel high-tenacity yarns, and a sewing yarn sewn through the one or more sets, characterized in that the sewing yarn includes filaments which have a melting temperature higher than the melting temperature of said thermoplastic impregnation resin, and filaments made from a thermoplastic material, which can be mixed into the impregnation resin, and which have a melting temperature lower than the implementation temperature of said thermoplastic impregnation resin.