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JP09029422 |
To restrain the delay of solidification with mass effect of a casting, to improve the gas permeability of a sand mold (gas ventilation) and to prevent the development of cast defect by using a semi-conductor-made cooling element as accel...
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JP08257685 |
PURPOSE: To form only a part planned as break-dividing part to the brittleness at the step of casting, in a manufacturing method of a bearing forming a bearing body and a bearing cap by break-dividing the bearing part integrally formed b...
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JP08246087 |
To provide a cylinder linear which has improved resistance to abrasion and improved consume rate of a lubricant while reducing fear of abrasion of a piston. The aluminum/silicon alloy for the cylinder liner 6 is composed of silicon of 25...
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JP08238561 |
PURPOSE: To produce a single crystal casting suitable for the production of a turbine blade, etc. CONSTITUTION: This producing method and device are adopted for uniformizing the growth of columnar crystal and coarsening the crystal grain...
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JP08215818 |
PURPOSE: To stably obtain a casting having high wear resistance and toughness by dividing a mold into a thick part and a thin part, using a metallic mold in the thick part and a sand mold in the thin part and arranging a chiller on the s...
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JP08174140 |
PURPOSE: To freely set a cooling part, to prevent the generation of the defect and flash due to the mold drop, and to automate the molding by covering the endothermic body consisting of the granular magnetic metal over the prescribed par...
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JP08174142 |
PURPOSE: To prevent a chiller from falling during the pattern draw by attracting the chiller by a magnet provided on a molding pattern, and providing a fall- preventing tapered part having the reverse gradient to the draft on the chiller...
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JP08103849 |
PURPOSE: To obtain a mold for casting having a chiller surely kept at the normal position after joining the molds. CONSTITUTION: The mold for casting is provided with a drag 1, the chiller 15 set so as to project upward from the joint su...
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JP08039193 |
PURPOSE: To obtain a cast product having stable chilled layer by binding many slender bar materials into a bundle to form a metallic mold and forming a mold surface with the end parts of the metallic mold members. CONSTITUTION: A master ...
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JP07256435 |
PURPOSE: To shorten curing time at the time of casting, in such a casting method using a metallic mold that molten metal of ferrous material is poured into the copper alloy mold and cast. CONSTITUTION: Cavities 5 are formed with the meta...
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JP07251243 |
PURPOSE: To obtain a cost effective casting roll which allows the easy exchange of easily wearable parts and is cost effective by providing the roll with a core and sleeve which are arranged coaxially with each other and axial connecting...
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JP07164131 |
PURPOSE: To improve the wear resistance at a necessary position by hardening only to the necessary position. CONSTITUTION: In this apparatus, sand cores 2a for casting the needing position to the high wear resistance in a spheroidal grap...
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JP07062479 |
PURPOSE: To obtain an aluminum alloy casting having little deterioration of mechanical properties, partically excellent toughness even in the condition of slow cooling speed in the thick part as automobile parts of aluminum wheel, suspen...
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JP07060396 |
PURPOSE: To suppress the occurrence of casting defects and obtain good castings by applying a mold coat having air permeability on a lost foam pattern and chiller, respectively, then mounting this chiller 2 at the thick part of the lost ...
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JP07060399 |
PURPOSE: To decrease working allowances for cutting after casting by forming the inside diameter of a recessed part formed by casting to the same diameter as far as possible over the entire length. CONSTITUTION: An auxiliary metal mold 3...
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JP07051826 |
PURPOSE: To facilitate the forcedly cooling casting of a thick casting having the advantage of a chilling material as it is and making up the defect easily developing void by using foaming material of a metal having high m.p. and high sp...
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JP07034962 |
PURPOSE: To provide a linerless plated cylinder block made of a light alloy which is manufactured through die casting and has a plated layer of high quality and to provide the manufacture thereof CONSTITUTION: The manufacture of a cylind...
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JP07001074 |
PURPOSE: To form the chill layer of sufficient amount in manufacturing the castings made of cast iron, and to prevent failure such as metal penetration defect to be generated by the presence of the chill promoting agent such as the metal...
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JP06285586 |
PURPOSE: To provide a method for casting an aluminum wheel without fear of developing uneven plating. CONSTITUTION: On a mold 1 forming a design surface in the aluminum wheel, cooling pipes or cavities 1a are arranged, and by forcedly co...
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JP06254654 |
PURPOSE: To mount cooling metals of upper and lower dies together on a pre-set jig plate, to maintain an arrangement of the cooling metals of the upper and lower dies on the pre-set jig plate and to automatically and respectively seal th...
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JP06238392 |
PURPOSE: To enable automatic laying onto a drag preset jig for a drag chiller and to improve the productivity by holding the drag chiller embedded in the drag with a drag chiller turning-over device, taking out the drag chiller in this c...
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JP06238428 |
PURPOSE: To securely and easily take a casting out of a drag by inverting the taken-out casting, removing the sand attached to the casting, and then, placing it on a product preset jig plate. CONSTITUTION: An upper molding flask, a cope ...
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JP06234053 |
PURPOSE: To obtain a cast iron-made cam shaft provided with an oil feeding hole as cast on a chilled surface of the cam by setting a chiller arranged with a slender carbon rod at the position corresponding to the oil feeding hole on the ...
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JP06226402 |
PURPOSE: To provide a method, in which a chiller of a cope can automatically be mounted to a prescribed position of a cope preset jig plate, and equipment therefor. CONSTITUTION: In this method, a process for ascending and separating onl...
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JP06190532 |
PURPOSE: To prevent the deformation of an annular edge core and to uniformize the thickness around the annular space in a piston by arranging solidification promoting parts to non-supporting part which is easily expansion-deformed by rec...
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JP06154996 |
PURPOSE: To make filling of sand, etc., in the inner part and taking-out of the sand after casting unnecessary by growing dendritic structure from the cast product surface and tubular worked product surface to the inside, in the cast pro...
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JP06142869 |
PURPOSE: To produce cast-iron hollow component parts, more adequately a cast-iron cylinder liner for piston engines in such a manner that the casting of the cylinder has high strength. CONSTITUTION: The cast-iron cylinder liner for the p...
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JP06126411 |
PURPOSE: To prevent the cast defect in the thick part of a bearing holder in a cylinder block. CONSTITUTION: In a casting device for the cylinder block, recessed parts 14p are formed on the thick part of the bearing holder in the cylinde...
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JP06114540 |
PURPOSE: To quicken the solidification of the thick part of a casting and prevent the occurrence of casting defect such as casting blow hole in this part by locally quenching the thick forming part in a core at super low temp. with lique...
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JP06108147 |
PURPOSE: To prevent the generation of the defect of surface fold on the surface of a product by casting the molten metal of cast iron in which the content of C, Si, Mn, S, P and Mg is specified in a water cooled die made of a copper alla...
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JP06033944 |
PURPOSE: To correctly let mating surfaces of two parts coincide with each other by forming the mating surface of the first part to have a protruded part having a head at a tip, and the mating surface of the second part to have a recessed...
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JP05318073 |
PURPOSE: To stabilize the quality of a casting by detecting molten metal condition into a metallic mold with an infrared ray sensor and controlling a casting time and a cooling condition with the detecting signal. CONSTITUTION: In the me...
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JP05253665 |
PURPOSE: To manufacture a high chromium cast iron excellent in wear resistance. CONSTITUTION: At the time of manufacturing the high chromium casting iron having composition by wt.% composed of 2.5-3.7 C, 0.3-1% Si, 0.5-1.5% Mn, 14-18% Cr...
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JP05253656 |
PURPOSE: To provide a metallic tubular product having amorphous phase or super fine crystal phase for the most part of a structure by making a mold and a core with a metal having high thermal conductivity, pouring molten metal into a tub...
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JP05172767 |
PURPOSE: To accurately calculate the chill depth and necessary inoculation amount of the original molten metal. CONSTITUTION: A wedge-shaped chill container 10 cooling the original molten metal, the thermocouple 20 arranged to a part gen...
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JP05161957 |
PURPOSE: To easily manufacture a casting without blow hole defect and to improve quality and precision. CONSTITUTION: An upper mold 1 and a lower mold 2 are formed of a metallic mold and a core 3 is formed of a shell core. The core 3 is ...
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JP05104234 |
PURPOSE: To locally form chilled layer by taking out a casting at the step when the surface of the casting solidifies and the inner part is not yet sufficiently cooled, and locally applying air blowing on the surface of the part to be ne...
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JP05076976 |
PURPOSE: To provide a method for obtaining the good formability, restraining heating temp, in forging as lower as possible while avoiding lowering of the strength caused by thermal effect in the case of manufacturing a member of a wheel,...
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JP05023826 |
PURPOSE: To lighten a hollow chilled cam shaft and to improve wear resistance of a cam part by inserting a hollow shaft formed unitedly a bearing part, cam part and journal part with a lost foam pattern casting method as cast-in and chil...
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JP05023831 |
PURPOSE: To prevent concentration of casting stress in a joint part and also, crystallization of coarse graphite in peripheral face of a hat part by restraining rapid cooling in the joint part between the hat part and a disk part in a ca...
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JP05009632 |
PURPOSE: To produce a Zn alloy casting having excellent mechanical strength, hardly undergoing the deterioration of the physical properties due to aging and suitable for use as stock for a metal mold for molding plastic or as a bearing a...
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JP05005123 |
PURPOSE: To provide the remelt hardening treatment method, in which manufacturing process of e.g. cam shaft for engine parts can be simplified. CONSTITUTION: Molten metal is poured into cavity in dies, and at the time, when surface layer...
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JP04220151 |
PURPOSE: To simplify the work of setting plural pieces of chiller components in the forming die for making the mold. CONSTITUTION: The holding component 14 A which holds plural chiller components in the prescribed arranging state freely ...
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JP04118164 |
PURPOSE: To partially crystallize chills on the surface of a casting by a simple method without using chillers and ceramic casting mold by applying metallic fine powder for cooling and a heating material on the inside surfaces of cavitie...
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JP04087876 |
PURPOSE: To reduce the weight of an air cylinder and to secure steady performance and durability by forming the sliding face of an air cylinder body of a chilled crystall layer which is few in very fine casting defect occuring in casting...
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JP04000316 |
PURPOSE: To easily process a cast product by applying annealing after casting to part for executing the processing of the cast product, which is cast by using a metallic mold, and softening. CONSTITUTION: By pouring molten iron composed ...
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JP04000317 |
PURPOSE: To easily process a cast product by applying annealing under the specific condition after casting to part for executing the processing of the cast product, which is cast by using a metallic mold, and softening. CONSTITUTION: By ...
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JP03204150 |
PURPOSE: To obtain a sliding parts being difficult to develop pitting and scuff and having excellent durability by making the structure of surface layer on the sliding parts having the specific chemical composition to the structure with ...
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JP03138066 |
PURPOSE: To eliminate uneveness of temp. in a cylinder liner and to uniformize structure by setting chillers in contact with inner circumferential face in the cylinder liner at side part of the bore line direction of bore cores at the ti...
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JP03118940 |
PURPOSE: To smoothen sucked gas flow and to improve degree of freedom in a layout by forming a sucking gas passage communicated with a gas sucking port of a combustion chamber in a cylinder head for an engine along a spiral axis having t...
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