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Patent Searching and Data


Matches 301 - 350 out of 920

Document Document Title
JP2899362B2  
JP2899412B2  
JP2891912B2  
JPH11114664A
To prevent considerable heat loss from a preheated mold, to facilitate the treatment of a mold and to improve solidification controllability of molten material by preparing a casting chamber communicating to the bottom of a mold preheati...  
JP2885983B2  
JPH1172094A
To use as a cylinder of a rotary compressor a cast iron which is excellent in wear resistance and workability and made by using a sand mold together with a chiller. In a compressor using as a cylinder a cast iron made by machining using ...  
JP11057965A
To provide a test casting for an aluminum alloy casting having mechanical property similar to a metallic mold casting and particularly excellent toughness in nearly the same delivery time as by an ordinary sand mold casting, used for car...  
JP11013534A
To provide a cylinder head for suppressing the generation of steam bubbles inside a cooling water passage so as to effectively discharge the steam bubbles, a manufacturing method of the cylinder head, and a casting core for use in the ma...  
JP2868407B2
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...  
JP2832970B2  
JP2822178B2  
JPH10296416A
To facilitate the change of a chiller pin and to improve the efficiency of changing work. In the chiller pin 1 being fit into a mold from the lower side and pushing up the mold after casting, the shaft 2 being inserted into the longitudi...  
JPH10263794A
To increase the strength of a thick-walled part and the fatigue strength, and to improve the machinability by setting a modulus-designed chiller in a thick-walled part casting cavity as a core, and cooling the thick-walled part of the ca...  
JPH10252552A
To provide a method of manufacturing a cylinder for a two-cycle engine high efficiently at a low cost. In a manufacturing method of a cylinder 1 for a two-cycle engine provided with a pair of hollow scavenge passages 7, 7, a cylinder mat...  
JP2790624B2  
JPH10225748A
To obtain a piston for internal combustion engine having stable strength without thinning the thickness of the piston near a supporting body by inclining the center line of the supporting body to the outer peripheral side of the piston a...  
JPH10146666A
To enable local cooling by setting a contact part of a die and a cooling core not larger than 1/2, of the die side of the core and making the part of the die side of the core into projecting parts like. For example, an aluminum foil 1 is...  
JP2756626B2  
JPH10130774A
To provide a cast iron material for hydraulic pump shaft, suitable for a compact, lightweight hydraulic pump, having high strength, and excellent in scuffing resistance and wear resistance, and a shaft for hydraulic pump. This cast iron ...  
JP2745067B2  
JPH1085923A
To provide a method for joinning different kinds of member by which a first member having comparatively low melting temp. is inserted in a second member having comparatively high melting temp. In this metal joinning method, the first mem...  
JPH1085901A
To facilitate the discharging of molding sand and to fully remove the molding sand by arranging plural hollow spokes opened into hollow-annular chambers in a hub and a flange and discharging the molding sand (cores) from the spoke part, ...  
JPH1024356A
To provide a casting device which can improve the casting speed and obtain a large-sized casting alloy at the time of casting the alloy having single crystal structure and columnar crystal structure, a casting method and a turbine blade ...  
JPH09324857A
To prevent some casting burrs from being generated at a location ion a piston where a concentration of stress may easily be produced. Each of dies 42, 44 and dies 48, 50 forming connector members 20, 21 is aligned to each other in such a...  
JPH09314281A
To prevent the development of metal penetration and shrinkage cavity. An aluminum foil 15 is stuck on recessed parts 10, 11 of an upper die 2 and a lower die 11 and also on sand core surface positions 12, 13 faced to the recessed parts 1...  
JPH09317463A
To provide an exhaust device formed such that a fourcycle engine is arranged in a compact manner in an engine room togetherwith an exhaust pipe and further, mold constitution, such as an exhaust pipe core and a main mold, is simplified t...  
JPH09248663A
To automate the attachment/detachment of a chill plate by arranging cavities corresponding to 1/4 of a chilled treating member at four corners of the chill plate. The chill plate 1 has the substantially same height as the height of a mol...  
JP2654619B2  
JPH09220659A
To eliminate the boring work at a post stage and also, to attain efficient cool even in the case of being a complicate shape. A metallic mold 10 is formed by integrally inserting a pipe 14 with a metallic mold material 16 as cast-in in t...  
JPH09168856A
To efficiently form a high quality aluminum alloy layer without generating casting defect to an aluminum alloy layer laminated to a reinforcing die part made of cast iron. The device is provided with a FC flask 12 as cope, a heating mean...  
JPH09155518A
To simply cast a cam shaft being a casting having chilled structure only at the cam part. At the time of casting the cam shaft being the casting by dividing a metallic mold 1 into plural splitted molds 6-11, the mold opening of the split...  
JP2618196B2  
JPH09141410A
To reduce the embedded number of chill plates to half and the total height and width of a mold by making a constitution having substantially the same height as the mold height and half slitting type cavity of each member to be chill-trea...  
JPH09141417A
To prevent the occurrence of casting defect by promoting the solidification of the molten metal almost uniformly over a whole and also to improve the cycle time of a casting by accelerating the solidification of the whole molten metal. I...  
JPH09144924A
To strengthen a jointed condition between a valve casing main body and a valve seat casted and jointed to the valve casing main body. While a valve casing main body 1 is molded under a condition that a filler metal in which a first ring ...  
JPH09118106A
To avoid the enlargement of an equipment, and improve the working efficiency by casting a hub insert by integrally forming an insert boss to constitute at least a part of a boss to support a wheel shaft and a brake drum to surround this ...  
JPH09113505A
To accurately and quickly evaluate the chill tendency of a molten metal in the stage of the molten metal by setting the chill carbon equivalent in the constituent composition of the molten cast iron. When the chill carbon equivalent CEc ...  
JP2622342B2
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...  
JP2597032B2  
JP2597031B2  
JPH0929422A
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...  
JP2575714B2  
JPH08257685A
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...  
JPH08246087A
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...  
JPH08238561A
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...  
JPH08215818A
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...  
JPH08174142A
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...  
JPH08174140A
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...  
JPH08103849A
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...  
JPH0839193A
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 ...  

Matches 301 - 350 out of 920