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Patent Searching and Data


Matches 501 - 550 out of 920

Document Document Title
JPS63482B2  
JPS62296935A
PURPOSE: To easily cast partial hardening casting having good accuracy and quality by inserting a dissipating model into a die forming part, bringing a rapid cooling part into contact with the die face and the other part into contact wit...  
JPS62193941U  
JPS62193939U  
JPS62250125A
PURPOSE: To manufacture brake parts each having improved braking performance at the sliding part and improved mechanical properties at the hub part by embedding chilling blocks in a sand casting mold so that a formed hub part is surround...  
JPS6251636B2  
JPS62244546A
PURPOSE: To improve the resistance to cracking and exfoliation of a mold coating material for a chill and to improve the coating performance thereof by using a mixture prepd. by compounding a specific ratio of Al powder with refractory p...  
JPS62211349A
PURPOSE: To manufacture an alloy chilled roll stock excellent in wear resistance, by refining an alloy having a specific composition consisting of C, Si, Mn, P, S, Ni, Cr, Mo, W, and Fe, by chilling the melt, and by properly heat-treatin...  
JPS6243777B2  
JPS6235557Y2  
JPS62185827A
PURPOSE: To manufacture the titled part superior in ultrasonic transparency, by converting a region requiring ultrasonic flaw detection in austenitic stainless cast steel part contg. a specified quantity of ferrite phase to unidirectiona...  
JPS62168653A
PURPOSE: To prevent the generation of shrinkage cavities by providing a sand width between chillers to satisfy the specific equation to the chillers and disposing such chillers over approximately the entire surface of a drag on the side ...  
JPS62144867A
PURPOSE: To decrease the generation of cracks in inter-valve parts, etc., by removing chillers from a casting mold and allowing spheroidal or mass graphite to precipitate when the temp. of a rough shape material for a cylinder head cools...  
JPS62144866A
PURPOSE: To improve toughness and strength by chilling the surface parts in inter-valve parts and inter-valve and chamber parts to a specific depth and heating the chilled parts to a specific temp. thereby decomposing cementite. CONSTITU...  
JPS62144850A  
JPS6229135B2  
JPS62137159A
PURPOSE: To prevent the defects of a product and to improve the safety of an operation by disposing chillers for cooling the top part of a piston to the bottom of a casting mold. CONSTITUTION: A holder 2 detained to a revolving shaft 1 i...  
JPS62118962A
PURPOSE: To optionally and precisely control the solidifying speed of a casting by providing means for electronically controlling the flow of heat from chillers via heat exchangers. CONSTITUTION: The chillers 4aW7a and 4bW7b are disposed...  
JPS6219933B2  
JPS6277148A
PURPOSE: To prevent blowhole defects and to obtain a casting having high strength by disposing a chiller formed by bundling metallic bar-shaped pieces to a pattern surface corresponding to the surface of the casting requiring quick cooli...  
JPS6272461A
PURPOSE: To prevent a metallic oxide from floating on the surface or settling into a molten metal by liberating from a base metal by incorporating the particles of the metallic oxide into the molten metal and installing a chiller into th...  
JPS6241439U  
JPS6254546A
PURPOSE: To prevent the defective packing of shell sand and to obtain a cam shaft having a good casting surface by forming the prescribed part of the cams of the cam shaft by blow molding and the other parts by dump molding and casting t...  
JPS6213521A
PURPOSE: To provide superior wear resistance by chilling a part of an iron-base member requiring wear resistance during casting, adding the powder of a metal different from the base material and having superior wear resistance to a part ...  
JPS629761A
PURPOSE: To prevent pipy defects and to suppress the generation of the fatique crack of a propeller by disposing chillers to a drag on the side to directly contact with a molten metal over approximately the entire surface thereof and spe...  
JPS61296938A
PURPOSE: To decrease the casting defects of a casting and to improve the quality thereof in casting using a sand mold by keeping feeding a cooling gas to the inside of the sand mold until a molten metal solidifies before and after a pour...  
JPS61289961A  
JPS6159813B2  
JPS61185556U  
JPS61245958A
PURPOSE: To make possible the easy removal of a shrinkage cavity by machining by crystallizing thoroughly WC carbide in the cooling process of a molten metal thereby forming dense and uniform composite structure to the outside layer part...  
JPS61243277A  
JPS61238458A
PURPOSE: To prevent the generation of casting defects such as shrinkage cavity arising from the defective heat insulation of a metallic mold by providing plural hermetic chambers to the metallic mold and adjusting respectively the degree...  
JPS61219566A
PURPOSE: To maintain the flatness and smoothness of a surface plate satisfactorily by the use of nodular graphite cast iron having 80% or more of spherodization rate, 100μm or less of graphite grain diameter, 70/mm2 or more of graphite ...  
JPS61501756A  
JPS61182443A  
JPS61180664A
PURPOSE: To prevent the defect in a thick-walled part and to assure strength by providing a sand core for a water jacket to the cavity of a casting mold and disposing cores for reduced thickness recesses in common use as chills thereto. ...  
JPS61177324A  
JPS61172653A
PURPOSE: To provide a casting mold with which a product having a defectless and good material characteristic in the part near the surface of the body is inexpensively obtainable in a casting mold consisting of the metallic mold part for ...  
JPS61172652A
PURPOSE: To provide a casting mold with which a product having a defectless and good material characteristic in the part near the surface of the body is inexpensively obtainable in a casting mold consisting of the metallic mold part for ...  
JPS61172630A
PURPOSE: To make the surface temp. of whole sections uniform by controlling the surface temp. of the reference section A of four sections A, B, C, D which are in a row in length and breadth on their surfaces in those which fit plural hea...  
JPS61162244A
PURPOSE: To simplify construction and to improve cooling efficiency by the constitution consisting in passing cooling water to the cooling water holes, which are provided to molding blocks having cavity forming surfaces on the front face...  
JPS61147945A
PURPOSE: To produce a blank material for a Siamese type cylinder block having no apertures at all on the outside wall by producing a casting by using collapsible cores as cores for water jackets then discharging the core forming material...  
JPS6163351U  
JPS6163342U  
JPS6163355U  
JPS6178548A
PURPOSE: To eliminate the need for mounting, recovering, screening and molding of chillers and recovering of sand and to improve workability by using permanent casting molds having high heat conductivity to the parts to be chilled of the...  
JPS6167540A
PURPOSE: To prevent the generation of defective casting without increasing the pouring temp. of a molten metal in the stage of precision casting using a metallic pattern by using porous materials to form the thin walled part, round part,...  
JPS6167554A  
JPS6149650U  
JPS6163341A
PURPOSE: To prevent the positional deviation of many chillers for quick cooling of cam parts after a casting operation and to permit the easy cleaning thereof in a casting device for a cam shaft by disposing said chillers perpendicularly...  

Matches 501 - 550 out of 920