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81. 发明专利

JPH04347385A SCROLL COMPRESSOR 失效
公开(公告)号：JPH04347385A
公开(公告)日：1992-12-02
申请号：JP12032891
申请日：1991-05-24
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： HAYASHI TETSUYA , KAJI TOSHIHIKO , KONDO KATSUYOSHI , TAKEDA YOSHINOBU
IPC分类号： F04C18/02
摘要： PURPOSE:To keep off any seizure or binding due to co-chafing of two blade by having a moving blade and stationary blade both made of an aluminum alloy, and making one side blade with a power metal forging aluminum alloy and the other side with a melting cast aluminum alloy with a specific mean thermal expansion coefficient and a Young's modulus, respectively. CONSTITUTION:In a device which is made up of housing a rockingly rotating moving blade 2 formed into an involute curve and a static side stationary blade 3 in a compressor casing 1, one side blade is made of a powder metal forging aluminum alloy of more than HRB95 in hardness and the other side made of a melting casting Al-Si alloy of more than HRB70 in hardness and more than 16-20m10 / deg.C in a mean thermal expansion coefficient up to 150 deg.C from a conservatory and 8000kg/mm in a Young modulus. In this connection, the powder metal forging aluminum alloy consists of Fe, Ni, Fe+Ni:Zr+Ti+Mo+V, Cu, Mg. Mn and Si. The melting casting aluminum-Si alloy consists of Si, Cu, Mg and Mn.

82. 发明专利

JPH04325648A PRODUCTION OF SINTERED ALUMINUM ALLOY 失效
公开(公告)号：JPH04325648A
公开(公告)日：1992-11-16
申请号：JP12484691
申请日：1991-04-25
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： HAYASHI TETSUYA , TAKEDA YOSHINOBU
IPC分类号： B22F1/00 , B22F3/10 , B22F9/08 , C22C1/04 , C22C21/02
摘要： PURPOSE:To produce a sintered aluminum alloy having high precision and high density, excellent in mechanical properties and physical properties, and also having superior wear resistance by means of normal pressure sintering while obviating the necessity of plastic working. CONSTITUTION:A molten metal which has a composition consisting of, by weight, 6.0-40.0% Si, 2.0-8.0% Cu, 0.2-2.0% Mg, and the balance essentially aluminum and further containing, if necessary, =10 deg.C/sec solidification rate. The resulting rapidly solidified aluminum alloy powder is subjected, if necessary, to annealing at 250-450 deg.C and then cold-compacted to >=70% density ratio. The resulting green compact is subjected to normal pressure sintering in a nonoxidizing atmosphere with =90% density ratio.

83. 发明专利

JPH04308050A PRODUCTION OF SINTERED ALUMINUM ALLOY REINFORCED BY DISPERSION 失效
公开(公告)号：JPH04308050A
公开(公告)日：1992-10-30
申请号：JP9808091
申请日：1991-04-03
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： HAYASHI TETSUYA , TAKEDA YOSHINOBU
IPC分类号： C22C1/04 , C22C1/05 , C22C21/00
摘要： PURPOSE:To produce a sintered Al alloy reinforced by dispersion and having high mechanical strength and dimensional accuracy by conventional sintering without carrying out hot plastic working. CONSTITUTION:Composite Al alloy powder contg. 3-30vol.% reinforcing particles of =90% density ratio by heating at >=530 deg.C in vacuum or in an inert gaseous atmosphere having

84. 发明专利

JPH03217047A SEMICONDUCTOR HOUSING 失效
公开(公告)号：JPH03217047A
公开(公告)日：1991-09-24
申请号：JP1309190
申请日：1990-01-22
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： OSADA MITSUO , ABE YUUGAKU , HAYASHI TETSUYA
IPC分类号： H01L23/08 , H01L21/48 , H01L23/06
摘要： PURPOSE:To prevent discharge of gas at the time of heat treatment after a housing is formed, and to prevent thermal deformation due to influence of occlusion gas at the time of heating by removing the gas such as N2, H2O, etc., from the interior of a material such as Al-Si composite material. CONSTITUTION:In a semiconductor housing formed of an Al-Si composite material, occlusion gas such as N2, H2O, etc., is removed from the interior of the material. For example, Al (60wt.%) and Si (40wt.%) are dissolved, atomized, and quenched to Al-Si composite powder. Then, the quenched powder is hot molded (extruded or hot pressed) to provide a material. Thereafter, the material is heat treated in vacuum of 10 Torr or less at 450 deg.C for 30min, and occlusion gas such as N2, H2O, etc., is removed from the composite material. Subsequently, it is thermally degassed, machined, and a housing having an opening in the center is manufactured.

85. 发明专利

JPH0191911A JIG FOR EXTRUSION FORMING 失效
公开(公告)号：JPH0191911A
公开(公告)日：1989-04-11
申请号：JP24846487
申请日：1987-09-30
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： FUJIWARA TOSHIO , INOUE KATSUMI , HAYASHI TETSUYA
IPC分类号： B21C35/02
摘要： PURPOSE:To absorb the speed of an extrusion body and to prevent the bend and camber of the extrusion body by integrally linking plural hydraulic cylinders with arranging in parallel, communicating the hydraulic chamber of each hydraulic cylinder mutually and providing the chuck gripping the tip of the extrusion body. CONSTITUTION:The hydraulic chamber of a hydraulic cylinder 5 is communicated mutually by a piping 8 and the operating oil inside the hydraulic chamber of each hydraulic cylinder 5 can be operated mutually. At the end of the piston rod 10 of the hydraulic cylinder 4 the chuck 11 gripping the tip of an extrusion body 3 is provided to interpose the tip of the extrusion body 3 by the inner bottom part of a chuck 12 and a roller 13. The extrusion body 3 of quicker extrusion speed, for instance, among the plural extrusion bodies 3 formed by extrusion simultaneously pushes in the piston rod 10 of the cylinder 5. Also the extrusion body 3 of slower extrusion speed pulls out the piston rod 10 of the cylinder 5 and the difference in the plural extrusion body tip positions is attracted by the cylinder 5. The generation of the bed and camber of the extrusion body can be thus prevented.

86. 发明专利

JPS63213604A PRODUCTION OF ALUMINUM ALLOY PARTS 失效
公开(公告)号：JPS63213604A
公开(公告)日：1988-09-06
申请号：JP4629287
申请日：1987-02-27
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： TAKEDA YOSHINOBU , HAYASHI TETSUYA
IPC分类号： B22F7/02 , B22C1/00 , C22C21/02
摘要： PURPOSE:To obtain an Al-Si alloy member consisting of a surface layer part having superior wear resistance and an inner layer part having superior strength and toughness in a firmly integrated state by subjecting a formed body of composite powder having different grain sizes of Si between the inner and outer parts to violent plastic working. CONSTITUTION:A formed body 3 is composed of a core part 2 of Al-Si alloy powder contg. Si grains of

87. 发明专利

JPH04136105A PRODUCTION OF ALUMINUM POWDER FORGED PRODUCT 失效
公开(公告)号：JPH04136105A
公开(公告)日：1992-05-11
申请号：JP25953690
申请日：1990-09-27
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： KAJI TOSHIHIKO , TAKEDA YOSHINOBU , KOTANI YUSUKE , HAYASHI TETSUYA
IPC分类号： B21C23/01 , B22F3/02 , B22F3/17 , B30B11/22
摘要： PURPOSE:To uniformize density distribution and to prevent the development of crack, etc., by applying back pressure to tip part of extrusion part in a reverse direction at the time of manufacturing a forged product by packing heated preformed body in a die for forming and sintering while pressurizing. CONSTITUTION:The preformed body 1 is packed in inner part of lower die 6 in the die for forming. By descending an upper die 2 to abut on surface of the preformed body 1, the pressurizing movement is started. The preformed body 1 is pressurized with pressures of a first pressurizing body 3 and a second pressurizing body 4. By pressurizing the first pressurizing body 3, the extrusion part 1a in the preformed body 1 is extruded toward the reverse direction to the first pressurizing body 3 while receiving the back pressure F2 from the second pressurizing body 4. The upper die 2 is descended under pressurizing and the second pressurizing body 4 stops the descent of the upper die 2 under conduction, which the extrusion part 1a in the preformed part reaches to the prescribed position.

88. 发明专利

JPH0396680A SCROLL TYPE COMPRESSOR VANE MEMBER AND ITS MANUFACTURE 失效
公开(公告)号：JPH0396680A
公开(公告)日：1991-04-22
申请号：JP23396089
申请日：1989-09-09
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： KOTANI YUSUKE , TAKEDA YOSHINOBU , ITO YOSHIAKI , HAYASHI TETSUYA , KAJI TOSHIHIKO
IPC分类号： F01C1/02 , F04C18/02
摘要： PURPOSE:To realize a light weight, the improvement of durability, and the like, by forming a vane with an aluminum alloy, and forming a boss to support the vane with a material having a specific thermal expansion coefficient and a specific antifriction property to the aluminum alloy of the vane. CONSTITUTION:In the vane member of a scroll type compressor, a vane is formed by providing spiral scrolls 1 at the upper surface of a pedestal 2. And at the lower surface of the pedestal 2, a boss 3 to support the vane member 1 is provided. In such a composition, the vane member 1 is formed of an aluminum alloy. And the boss 3 is formed of a material in which the thermal expansion coefficient difference is less than 5X10 /K from that of the aluminum alloy, and the anti-friction property is better than that of the aluminum alloy. And the vane member 1 and the boss are welded integrally. As a result, the light weight, the improvement of the reliability and the welding strength, and the like of the vane member is realized.

89. 发明专利

JPH0381041A METHOD FOR FORGING ALUMINUM ALLOY 失效
公开(公告)号：JPH0381041A
公开(公告)日：1991-04-05
申请号：JP21823289
申请日：1989-08-24
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： HAYASHI TETSUYA , TAKEDA YOSHINOBU , KOTANI YUSUKE , KAJI TOSHIHIKO , ITO YOSHIAKI
IPC分类号： B21J1/06 , B22F3/02 , B22F3/17 , C22C1/04
摘要： PURPOSE:To enable forging of an Al alloy without using high purity inert gas, etc., by executing a first step forging at a lower temp. than the rapid oxidized temp. of the Al alloy and executing the forging on and after a second step at the above rapid oxidized temp. or higher. CONSTITUTION:By executing the forging at a lower temp. then the rapid oxi dized temp., the Al alloy does not suffer so much oxidation even under the atmosphere with in some degree higher oxygen partial pressure and ateam partial pressure, thereby attaining high density in forging. The successive forging on and after the second step is executed on this at the rapid oxidized temp. or higher. As the first step forging is already executed and the density of Al alloy is already increased, the Al alloy does not suffer vigorous oxidation even if forging on and after the second step is carried out at rapid oxidized temp. or higher. In such a way, the forging is erecuted under inexpensive gase ous atmosphere such as the air. By this method, mass-productive Al alloy formed products can be formed thereby the forming over the wide range of car parts, home electric parts, OA devices etc., can be executed by forging.

90. 发明专利

JPH01298122A MANUFACTURE OF ALUMINUM POWDER METALLURGY ALLOY 失效
公开(公告)号：JPH01298122A
公开(公告)日：1989-12-01
申请号：JP12995588
申请日：1988-05-27
申请人： SUMITOMO ELECTRIC INDUSTRIES
发明人： HAYASHI TETSUYA , TAKEDA YOSHINOBU
IPC分类号： B22F1/00 , C22C1/04
摘要： PURPOSE:To simply restrain influence of oxide existing on Al alloy powder surface and to improve toughness and ductility of the powder metallurgy alloy by adjusting particle size of the Al alloy powder, which is solidified with hot working or hot plastic working. CONSTITUTION:The hot working or the hot plastic working is executed at 300-600 deg.C to the Al alloy powder having 100-1000mu average particle size and 1000mu particle size in the powder and solidified to obtain the Al powder metallurgy alloy. The Al alloy powder manufactured with this method has far coarse particle compared with the powder conventionally manufactured. Therefore, the specific surface area is small, and the original powder particle boundary in the solidified alloy and density of the oxide film existing there is lowered. In this result, the obtd. Al alloy has excellent ductility, and by restraining progressing of breakage on the original powder particle boundary, the toughness is improved.

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