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公开(公告)号：JPH08247629A
公开(公告)日：1996-09-27
申请号：JP5434195
申请日：1995-03-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： OHASHI NOBUO , MURONO YOSHIRO , NAKADA JUNICHI
IPC: F25D23/00 , C09J11/00 , C09J11/06 , C09J11/08 , C09J201/00
Abstract: PURPOSE: To easily remove a part from an inner box or an outer box for material recycling by a method wherein foaming heat-insulating material is injected between the inner box and the outer box to form a solid heat-insulated box and an adhesive blended with micro-balloons containing foaming agent is used to attach the part on the surface of the inner box or the outer box. CONSTITUTION: A foaming heat-insulating material 3 is injected between an inner box 1 and an outer box 2 to form a solid heat-insulated box. An adhesive 9 of acrylic resin, etc., is blended with micro-balloons 10 that contain fluorocarbon or hydrocarbon blowing agent and are made of a material such as vinylidene chloride resin excellent in gas barrier property and is used to attach a part 5 on the surface of the inner box 1 or the outer box 2. Thereby, when the heat-insulated box undergoes heat treatment for disposal the foaming agent 11 contained in the micro-balloons 10 reacts and the adhesivity of the adhesive 9 declines, so that the part 5 can be easily removed from the inner box 1 or the outer box 2, allowing material recycling.
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公开(公告)号：JPH0748466A
公开(公告)日：1995-02-21
申请号：JP19343593
申请日：1993-08-04
Applicant: MATSUSHITA REFRIGERATION
Inventor： MORIKIYO KAZUHIRO , MURONO YOSHIRO , SHIMABARA KAZUO , NAKADA JUNICHI , TSUJITA HIROSHI , KOTORII TOSHIO , OHASHI NOBUO , MATSUMOTO TAKUYA , OBATA SHINGO , HIRAMATSU SHIZU
IPC: C08G18/10 , C08G18/48 , C08G18/50 , C08G101/00 , C08J9/02 , C08J9/14 , C08L25/12 , C08L33/00 , C08L33/04 , C08L33/08 , C08L55/00 , C08L55/02 , F25D23/02
Abstract: PURPOSE:To provide the heat insulating door, having a specific urethane heat insulating material integrally foamed in a heat insulating space, firmly bonding to a cap door without causing the discoloration by heat in injection molding and causing crazes, etc., and useful as a refrigerator, etc. CONSTITUTION:This heat insulating door is composed of (A) a cap door made of a resin and (C) a urethane heat insulating material integrally formed in a heat insulating space formed with (B) a door made of a metal and the component (C) is composed of a polyol, a foam stabilizer, a catalyst, HCFC123 or 141b and a mixture thereof as a foaming agent and an organic isocyanate containing polymeric MDI or its prepolymer and TDI-80, crude TDI and a prepolymerized substance thereof as the remainder as an isocyanate component. The component (A) is a composition prepared by mixing a graft copolymer of (i) 30-50wt.% vinyl cyanide compound and (ii) 50-70wt.% aromatic vinyl compound with a copolymer of the components (i) and (ii) and a polyn-butyl acrylate coated with the copolymer of the components (i) and (ii) in the presence of a conjugated diene-based rubber.
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公开(公告)号：JPH06323719A
公开(公告)日：1994-11-25
申请号：JP8173593
申请日：1993-04-08
Applicant: MATSUSHITA REFRIGERATION
Inventor： OHASHI NOBUO , MURONO YOSHIRO , NAKADA JUNICHI , TSUJITA HIROSHI , SHIMABARA KAZUO , KOTORII TOSHIO , MATSUMOTO TAKUYA , OBATA SHINGO , MORIKIYO KAZUHIRO , HIRAMATSU SHIZU
IPC: B32B5/20 , C08G18/10 , C08G18/48 , C08G101/00 , C08L33/04 , C08L33/06 , C09D125/00 , C09D125/12 , F25D23/02
Abstract: PURPOSE:To prevent permeation of foaming agent into resin by absorbing HCFC123 and HCFC141b of the agent by copolymer of n-butyl acrylate and n-propyl acrylate. CONSTITUTION:A urethane heat insulator is made of HCFC123 or HCFC141b and its mixture, and organic polymer isocyanate containing 40-90wt.% of polymeric MDI or its prepolymer compound. A front of a resinous door is formed of mixture of graft copolymer obtained by polymerizing 35-52wt.% of vinyl cyanide compound and 48-65wt.% of aromatic vinyl compound in the presence of conjugated diene synthetic rubber, copolymer of 35-52wt.% of vinyl cyanide compound and 48-65wt.% of aromatic vinyl compound, and 30-70wt.% of resin composition mixed with copolymer of n-butyl acrylate and n-propyl acrylate resin coated with copolymer of 35-52wt.% of vinyl cyanide compound and 48-65wt.% of aromatic vinyl compound.
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公开(公告)号：JPH06221749A
公开(公告)日：1994-08-12
申请号：JP811193
申请日：1993-01-21
Applicant: MATSUSHITA REFRIGERATION
Inventor： TSUJITA HIROSHI , SHIMABARA KAZUO , MURONO YOSHIRO , NAKADA JUNICHI , OHASHI NOBUO
Abstract: PURPOSE:To prevent generation of cracking by forming an resin inner box of a resin composite which is obtained by mixing a graft copolymer of a conjugate diene, an aromatic vinyl and a vinyl cyanide, a copolymer of an aromatic vinyl and a vinyl cyanide, and a poly n-butyl acrylate coated with the above copolymers. CONSTITUTION:A resin composite which forms an inner box contains a graft copolymer which is obtained by polymerizing a vinyl cyanide compound of 35 to 52wt.%, a vinyl aromatic compound of 48 to 65wt.% and a monomer mixture under existence of a conjugate diene synthetic rubber, and a copolymer of a vinyl cyanide compound of the above percent by weight and a vinyl aromatic compound of the above percent by weight. The resin composite is formed by mixing the above copolymers and a poly n-butyl acrylate coated with a copolymer of the above vinyl cyanide compound and vinyl aromatic compound. Thus it is possible to provide a heat insulating box free of crazing and cracking in spite of a strong chemical attacking quality of urethane heat insulating materials HCFC123 and HCFC141b.
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公开(公告)号：JPH05118741A
公开(公告)日：1993-05-14
申请号：JP28105591
申请日：1991-10-28
Applicant: MATSUSHITA REFRIGERATION
Inventor： MORIKIYO KAZUHIRO , MURONO YOSHIRO , SHIMABARA KAZUO , OHASHI NOBUO , MATSUMOTO TAKUYA , KOTORII TOSHIO , TSUJITA HIROSHI , OBATA SHINGO , NAKADA JUNICHI
Abstract: PURPOSE:To cover an absorbing heat quantity reduction method which is designed to save energy for a refrigerator or a show case in terms of magnet gaskets of a refrigerator or a show case and provide a magnet gasket capable of enhancing insulation performance by compounding microbaloons into a magnet gasket material. CONSTITUTION:A magnet gasket is installed to the outer periphery inside a refrigerator door, and is provided with an air chamber in the upper part of base 6 and a magnet chamber 7 in the upper part of the air chamber. A magnet gasket bulkhead s extrusion-formed in irregular shape by using vinyl chloride resin to which the microbaloons 13 are compounded as a material.
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Patent Agency Ranking
公开(公告)号：JPH04353382A
公开(公告)日：1992-12-08
申请号：JP12746391
申请日：1991-05-30
Applicant: MATSUSHITA REFRIGERATION
Inventor： OHASHI NOBUO
Abstract: PURPOSE:To bond a decorative sheet of plastics on an outer panel utilizing the reaction heat and the reaction pressure of expandable heat insulating material, in the bonding of the decorative sheet of plastics on the heat insulating door of a refrigerator and the like to improve the appearance design. CONSTITUTION:Hot-melt bonding agent 10 is arranged between an outer plate 1 and a decorative sheet 8 of plastics and a heat insulating door is constituted of the outer plate 1, an inner plate 2, outer frames 3 and expandable heat insulating material 4, poured into a space consisting of the inner plate 2, an outer plate 1 and the outer frames 3.
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公开(公告)号：JP2002267278A
公开(公告)日：2002-09-18
申请号：JP2001068975
申请日：2001-03-12
Applicant: MATSUSHITA REFRIGERATION
Inventor： OHASHI NOBUO
Abstract: PROBLEM TO BE SOLVED: To obtain a cooler of a refrigerator from which a harmful substance, i.e., lead, is eliminated. SOLUTION: A pressure-reducing device 8, provided with a planar part on the outer surface and a refrigerant return pipe 9 provided with a planar part on the outer surface are arranged juxtaposed, jointed and heat is exchanged between them so as to obtain the cooler of a refrigerator which does not contain lead.
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公开(公告)号：JPH10318654A
公开(公告)日：1998-12-04
申请号：JP12664097
申请日：1997-05-16
Applicant: MATSUSHITA REFRIGERATION
Inventor： OHASHI NOBUO
Abstract: PROBLEM TO BE SOLVED: To prevent the generation of noise from an evaporator by arranging a spiral flow path part to the outlet piping of the evaporator. SOLUTION: The cooler of a refrigerator comprises a compressor 1, a condenser, a decompressor, an evaporator 4 and a piping 6 connecting between them and in this case, a spiral flow path part 7 is arranged to the outlet piping of the evaporator 4. With this, when the outer air temperature is low in winter and taking in and out of foods are not frequent, the surplus liquid coolant not evaporated by the evaporator 4 flows into the outlet piping arranged with the spiral flow path 7 and is agitated by flowing spirally inside the outlet piping. The evaporation is accelerated by improved heat conductivity at the spiral flowing path part 7 and the noise generated by the bumping of the liquid coolant is prevented. An auxiliary evaporator for evaporating the remaining liquid coolant without being evaporated is connected to the evaporator 4 and the whole body of the auxiliary evaporator can 6e wrapped with thermal insulator.
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公开(公告)号：JPH10205971A
公开(公告)日：1998-08-04
申请号：JP936197
申请日：1997-01-22
Applicant: MATSUSHITA REFRIGERATION
Inventor： OHASHI NOBUO
IPC: F25D19/00
Abstract: PROBLEM TO BE SOLVED: To provide a fixing device to prevent a dryer from easily falling by using a coiled wire having the shape memory having the transformation temperature close to the surface temperature of the dryer when a refrigerator is actually operated. SOLUTION: A dryer fixing device 12 formed of a coiled wire having the shape memory stores the shape of a dryer 6 to be smaller than its outer dimensions, and forms the dryer 6 to be larger than its outer dimensions, the dryer 6 is inserted, and a refrigerator is operated. The refrigerant at high temperature is passed through the dryer 6, and the surface temperature of the dryer 6 rises. By using the coiled wire having the transformation temperature close to the surface temperature of the dryer 6 when the refrigerator is actually operated and having the shape memory, the coiled wire returns to the original shape during the actual use, and the holding force of the dryer 6 is improved. Titanium alloy, copper alloy, etc., is applied as the material of the coiled wire having the shape memory.
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公开(公告)号：JPH06300428A
公开(公告)日：1994-10-28
申请号：JP8714293
申请日：1993-04-14
Applicant: MATSUSHITA REFRIGERATION
Inventor： MATSUMOTO TAKUYA , MURONO YOSHIRO , NAKADA JUNICHI , TSUJITA HIROSHI , SHIMABARA KAZUO , KOTORII TOSHIO , OHASHI NOBUO , OBATA SHINGO , MORIKIYO KAZUHIRO , HIRAMATSU SHIZU
Abstract: PURPOSE:To obtain a door surface of good quality by forming an urethane heat insulating material from a particular composition and forming the door surface from a graft copolymer of a particular composition, a copolymer of a vinyl compound cyanide of a particular composition and an aromatic vinyl compound, and a mixture of a resin compound of a particular composition and polymethyl metacrylate. CONSTITUTION:A urethane heat insulating material is formed by polyol, a foam stabilizer, a catalyst, a foaming agent such as HCFC 132 and the like, and an isocyanate component such as an organic isocyanate of polymeric MDI. A door surface of a resin is formed by a graft copolymer which is obtained by polymerizing a mixture of a vinyl compound cyanide of 35-52 percent by weight and an aromatic vinyl compound of 48-65 percent by weight in the presence of conjugate diene based synthetic rubber, a copolymer of a vinyl compound cyanide of 35-52 percent by weight and an aromatic vinyl compound of 48-65 percent by weight, and a resin composite of 30-70 percent by weight coated with the copolymer and mixed with poly n-butylacrylate resin and polymethyl methacrylate of 70-30 percent by weight.
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