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公开(公告)号：ID17578A
公开(公告)日：1998-01-15
申请号：ID972733
申请日：1997-08-07
Applicant: MATSUSHITA REFRIGERATION
Inventor： KUROSHIMA ATSUSHI , KAWAMURA TADAHIRO , MORIMOTO KATSUHIKO , ADACHI TADASHI , MORIKIYO KAZUHIRO
Abstract: A door handle structure for a refrigerator of a type including at least one access door (2) hingedly supported at one side portion so as to move between opened and closed positions about a hinge axis (H) to thereby selectively open and close an opening leading to a refrigerator compartment. The access door (2) includes a front panel (4), a rear panel confronting the refrigerator compartment and upper and lower frame members (3a, 3b) and also includes a heat insulating material (5) filled in a space delimited by the front and rear panels and the upper and lower frame members (3a, 3b). The door handle structure includes a generally elongated handle (6) rigidly secured at one end to an opposite side portion of the access door (2) remote from the hinge axis (H). This handle (6) has a grip area (10) extending widthwise of the access door (2).
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公开(公告)号：JP2000158523A
公开(公告)日：2000-06-13
申请号：JP33620998
申请日：1998-11-26
Applicant: NIPPON STEEL CHEMICAL CO , MATSUSHITA REFRIGERATION
Inventor： OTA AKIRA , FURUKI SATORU , TAKASO MASAO , ONO KOJI , NISHIDA KIYOSHI , MORIKIYO KAZUHIRO , TSUJITA HIROSHI
Abstract: PROBLEM TO BE SOLVED: To fixedly mount an insert clamping component in a narrow space with a sufficiently fixing strength by in-mold inserting an upper end of a mountain-like rib into a top part of the rib of an outer surface at a plate-like leg extended from the clamping component. SOLUTION: The insert blow molding 1 comprises a front side outer surface 2, a rear side outer surface 3, and a continued mountain-like rib 4 made of a sectional truncated shape of a stud shape as a whole on the surface 3. An insert clamping component 5 is sandwiched at an upper end of the rib 4 between two plate-like legs 10 forked and extended from the component 5 at four positions necessary to assemble with the other member of the top at predetermined positions of the rib 4, and in-mold inserted to be rigidly fixedly mounted. Thus, the component can be rigidly fixedly mounted in the narrow space of the upper end top part of the rib 4.
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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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公开(公告)号：JPH05322438A
公开(公告)日：1993-12-07
申请号：JP12316692
申请日：1992-05-15
Applicant: MATSUSHITA REFRIGERATION
Inventor： TSUJITA HIROSHI , MURONO YOSHIRO , NAKADA JUNICHI , SHIMABARA KAZUO , OBATA SHINGO , MORIKIYO KAZUHIRO , MATSUMOTO TAKUYA , OHASHI NOBUO , KOTORII TOSHIO
Abstract: PURPOSE:To acquire a strong chemical attaching property, and prevent cracks, etc., from happening by a method wherein a urethane insulating material for which a specified flon is used as a foaming agent is integrally expanded in a box-shaped space formed by a door front made of a resin, and a specified coating is applied on the surface of the door front with which the insulating material comes into contact. CONSTITUTION:The title heat insulating door 2 is constituted by integrally expanding a urethane insulating material 4 for which flon 123 or flon 141b is used as a foaming agent in a box-shaped space being formed by a door front 3 made of a resin. Also, an acryl or urethane coating 9 is applied on the surface of the door front 3, which comes into contact with the urethane insulating material 4. For the acryl or urethane coating 9, a double liquid reacting type is used, and this type is hard to swell by the flon 123 or flon 141b, which is a foaming agent, and is provided so as to work as a barrier. By this method, the door front 3 made of a resin does not receive a strong chemical attack, and the molecular chain of the resin is prevented from being broken, and cracks are prevented from being made.
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公开(公告)号：JPH05118744A
公开(公告)日：1993-05-14
申请号：JP28104991
申请日：1991-10-28
Applicant: MATSUSHITA REFRIGERATION
Inventor： MATSUMOTO TAKUYA , SHIMABARA KAZUO , MURONO YOSHIRO , TSUJITA HIROSHI , KOTORII TOSHIO , NAKADA JUNICHI , OHASHI NOBUO , OBATA SHINGO , MORIKIYO KAZUHIRO
Abstract: PURPOSE:To solve the quality deterioration problems resultant from an increase in a material cost of an outer shell and an outer shell manufacturing process and obtain an insulation door to which a foaming agent, which is outside the object of Freon regulation, is applied in the case when the rear side of the outer shell of the insulation door of a refrigerator is coated with corrosion resistant paint. CONSTITUTION:This insulation door comprises an outer shell 1 of the insulation door, an inner shell 3, a frame member 2, a foaming agent 7 which is for foaming insulation material and is filled between the inner shell and frame member 2 and a coat 5 applied on the surface of the outer shell.
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Patent Agency Ranking6.发明专利
公开(公告)号：JPH1170572A
公开(公告)日：1999-03-16
申请号：JP24967397
申请日：1997-08-29
Applicant: MATSUSHITA REFRIGERATION
Inventor： NAKAJIMA MASATOSHI , MORIKIYO KAZUHIRO , ONO KOJI , KUMAGAI NORIYASU
Abstract: PROBLEM TO BE SOLVED: To improve the appearance of a molding by concealing a cutting line to be invisible by cutting a part of a parison inside the corner part ridgeline of the molding by a cutting means installed in a specified mold in blow molding. SOLUTION: A parison extruded from a die is composed of a first resin layer and a second resin layer in the circumferential direction, the borderline of each resin is formed in the vertical direction of the parison. The parison is supplied into a mold device in which molds 16, 17 are opened and blow- molded with mold clamping, and by the collaboration between a cutting means 21 and the mold 17 which are contacted with each other, the borderline part 13 between areas of different kinds of resins is cut. Since part of the parison can be cut inside the ridgeline 12 of the corner part of a molding 3, a cutting line 13 can be positioned on a specified wall surface side excluding the ridgeline 12 of the molding. For example, when the molding is used as a door main body 3 for a refrigerator, the cutting line 13 can be formed on the back side which can hardly be seen to improve the appearance of the door.
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公开(公告)号：JPH063040A
公开(公告)日：1994-01-11
申请号：JP16067592
申请日：1992-06-19
Applicant: MATSUSHITA REFRIGERATION
Inventor： NAKADA JUNICHI , MURONO YOSHIRO , TSUJITA HIROSHI , SHIMABARA KAZUO , KOTORII TOSHIO , OHASHI NOBUO , MATSUMOTO TAKUYA , OBATA SHINGO , MORIKIYO KAZUHIRO
IPC: F25D23/02
Abstract: PURPOSE:To enable the sealing of a gap between a heat insulated door and a heat insulated box completely by arranging a heat insulated box to be provided with a recess which abuts a soft packing on the outer circumference of a heat insulated door equipped with a switch section for turning ON or OFF an electromagnet and with a flange having an attraction section which the electromagnet abuts. CONSTITUTION:A soft packing 13 as elastic body comprising a thermoplastic resin foam or the like is provided on the outer circumference of a heat insulated door 3 while an electromagnet 14 which is magnetized or demagnetized by turning ON or OFF a switch section 15 is provided circumferentially. On the other hand, a flange 17 having a recess 18 abutting the soft packing 13 and an attraction part 19 abutting the electromagnet 14 are formed on a heat insulated box 2 having a front opening being opened or closed with the heat insulated door 3. Then, a user of a refrigerator closes the heat insulated door 3 and when the switch section 15 is turned 'ON', the electromagnet 14 has a magnetic force and gets closely on the attraction part 19 of the flange 17 while the soft packing part 13 gets closely on the recess 18. Thus, the heat insulated door 3 is closed tight on the heat insulated box 2.
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公开(公告)号：JPH05118743A
公开(公告)日：1993-05-14
申请号：JP28104891
申请日：1991-10-28
Applicant: MATSUSHITA REFRIGERATION
Inventor： OBATA SHINGO , MURONO YOSHIRO , NAKADA JUNICHI , TSUJITA HIROSHI , MORIKIYO KAZUHIRO , OHASHI NOBUO , KOTORII TOSHIO , MATSUMOTO TAKUYA , SHIMABARA KAZUO
Abstract: PURPOSE:To prevent a strong odor of mercaptan from remaining in a chamber by adopting an inner box made of high nitrile ABS resin, forming a clear film inside the inner box and filling an insulation material, which uses a specific Freon as a foaming agent, into a spot between the inner box and the outer box. CONSTITUTION:The inner surface of an inner box is coated with an about 200 to 300mu thick constantly dried-state acrylic or urethane clear film, thereby forming a high nitrile ABS resin-made inner box 5. An insulation material 4 is filled into a box-shaped space between the inner box 5 and an outer box 3 where HCFC 123 or HCFC 141b is used as a foaming agent, thereby completing an insulation box member of a refrigerator 1. Since the clear coating 6 is applied to the inner surface of the inner box 5 in this manner, it is difficult for a polymerization and composition agent C12 mercaptan to penetrate. Its action as a barrier prevents a strong odor of mercaptan from remaining in the chamber. It is also arranged to eliminate a strong mercaptan odor by mixing zeolite particles or aromatic agent as an odor adsorbing material with the ABS resin.
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公开(公告)号：JPH0599561A
公开(公告)日：1993-04-20
申请号：JP26179391
申请日：1991-10-09
Applicant: MATSUSHITA REFRIGERATION
Inventor： NAKADA JUNICHI , MURONO YOSHIRO , SHIMABARA KAZUO , KOTORII TOSHIO , TSUJITA HIROSHI , OHASHI NOBUO , MATSUMOTO TAKUYA , OBATA SHINGO , MORIKIYO KAZUHIRO
Abstract: PURPOSE:To ensure design properties excellent in a round by arranging a urethane heat insulating material yielded by foaming Freon 123 in a box-shaped space formed with a door surface iron plate and a cap door comprising alloy resin including crystalline resin inserted into the peripheral edge of the door surface iron plate. CONSTITUTION:A heat insulating door 2 for use in a refrigerator, etc., is formed by inserting a cap door 11 with a U-shaped cross section into the peripheral edge of a door surface iron plate 3, and disposing a methane heat insulating material 5 in a box-shaped space formed by the door surface iron plate 3 and the cap door 11. A reinforcing rib 12 is formed on the cap door 11. Thereupon, the cap door 11 is formed with ABS allay resin including 40-50 pts.wt of crystalline resin of nylon and polypropylene. The urethane heat insulating material 5 is formed by integrally foaming Freon 123 as a foaming agent. Hereby, excellent design properties of a round form is kept while the cap door 11 is prevented from being cracked against the chemical attack property of the Freon 123.
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公开(公告)号：JPH0571864A
公开(公告)日：1993-03-23
申请号：JP23601091
申请日：1991-09-17
Applicant: MATSUSHITA REFRIGERATION
Inventor： KOTORII TOSHIO , MURONO YOSHIRO , NAKADA JUNICHI , TSUJITA HIROSHI , SHIMABARA KAZUO , OHASHI NOBUO , MATSUMOTO TAKUYA , OBATA SHINGO , MORIKIYO KAZUHIRO
Abstract: PURPOSE:To prevent dropping of water droplets generated at the time of cooling by previously integrally molding a foamable vinylidene chloride heat insulator so as to match the shape of a space made of an inner plate, an outer plate and a frame material, and then assembling the inner plate, the outer plate and the material. CONSTITUTION:A foama vinylidene chloride heat insulator 26 is previously molded to match the shape of a space 12 formed of an inner plate 4, an outer plate 2 and a frame material 3. The insulator 26 is integrally molded and assembled. Thus, the insulator 26 is integrally molded to eliminate gaps to prevent dropping of water droplets from the gaps of the material 3 and the plate 4 upon generation of the droplets due to cooling of humidity in the atmosphere to be invaded from the gap between the plate 2 and the material 3 to arrive at the plate 4 and condensed. That is, gaps of the insulators 26 to be formed upon aligning of the insulators 26 in the space are eliminated.
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