WO2005040664A1 - 真空断熱材と、それを用いた冷凍機器及び冷温機器 - Google Patents
真空断熱材と、それを用いた冷凍機器及び冷温機器 Download PDFInfo
- Publication number
- WO2005040664A1 WO2005040664A1 PCT/JP2004/011413 JP2004011413W WO2005040664A1 WO 2005040664 A1 WO2005040664 A1 WO 2005040664A1 JP 2004011413 W JP2004011413 W JP 2004011413W WO 2005040664 A1 WO2005040664 A1 WO 2005040664A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- inorganic compound
- heat insulating
- core material
- vacuum heat
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/062—Walls defining a cabinet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/12—Insulation with respect to heat using an insulating packing material
- F25D2201/124—Insulation with respect to heat using an insulating packing material of fibrous type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
- F25D2201/14—Insulation with respect to heat using subatmospheric pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/04—Refrigerators with a horizontal mullion
Definitions
- the present invention relates to a vacuum heat insulating material that can be used as a heat insulating material for refrigerators, heat insulating and cooling containers, vending machines, electric water heaters, vehicles, houses, and the like.
- heat insulating materials such as refrigerators, freezers, and vending machines require heat insulating materials with excellent heat insulating performance from the viewpoint of efficient use of heat.
- An example of a conventional vacuum insulation material is a core material in which inorganic fibers are bound at each intersection by components eluted from the fibers.
- this is disclosed in Japanese Patent Application Laid-Open No. 7-167736.
- the core material When a core material is used, in which inorganic fibers are bound by components eluted from those fibers, the core material has low strength and retains its shape when the core material is inserted into the jacket. Things that cannot be done may happen.
- the surface of the vacuum heat insulating material may be deformed by the atmospheric pressure.
- a binder may be used to secure the strength, but there are some which are not preferable from the environmental point of view.
- the present invention provides a vacuum heat insulating material that can maintain strength while considering the environment in view of the above problems. Disclosure of the invention
- the present invention is a vacuum heat insulating material comprising a core material and a jacket material covering the core material and depressurizing the inside, wherein the core material is a molded body containing inorganic fibers, and the molded body is at least water-soluble.
- a vacuum heat insulating material formed using a compound containing an inorganic compound, wherein the water-soluble inorganic compound contains a metal element and is solid at normal temperature.
- the present invention also includes an outer box and an inner box, wherein the vacuum heat insulating material is disposed in a space formed by the outer box and the inner box, and a foam heat insulating material is provided in the space other than the vacuum heat insulating material.
- the present invention provides a refrigerating device and a refrigerating device that are filled with a. Brief description of the drawings.
- FIG. 1 is a sectional view of a vacuum heat insulating material according to Embodiment 1 of the present invention. is there.
- FIG. 2 is a cross-sectional view of a refrigerator according to Embodiment 2 of the present invention.
- the vacuum heat insulating material of the present invention comprises a core material, and a jacket material covering the core material and depressurizing the inside, wherein the core material is a molded body containing inorganic fibers, A vacuum heat insulating material, wherein the molded body is molded using a compound containing at least a water-soluble inorganic compound, and wherein the water-soluble inorganic compound contains a metal element and is solid at normal temperature.
- inorganic fibers used for the core material known materials such as glass wool, glass fiber, alumina fiber, silica-alumina fiber, silica fiber, and mouth wool can be used.
- the fiber diameter is not particularly specified, but is preferably 0.1 m or more and 10 ⁇ m or less in view of heat insulation performance, handleability, availability, and the like.
- the solid of the water-soluble inorganic compound precipitates on the fiber surface and binds the fibers.
- the core material strength is greatly improved.
- the flatness of the surface of the vacuum insulation material is improved.
- the sparingly soluble compound physically inhibits binding between fibers due to components eluted from the fibers, and the core material strength is reduced.
- the water-soluble inorganic compound preferably contains a metal element, is not polymerizable, and has a strong ionic bond.
- the solid thermal conductivity of the inorganic compound increases, and the solid thermal conductivity of the core material may increase.
- inorganic compounds generates less gas, so that the thermal conductivity of the vacuum insulating material is not adversely affected over time.
- the water-soluble inorganic compound is not particularly specified as long as it satisfies the above conditions, but is not limited to sodium chloride, sodium bromide, sodium iodide, potassium chloride, magnesium chloride, calcium chloride, sodium sulfate, sodium carbonate, Sodium nitrate, sulfated lime, alum, magnesium sulfate, aluminum sulfate, etc. are preferred. Among these, those having low hygroscopicity are more preferable. If the hygroscopicity is large, it is considered that the inorganic compound precipitated on the fiber surface after molding the core material takes in moisture, weakens the bond and decreases the core material strength. In addition, even after the core material is inserted into the jacket material and evacuated, the core material may release moisture in the jacket material, and the heat insulation performance of the vacuum insulation material may be degraded.
- a core material is prepared by mixing one or more of the above water-soluble inorganic compounds, or mixing or diluting other compounds. At this time, the inorganic compound is desirably attached to the core material in an amount of 0.5 wt% or more and 20 wt% or less.
- the amount of the inorganic compound When the amount of the inorganic compound is small, the effect of improving the strength of the core material is reduced. Conversely, an increase in the amount of the inorganic compound may cause an increase in the thermal conductivity of the solid, which may adversely affect the heat insulating performance of the vacuum heat insulating material.
- the method for attaching the water-soluble inorganic compound to the core material is not particularly specified, but the inorganic compound aqueous solution is applied by spraying or spraying.
- the amount of the solvent is not particularly specified as long as the solute inorganic compound is dissolved.
- the core material It is desirable to mold the core material to have a density of 100 k 8 111 3 to 400 kg Z ms. Density and is less than 1 0 0 kg Z m 3, difficulty to maintain the shape of the molded body Kunar. On the other hand, if it exceeds 400 kg Z m 3 , the thermal conductivity of the solid increases, and the heat insulating performance of the vacuum heat insulating material deteriorates.
- the density may be different inside the core material.
- a known material can be used as the jacket material.
- a gas adsorbent a moisture adsorbent, or other gettering substances.
- a jacket material may be prepared, and then a core material may be inserted into the jacket material, and the inside may be reduced in pressure and sealed.
- an outer cover made of a core material and a roll-shaped or sheet-shaped laminated film is installed in a decompression tank, and the roll-shaped or sheet-shaped outer material is placed along the core material, and then the outer cover material is removed.
- a vacuum heat insulating material may be produced by heat fusion.
- a vacuum heat insulating material may be manufactured by directly reducing the pressure inside the jacket material in which the core material is inserted and sealing the opening of the jacket material.
- a board-shaped core material is introduced into a container formed of a metal plate, and a vacuum pump is connected to the metal container with a pipe to reduce the pressure in the container. It is good also as a vacuum heat insulating material by sealing off the back tube.
- the core material may be subjected to moisture drying before the sheath material is introduced, and the adsorbent may be inserted together when the sheath material is inserted.
- the vacuum heat insulating material of the present invention is characterized in that the solubility of the water-soluble inorganic compound used is 1 g or more per 100 g of water.
- the solubility in the present invention is a value at a temperature of 25 ° C.
- the solubility is less than 1 g with respect to 100 g of water, it is necessary to increase the water content in order to use the inorganic compound in a dissolved state. As a result, the water content is too large and the coating efficiency is reduced.
- the inorganic compound is applied to the fiber at a concentration that does not completely dissolve, the solid remaining as the undissolved inorganic compound (residue) inhibits the binding of the fibers due to the components eluted from the fiber, and the core material strength May be weakened.
- the saturation concentration it is desirable to set the saturation concentration as the upper limit.
- the vacuum heat insulating material of the present invention is characterized in that the pH is 2 or more and 10 or less when 1 g of the water-soluble inorganic compound to be used is dissolved in 100 g of water.
- the temperature in this case ranges from 15 to 30 and the following. If the pH is less than 2, it means that there is a problem with the handling properties of a strongly acidic aqueous solution or that the device may be damaged during the production of the core material, making molding practically difficult.
- the inorganic fibers are eroded, and the core material becomes ragged or the eroded fibers are recombined.
- the fibers may be bonded to each other by surface contact, and the solid thermal conductivity may be significantly deteriorated.
- the pH is preferably 2 or more and 10 or less, and more preferably 3 or more and 9 or less.
- the vacuum heat insulating material of the present invention is characterized in that the metal element contained in the water-soluble inorganic compound used contains at least an alkali metal. By containing the alkali metal, elution from the inorganic fibers can be promoted, and the bonding between the fibers can be further strengthened to improve the core material strength.
- water-soluble inorganic compound containing an alkali metal of the present invention examples include sodium chloride, sodium bromide, sodium iodide, potassium chloride, lithium chloride, sodium sulfate, sodium carbonate, sodium nitrate, potassium sulfate, potassium alum and the like. .
- sodium chloride, potassium chloride and potassium alum are preferred. These compounds are used as foods and fertilizers, and can provide a safe and environmentally friendly core material. Also, even if water-soluble inorganic compounds are scattered during the production and disposal of the core material, it is safe with little effect on the human body and environment.
- an outer box and an inner box are provided, and the vacuum heat insulating material of the present invention is arranged in a space formed by the outer box and the inner box, and a foam heat insulating material is provided in the space other than the vacuum heat insulating material. Filling can be used to compose refrigeration equipment and cooling / heating equipment.
- the vacuum insulation is attached to the outer or inner box side of the space between the outer and inner boxes of the refrigerator, and the other space is filled with resin foam.
- the vacuum insulation and the foamed resin are integrated
- the foamed heat insulator is disposed in the space between the outer box and the inner box of the refrigerator.
- it can be used in a wide range of places without special designation, such as being used for the door part or used for the partition plate.
- the vacuum heat insulating material is used between the machine room and the inner box or around the freezing room, there is an effect that the refrigerator is particularly excellent in heat insulating efficiency and can be operated with a low power consumption.
- the resin foam for example, rigid urethane foam, phenol foam, styrene foam and the like can be used, but they are not particularly specified.
- Refrigerant used for refrigeration equipment and cooling / heating equipment is not specified, such as chlorofluorocarbon 134a, isobutane, n-butane, pupan bread, ammonia, carbon dioxide, etc.
- Refrigeration equipment and cooler / heater of the present invention33 Refrigeration equipment and cooler / heater of the present invention33.
- 3 ⁇ 4ff is the operating temperature range of 130. This is shown as an example of a machine that requires heat insulation at room temperature from c, and can be used, for example, in insulated vehicles and refrigerators that use electronic cooling
- vending machines and other cold / hot equipment that uses hot / cold heat in the range up to t, i) n days n.
- equipment that does not require power such as gas equipment or cooler pox, is also included.
- the normal temperature in the present invention means a temperature in the range of 150 ° C. (Embodiment 1)
- Embodiment 1 will be described with reference to FIG.
- the vacuum heat insulating material 1 is obtained by inserting the core material 2 into the jacket material 3 and sealing the inside by reducing the pressure.
- the core material 2 is constituted by laminating and molding glass wool 4 having an average fiber diameter of 5 m until a predetermined shape is obtained, and an inorganic compound 5.
- Table 1 shows the results of an examination of each of inorganic compound 5 as sodium chloride, potassium chloride, sodium bromide, sodium sulfate, potassium alum, and aluminum sulfate.
- PH of each aqueous solution was measured as follows. For 100 parts by weight of glass wool 4, 3 parts by weight of an inorganic compound are dissolved in 300 parts by weight of water. Then, the pH of the inorganic compound aqueous solution of 303 parts by weight is measured.
- This aqueous solution was sprayed on both surfaces of the molded body of glass wool 4 using a spray device, and then pressed in a hot air circulating furnace at 400 ° C for 20 minutes to have a thickness of 15 mm and a density of 200 mm. Obtain a core material 2 of kg Z ms.
- the strength of the core material 2 was measured at a compressive stress at the time of 10% strain. No problems occurred in the production of the vacuum insulation material for any of the inorganic compounds.
- the jacket 3 is made of two laminating films with a three-side seal.
- the configuration of the two laminated films is as follows.
- One of them is a 50-m-thick linear low-density polyethylene film (hereinafter referred to as LLDPE) as a heat-sealing layer, and a 15-m-thick ethylene-polyvinyl alcohol copolymer film as a gas barrier layer.
- LLDPE 50-m-thick linear low-density polyethylene film
- EVOH ethylene-polyvinyl alcohol copolymer film
- PET polyethylene terephthalate film
- the aluminum deposition surfaces are bonded together.
- LLDPE of the heat fusion layer and EVOH of the gas barrier layer are dry-laminated.
- the other one is a 50-m-thick LLDPE heat-sealing layer, a 6-m-thick aluminum foil as a gas barrier layer, and a 12-zm-thick polyamid film as a protective layer. It is composed of a 12 m thick polyamide film.
- the vacuum insulation material 1 is manufactured by drying the core material 2 in a drying oven at 140 ° C. for 1 hour, inserting the core material 2 into the jacket material 3, and reducing the internal pressure to 3 Pa and sealing the inside. .
- the thermal conductivity of the vacuum heat insulating material 1 manufactured as described above was measured at an average temperature of 24 and found to be in the range of 0.022 W / mK: to 0.023 WZmK. That is, it can be seen that all of the inorganic compounds have good thermal conductivity.
- the water component was analyzed from the used core material.
- An example of the analysis method is shown below. First, an arbitrary part of the core material 2 is sampled to make a finely divided sample. Add 200 ml of pure water to 5 g of the sample, shake gently, elute the binder in an ultrasonic bath for 15 minutes, and filter the eluate. The filtrate was heated and dried to evaporate the water, and the water-soluble solid component used for the core material 2 was obtained. Next, elemental analysis of the obtained substance was performed by, for example, the XMA method, and it was confirmed that each was the same as the component sprayed as an aqueous solution.
- a water-soluble inorganic compound was confirmed using the method described above.
- this method can be applied to both the core material before the vacuum insulation material is manufactured and the core material obtained by dismantling the vacuum insulation material after the manufacture.
- analysis method is an example, and does not particularly specify an analysis method as long as the method can identify an inorganic compound.
- the pH of the aqueous inorganic compound solution used can also be confirmed from the core material disassembled and taken out after the production of the vacuum heat insulating material.
- Embodiment 1 water-soluble components were confirmed in the case where sodium hydroxide and calcium carbonate were used as the inorganic compound 5 and in the case where only water without the inorganic compound was used. Other aspects are the same as in the first embodiment, and the measurement was performed in the same manner as in the first embodiment. Table 2 shows the results.
- the pH of the aqueous sodium hydroxide solution was 13.347, and calcium carbonate was not soluble in water and hardly dissolved in water.
- the strength of calcium carbonate and water alone is low, and the core is slightly deformed or slipped when the core is inserted into the jacket.
- Embodiment 2 will be described with reference to FIG.
- Refrigerator 6 is provided with vacuum heat insulating material 1 having the same configuration as in the first embodiment, inside the wall of heat insulating box 7.
- the heat insulating box 7 is composed of an outer box 8 formed by press-forming an iron plate and an inner box 9 formed by vacuum-forming ABS resin via a flange.
- the vacuum heat insulating material 1 is previously disposed inside the wall of the heat insulating box 7, and the space other than the vacuum heat insulating material 1 is foam-filled with rigid urethane foam 10. Cyclopentane is used as a foaming agent for the rigid urethane foam 10.
- the heat-insulating box 7 is separated by a partition plate 12, and the upper part is a refrigerator compartment.
- the lower part is a freezer compartment 14.
- a damper 15 is attached to the partition plate 1 2.
- An evaporator 16 is arranged in the refrigerator, and a compressor 17, a condenser 18, and a capillary tube 19 are sequentially connected in a ring shape to form a refrigeration cycle.
- a refrigerant isobutane
- the evaporator 16 may be provided at two places of the refrigerating compartment 13 and the freezing compartment 14 and connected in series or in parallel to form a refrigerating cycle.
- the refrigerator 6 is provided with a door body 11.
- a vacuum heat insulating material 1 is provided inside the door body 11, and a hard polyurethane foam 10 is foam-filled in spaces other than the vacuum heat insulating material.
- the present invention comprises a core material, and a jacket material covering the core material and depressurizing the inside, wherein the core material is a molded body containing inorganic fibers, and the molded body is at least water-soluble.
- a vacuum heat insulating material formed using a compound containing an inorganic compound, wherein the water-soluble inorganic compound contains a metal element and is solid at normal temperature.
- the present invention can provide a vacuum heat insulating material having a significantly improved core material strength. Therefore, refrigerators, heat insulating and cooling containers, vending machines, electric water heaters, vehicles, homes, and other devices to which the vacuum heat insulating material is applied, It can be widely used in technical fields such as buildings.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermal Insulation (AREA)
- Refrigerator Housings (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112004001930T DE112004001930T5 (de) | 2003-10-23 | 2004-08-03 | Vakuum-Wärme-Isolator sowie Gefriervorrichtung und Kühlvorrichtung, in denen der Isolator verwendet wird |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003363095A JP2005127409A (ja) | 2003-10-23 | 2003-10-23 | 真空断熱材、並びに真空断熱材を用いた冷凍機器及び冷温機器 |
JP2003-363095 | 2003-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005040664A1 true WO2005040664A1 (ja) | 2005-05-06 |
Family
ID=34510023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/011413 WO2005040664A1 (ja) | 2003-10-23 | 2004-08-03 | 真空断熱材と、それを用いた冷凍機器及び冷温機器 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2005127409A (ja) |
CN (2) | CN2731243Y (ja) |
DE (1) | DE112004001930T5 (ja) |
TW (1) | TW200519312A (ja) |
WO (1) | WO2005040664A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005127409A (ja) * | 2003-10-23 | 2005-05-19 | Matsushita Electric Ind Co Ltd | 真空断熱材、並びに真空断熱材を用いた冷凍機器及び冷温機器 |
US9855725B2 (en) | 2005-05-23 | 2018-01-02 | Panasonic Corporation | Vacuum heat insulator and testing method for the glass fiber laminate to be used in the insulator |
JP4580843B2 (ja) * | 2005-08-24 | 2010-11-17 | 日立アプライアンス株式会社 | 真空断熱材及びそれを用いた冷蔵庫 |
DE102005045726A1 (de) * | 2005-09-23 | 2007-04-05 | Va-Q-Tec Ag | Verfahren zur Herstellung eines folienumhüllten Vakuumdämmkörpers |
DE102008022380A1 (de) * | 2008-05-06 | 2009-11-19 | Va-Q-Tec Ag | Staubfiltermaterial für Vakuumdämmplatten |
DE102009002800A1 (de) * | 2009-05-04 | 2010-11-18 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltskältegerät und wärmeisolierende Wandung eines Haushaltskältegerätes |
EP2982897B1 (en) * | 2013-04-05 | 2019-09-25 | Mitsubishi Electric Corporation | Vacuum heat-insulating material, thermal insulation tank provided with same, thermal insulator, and heat pump hot water heater |
CN106536383B (zh) * | 2014-08-21 | 2019-09-27 | 松下知识产权经营株式会社 | 隔热容器 |
CN106247087A (zh) * | 2016-08-30 | 2016-12-21 | 苏州维艾普新材料股份有限公司 | 一种真空绝热板 |
CN106122686A (zh) * | 2016-08-31 | 2016-11-16 | 苏州维艾普新材料股份有限公司 | 一种真空绝热材料及芯材 |
CN106884356A (zh) * | 2017-02-15 | 2017-06-23 | 合肥华凌股份有限公司 | 芯材制造方法、芯材和真空绝热板 |
JP6910975B2 (ja) * | 2018-02-08 | 2021-07-28 | 日立グローバルライフソリューションズ株式会社 | 冷蔵庫 |
DE102019201460A1 (de) * | 2019-02-05 | 2020-08-06 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Glasfasern, die bei der Herstellung einer Stützstruktur für Vakuum-Isolationspaneele eingesetzt werden sowie damit hergestellte Glasfasern |
CN112208160A (zh) * | 2019-10-23 | 2021-01-12 | 四川迈科隆真空新材料有限公司 | 一种编织体骨架结构的真空绝热板 |
CN111503432B (zh) * | 2020-04-24 | 2021-12-21 | 四川迈科隆真空新材料有限公司 | 一种真空绝热板的制造方法 |
CN111503433B (zh) * | 2020-04-24 | 2021-12-21 | 四川迈科隆真空新材料有限公司 | 一种异型真空绝热板的制造方法 |
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JP2003042652A (ja) * | 2001-07-26 | 2003-02-13 | Matsushita Refrig Co Ltd | 断熱箱体およびこの断熱箱体を備えた冷蔵庫 |
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JPH07167376A (ja) * | 1993-12-17 | 1995-07-04 | Nippon Muki Co Ltd | 真空断熱材およびその製造方法 |
TW470837B (en) * | 2000-04-21 | 2002-01-01 | Matsushita Refrigeration | Vacuum heat insulator |
JP3482399B2 (ja) * | 2001-04-16 | 2003-12-22 | 松下冷機株式会社 | 真空断熱材、および、真空断熱材の製造方法、ノート型コンピュータ、冷凍機器、電気湯沸かし器、オーブンレンジ |
JP3478792B2 (ja) * | 2000-09-14 | 2003-12-15 | 松下冷機株式会社 | 冷蔵庫 |
JP3548151B2 (ja) * | 2001-11-14 | 2004-07-28 | 日本グラスファイバー工業株式会社 | 真空断熱材及びその製造方法 |
DE60229169D1 (de) * | 2002-03-13 | 2008-11-13 | Matsushita Electric Ind Co Ltd | Kühlvorrichtung |
JP2005127409A (ja) * | 2003-10-23 | 2005-05-19 | Matsushita Electric Ind Co Ltd | 真空断熱材、並びに真空断熱材を用いた冷凍機器及び冷温機器 |
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2003
- 2003-10-23 JP JP2003363095A patent/JP2005127409A/ja active Pending
-
2004
- 2004-08-03 WO PCT/JP2004/011413 patent/WO2005040664A1/ja active Application Filing
- 2004-08-03 DE DE112004001930T patent/DE112004001930T5/de not_active Withdrawn
- 2004-08-27 TW TW093125811A patent/TW200519312A/zh unknown
- 2004-08-30 CN CNU2004200881218U patent/CN2731243Y/zh not_active Expired - Lifetime
- 2004-08-30 CN CNB2004100570764A patent/CN100383453C/zh not_active Expired - Fee Related
Patent Citations (2)
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JPH10167799A (ja) * | 1996-12-05 | 1998-06-23 | Mitsubishi Chem Corp | ケイ酸カルシウム成形体およびそれを用いた真空断熱材 |
JP2003042652A (ja) * | 2001-07-26 | 2003-02-13 | Matsushita Refrig Co Ltd | 断熱箱体およびこの断熱箱体を備えた冷蔵庫 |
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Publication number | Publication date |
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JP2005127409A (ja) | 2005-05-19 |
DE112004001930T5 (de) | 2013-10-10 |
CN100383453C (zh) | 2008-04-23 |
TW200519312A (en) | 2005-06-16 |
CN1609497A (zh) | 2005-04-27 |
CN2731243Y (zh) | 2005-10-05 |
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