VACUUM HEAT INSULATION MATERIAL
PROBLEM TO BE SOLVED: To provide a vacuum heat insulation material with high uniformity in heat insulation characteristics, easily manufacturable by a normal paper making device and method, having a structure not having particular orientation in fiber orientation in a sheet horizontal direction, and...
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| creator | KAKIZAKI YOSHINOBU HIBI FUMIHIDE KATAGIRI YUJI |
| description | PROBLEM TO BE SOLVED: To provide a vacuum heat insulation material with high uniformity in heat insulation characteristics, easily manufacturable by a normal paper making device and method, having a structure not having particular orientation in fiber orientation in a sheet horizontal direction, and providing efficient removal of a very small amount of adsorbed moisture on an inorganic fiber surface, in regard to a vacuum heat insulation material using multiple layers of wet type papermaking sheets mainly composed of inorganic fiber with very small diameters as a vacuum heat insulation material core material. SOLUTION: The vacuum heat insulation material is composed by using plurally laminated inorganic sheets formed by carrying out wet type paper making on mainly inorganic fiber with an average fiber diameter of 4 μm or less. It is characterized by that a percentage content of particulate matter with a particle size of 30 μm or more and fibrous matter with a diameter of 10 μm or more in the inorganic fiber is 0.1 wt.% or less, thickness of the inorganic fiber sheet is 0.2 mm or less, and the inorganic fiber in the core material is arranged in a vertical direction with respect to a laminated direction of the inorganic fiber. COPYRIGHT: (C)2007,JPO&INPIT |
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SOLUTION: The vacuum heat insulation material is composed by using plurally laminated inorganic sheets formed by carrying out wet type paper making on mainly inorganic fiber with an average fiber diameter of 4 μm or less. It is characterized by that a percentage content of particulate matter with a particle size of 30 μm or more and fibrous matter with a diameter of 10 μm or more in the inorganic fiber is 0.1 wt.% or less, thickness of the inorganic fiber sheet is 0.2 mm or less, and the inorganic fiber in the core material is arranged in a vertical direction with respect to a laminated direction of the inorganic fiber. 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SOLUTION: The vacuum heat insulation material is composed by using plurally laminated inorganic sheets formed by carrying out wet type paper making on mainly inorganic fiber with an average fiber diameter of 4 μm or less. It is characterized by that a percentage content of particulate matter with a particle size of 30 μm or more and fibrous matter with a diameter of 10 μm or more in the inorganic fiber is 0.1 wt.% or less, thickness of the inorganic fiber sheet is 0.2 mm or less, and the inorganic fiber in the core material is arranged in a vertical direction with respect to a laminated direction of the inorganic fiber. 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SOLUTION: The vacuum heat insulation material is composed by using plurally laminated inorganic sheets formed by carrying out wet type paper making on mainly inorganic fiber with an average fiber diameter of 4 μm or less. It is characterized by that a percentage content of particulate matter with a particle size of 30 μm or more and fibrous matter with a diameter of 10 μm or more in the inorganic fiber is 0.1 wt.% or less, thickness of the inorganic fiber sheet is 0.2 mm or less, and the inorganic fiber in the core material is arranged in a vertical direction with respect to a laminated direction of the inorganic fiber. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING BRAIDING COTTON-WOOL ENGINEERING ELEMENTS AND UNITS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES KNITTING LACE-MAKING LIGHTING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING NON-WOVEN FABRICS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TEXTILES THERMAL INSULATION IN GENERAL TRIMMINGS WADDING WEAPONS |
| title | VACUUM HEAT INSULATION MATERIAL |
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