VACUUM HEAT INSULATING PANEL AND EQUIPMENT EQUIPPED THEREWITH

• Main Authors: NAKAKAWAJI TAKAYUKI, ECHIGOYA HISASHI, KAMOTO DAIGORO, YOKOKURA HISAO, FUKUDA KATSUMI
• Format: Patent
• Language: English
• Published: 28.02.2008
• Subjects: APPARATUS FOR MAKING BEVERAGES; BLASTING; COFFEE MILLS; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION; DOMESTIC ARTICLES OR APPLIANCES; ENGINEERING ELEMENTS AND UNITS; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; FURNITURE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HUMAN NECESSITIES; JOINTS OR FITTINGS FOR PIPES; KITCHEN EQUIPMENT; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; OTHER DOMESTIC STOVES OR RANGES; PERFORMING OPERATIONS; PIPES; RANGES; SPICE MILLS; SUCTION CLEANERS IN GENERAL; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRANSPORTING; VENTILATING; WEAPONS

PROBLEM TO BE SOLVED: To provide a high performance vacuum heat insulating panel adaptable in a high temperature environment, having higher sticking-in and tearing-off resistance and lower cost while suppressing the aging deterioration of a heat conducting property. SOLUTION: In the vacuum heat insulating panel, glass wool having an average fiber diameter of 3-5 μm and containing no bonding agent, and a getter agent are covered with a facing material formed of metal foil, an organic high polymer (polyimide, polyamideimide, polyimidesiloxane, or polyamide) superior in oxygen permeability is used for welding the facing material, and its inside is depressurized and sealed. A welded layer has a welded portion only formed in a framed shape to suppress the generation of outgas while maintaining adhering strength. The vacuum heat insulating panel is placed in equipment having at least a 150°C heated portion where heat insulation is required. COPYRIGHT: (C)2008,JPO&INPIT