VACUUM HEAT INSULATING MATERIAL

• Main Authors: URATA TAKAYUKI, SANO MITSUHIRO, HIROTA MOTONARI
• Format: Patent
• Language: English
• Published: 25.05.2001
• Edition: 7
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; BLASTING; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PIPES; STORING; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

PROBLEM TO BE SOLVED: To provide a problem that a conventional heat insulating material having a metallic deposition layer is not capable of holding vacuum under a high temperature in the vicinity of 100 deg.C and heat insulating property is lowered. SOLUTION: A vacuum heat insulating material which is not deteriorated for a long period and has high heat insulating performance is made by constituting a gas barrier layer 5 having a gas barrier property by metal which has ductility and heat conductivity of 100 W/m.K or below at 300 K.