The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 31, 2001
Filed:
Jun. 21, 1999
Applicant:
Inventor:
Yoshio Nishimoto, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E04C 2/284 ;
U.S. Cl.
CPC ...
E04C 2/284 ;
Abstract
A vacuum heat-insulating panel includes a porous core material formed from a mixture containing plastic foam powder and a filler in the form of flakes or a porous core material formed from a mixture containing plastic foam powder and thermoplastic resin powder; and a packaging material for packaging the core material, the inside of the package material being kept in a vacuum, the core material holding its shape. Rigid polyurethane foam may be used as the plastic foam. Mica flakes, plastic films each coated with thin metal film, metal foil or the like may be used as the filler. Styrene resin may be used as the thermoplastic resin.