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:
May. 25, 2004
Filed:
Apr. 17, 2002
Hideo Tokonabe, Tokyo, JP;
Katsuhiko Umeda, Tokyo, JP;
Jamco Corporation, Tokyo, JP;
Abstract
The present invention provides a vacuum heat-insulating block including a honeycomb core, wherein the block structure prevents the honeycomb core having a low bulk specific gravity from collapsing by atmospheric pressure, the block attaining flexibility and sound absorption property. The vacuum heat-insulating block according to the present invention is basically composed of a core utilizing a plurality of layered honeycomb members (formed by bonding a honeycomb core member to a support plate ) and covering the core with a cover member . Moreover, a woven or non-woven fabric having air permeability is disposed between the layers of honeycomb core members