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:
Apr. 04, 1989
Filed:
Sep. 21, 1987
Kazuo Aoyama, Chiba, JP;
Yukitaka Murata, Tokyo, JP;
Kiyoshi Hattori, Tokyo, JP;
Akio Okamoto, Tokyo, JP;
Kiyoshi Takahashi, Ibaraki, JP;
Takashi Sasaki, Ibaraki, JP;
Shigeko Hanari, Ibaraki, JP;
Ryowa Corporation, Tokyo, JP;
Tokyo Gas Co., Ltd., Tokyo, JP;
Abstract
A heating soft floor mat is described comprising a base sheet composed of a thermoplastic resin foamed article as a heat insulating layer having meanderingly formed thereon grooves for conduits, conduits for heating medium disposed in the grooves, and cover material having flexibility covering the surface side thereof, wherein the thermoplastic resin foamed article is a crosslinked polyethylene foamed article containing closed cells having a degree of expansion of from 10 to 40 and the conduits are composed of low density crosslinked polyethylene having a density of less than 0.910 g/cm.sup.3.