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:
Mar. 03, 2009
Filed:
May. 24, 2007
Fumio Sawa, Tokyo, JP;
Noriyuki Iwata, Sagamihara, JP;
Hiroshi Hatano, Chofu, JP;
Tetsushi Okamoto, Kawasaki, JP;
Kazuma Mukai, Higashimurayama, JP;
Toshiyuki Aso, Machida, JP;
Makoto Kawahara, Yokohama, JP;
Mikio Kakiuchi, Yokohama, JP;
Fumio Sawa, Tokyo, JP;
Noriyuki Iwata, Sagamihara, JP;
Hiroshi Hatano, Chofu, JP;
Tetsushi Okamoto, Kawasaki, JP;
Kazuma Mukai, Higashimurayama, JP;
Toshiyuki Aso, Machida, JP;
Makoto Kawahara, Yokohama, JP;
Mikio Kakiuchi, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A mica tape comprising a mica foil, a glass cloth, and an inorganic filler arranged on the glass cloth, wherein the mica tape is wound a plurality of times about an outer circumferential surface of a conductor portion of an electrical rotating machine coil so as to form an insulating layer for the coil, and the inorganic filler has a Mohs hardness falling within a range of 1 to 7 and exhibits a heat conductivity superior to those of the mica foil and the glass cloth, whereby, the inorganic filler is excellent in the heat conductivity and has a Mohs hardness not lower than that of the glass cloth contained in the mica tape, when used together with the inorganic filler.