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.:

US 8946557 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 03, 2015

Filed:

Mar. 01, 2012
Applicants:

Hideo Fukuda, Tokyo, JP;

Yohei Ishii, Tokyo, JP;

Daisuke Muto, Tokyo, JP;

Hiroyuki Egawa, Tokyo, JP;

Inventors:

Hideo Fukuda, Tokyo, JP;

Yohei Ishii, Tokyo, JP;

Daisuke Muto, Tokyo, JP;

Hiroyuki Egawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 7/00 (2006.01); H01B 3/30 (2006.01); H01B 3/42 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01B 3/301 (2013.01); H01B 3/305 (2013.01); H01B 3/423 (2013.01); H01F 27/2823 (2013.01);
Abstract

A multilayer insulated electric wire having: a conductor; at least three extruded insulating layers covering the conductor; wherein an outermost layer (A) of the insulating layers is composed of an extruded coating layer containing a polyamide resin and the film thickness is 25 μm or less, wherein an inner layer (B) of the extruded insulating layers is composed of an extruded coating layer containing a crystalline resin having a melting point of 225° C. or more or an amorphous resin having a glass transition temperature of 200° C. or more.


Find Patent Forward Citations

Fukuda, Hideo. (2015). Multilayer insulated electric wire and transformer using the same (U.S. Patent No. 8946557). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8946557

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