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.

Date of Patent:
Oct. 01, 2013

Filed:

May. 14, 2009
Applicants:

Yuji Kimura, Nomi, JP;

Takahiro Asada, Nomi, JP;

Yoshihiro Yoneda, Nomi, JP;

Kazuaki Suzuki, Nomi, JP;

Inventors:

Yuji Kimura, Nomi, JP;

Takahiro Asada, Nomi, JP;

Yoshihiro Yoneda, Nomi, JP;

Kazuaki Suzuki, Nomi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 85/20 (2006.01); H01H 85/04 (2006.01); H01H 37/76 (2006.01); H01H 69/02 (2006.01); H02H 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A protection element and a secondary battery device employing the protection element are provided for stably retaining a flux on a soluble conductor at a predetermined position, so as to enable appropriate blowout of the soluble conductor in the event of an abnormality. The protection element has a soluble conductor which is disposed on an insulation baseboard, and which is connected to a power supply path of a device targeted to be protected, and which causes a blowout when a predetermined abnormal electric power amount is supplied. A flux is coated on a surface of the soluble conductor, and an insulation cover member is mounted on the baseboard and covers the soluble conductor. The protection element also includes a stepped portion for retaining the flux at a predetermined position in contact with the flux, and the stepped portion is formed opposite to the soluble conductor on an interior face of the insulation cover member.


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