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. 13, 2015

Filed:

Apr. 02, 2013
Applicant:

Kobe Steel, Ltd., Hyogo, JP;

Inventors:

Eisuke Kurosawa, Kobe, JP;

Takehiro Nakaoka, Kobe, JP;

Kazuyuki Tsutsumi, Kobe, JP;

Hideto Oyama, Takasago, JP;

Hidetaka Kanahashi, Takasago, JP;

Hitoshi Ishida, Kobe, JP;

Daiki Takahashi, Kobe, JP;

Daisuke Matsuwaka, Kobe, JP;

Assignee:

Kobe Steel, Ltd., Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 11/055 (2006.01); B22D 11/00 (2006.01); B22D 11/041 (2006.01);
U.S. Cl.
CPC ...
B22D 11/001 (2013.01); B22D 11/041 (2013.01); B22D 11/055 (2013.01);
Abstract

A mold () has a cooling means () for having the thermal flux at four corner sections () be smaller than the thermal flux at four face sections (). The cooling means () has first channels () which are each embedded in the four corner sections () respectively and which channel cooling water, and second channels () which are each embedded in the four face sections () respectively and which channel cooling water. The distance from the inner peripheral surface of the mold () to the first channels () is greater than the distance from the inner peripheral surface of the mold () to the second channels ().


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