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:
Jan. 10, 2012

Filed:

Mar. 30, 2006
Applicants:

Keisuke Mishima, Tokyo, JP;

Hirofumi Kuroda, Tokyo, JP;

Inventors:

Keisuke Mishima, Tokyo, JP;

Hirofumi Kuroda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 7/04 (2006.01); B21D 41/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A cooling device () for cooling a work piece () that has reached a high temperature due to the implementation of a closing operation in which a bottom portion () is formed by closing an end portion of the tubular work piece () comprises a tilting mechanism () which tilts the work piece () such that the bottom portion () faces downwards and a cooling water tank () storing cooling water. The bottom portion () of the work piece () tilted by the tilting mechanism () is submerged in cooling water stored in the cooling water tank ().


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