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:
May. 12, 2020

Filed:

Sep. 27, 2017
Applicants:

Ihi Corporation, Tokyo, JP;

Ihi Machinery and Furnace Co., Ltd., Tokyo, JP;

Inventor:

Kazuhiko Katsumata, Inuyama, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 7/06 (2006.01); C21D 1/773 (2006.01); F27B 17/00 (2006.01); C21D 11/00 (2006.01); C21D 1/767 (2006.01); F27D 15/02 (2006.01); C21D 1/62 (2006.01); C21D 1/00 (2006.01); F27D 9/00 (2006.01);
U.S. Cl.
CPC ...
C21D 1/773 (2013.01); C21D 1/62 (2013.01); C21D 1/767 (2013.01); C21D 11/005 (2013.01); F27B 17/00 (2013.01); F27B 17/0016 (2013.01); F27D 7/06 (2013.01); F27D 15/02 (2013.01); C21D 1/00 (2013.01); F27B 2017/0091 (2013.01); F27D 2009/0005 (2013.01); F27D 2009/0072 (2013.01);
Abstract

This heat treatment apparatus is configured such that a treating target is conveyed via an intermediate conveyance chamber and accommodated in a heating chamber. The heat treatment apparatus is provided with a gas cooling chamber that is disposed adjacent to the intermediate conveyance chamber and in which the treating target is cooled using a cooling gas containing an oxidizer.


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