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:
Jun. 18, 2019

Filed:

Oct. 07, 2016
Applicants:

Ihi Corporation, Tokyo, JP;

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

Inventors:

Kazuhiko Katsumata, Inuyama, JP;

Masatoshi Mitsuzuka, Kakamigahara, JP;

Osamu Sakamoto, Kamo-gun, JP;

Takahiro Nagata, Kamo-gun, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 25/00 (2010.01); C23C 8/20 (2006.01); C21D 9/00 (2006.01); F27D 7/06 (2006.01); F27B 5/04 (2006.01); F27B 5/06 (2006.01); F27B 5/14 (2006.01); F27D 7/04 (2006.01); C21D 1/06 (2006.01);
U.S. Cl.
CPC ...
C23C 8/20 (2013.01); C21D 9/0006 (2013.01); F27B 5/04 (2013.01); F27B 5/06 (2013.01); F27B 5/14 (2013.01); F27D 7/04 (2013.01); F27D 7/06 (2013.01); F27D 25/008 (2013.01); C21D 1/06 (2013.01);
Abstract

A carburizing device includes a furnace body that performs heat treatment on a treatment object to perform carburization treatment on the treatment object, in which: a heater configured to perform heat treatment on the treatment object is provided upright in a vertical direction within the furnace body; a gas supply section configured to supply a gas for burnout toward the heater is provided at a lower end part of the heater; the heater is inserted through a protective tube provided upright in the vertical direction; and the gas supply section is configured to supply the gas for burnout to between the protective tube and the heater.


Find Patent Forward Citations

Loading…