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:
Aug. 27, 2024

Filed:

Apr. 11, 2019
Applicant:

Nippon Steel Texeng. Co., Ltd., Tokyo, JP;

Inventors:

Shinjiro Kuwayama, Tokyo, JP;

Tetsuya Irie, Kasuya-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 11/02 (2006.01); F27B 17/00 (2006.01); C21D 1/34 (2006.01); C21D 1/673 (2006.01);
U.S. Cl.
CPC ...
F27D 11/02 (2013.01); F27B 17/00 (2013.01); C21D 1/34 (2013.01); C21D 1/673 (2013.01);
Abstract

This heating furnace includes a housing having a pair of side walls, a workpiece support material to support a workpiece, a planar heater to heat the workpiece supported by the workpiece support material from above or below, a power feeding device to feed power to the planar heater. The planar heater has a plurality of heating bodies disposed side by side in a conveyance direction and in a left-right direction orthogonal to the conveyance direction in a plan view, the heating bodies each have a heating wire and a sintered body to accommodate the heating wire, include two or more kinds of heating bodies, and include an intermediate heating body alongside which other heating bodies are disposed at both end portions in the left-right direction, and the power feeding device has a feeding unit configured to feed power to each of the heating bodies from the side wall.


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Kuwayama, Shinjiro. (2024). Heating furnace (U.S. Patent No. 12072150). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12072150

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