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.
Patent No.:
Date of Patent:
Dec. 03, 2019
Filed:
Dec. 24, 2015
Applicant:
Dowa Thermotech Co., Ltd., Tokyo, JP;
Inventor:
Tsunetaka Yamada, Tokyo, JP;
Assignee:
DOWA THERMOTECH CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 11/02 (2006.01); H05B 3/06 (2006.01); C23C 8/20 (2006.01); H05B 3/66 (2006.01); C23C 8/22 (2006.01); F27D 7/06 (2006.01); F27D 11/12 (2006.01); F27D 99/00 (2010.01);
U.S. Cl.
CPC ...
H05B 3/06 (2013.01); C23C 8/20 (2013.01); C23C 8/22 (2013.01); F27D 7/06 (2013.01); F27D 11/02 (2013.01); F27D 11/12 (2013.01); F27D 99/0006 (2013.01); H05B 3/66 (2013.01);
Abstract
In a heater unit for a carburizing furnace that carburizes a workpiece, a heater that heats a furnace atmosphere; and a heater supporting member that reflects radiant heat of the heater are provided, in which a heat generation part of the heater is attached to the heater supporting member, and a heat generation body composing the heat generation part is formed in a bellows shape.