Dowa Thermotech Co., Ltd.
Chiyoda-ku, Tokyo, JP
|Dowa Thermotech Co., Ltd. Patent applications|
|Patent application number||Title||Published|
|20150275346||HEAT TREATMENT APPARATUS - The present invention provides a heat treatment apparatus for carrying out heat treatment for a circular workpiece. The heat treatment apparatus includes a treatment room configured to carry out a predetermined treatment for the workpiece, a transportation mechanism configured to transport the workpiece into the treatment room and out of the treatment room, and a mounting table on which the workpiece transported into the treatment room is mounted. The transportation mechanism is provided with a transportation arm which mounts and transports the workpiece. The transportation arm is provided with at least three transport support pins which support the workpiece when the workpiece is transported, and the mounting table is provided with at least three mounting table support pins which support the workpiece.||10-01-2015|
|20130333808||NITRIDED STEEL MEMBER AND MANUFACTURING METHOD THEREOF - The present invention provides a nitrided steel member and manufacturing method thereof. the nitrided steel member including: an iron nitride compound layer formed on a surface of a steel member made of carbon steel for machine structural use or alloy steel for machine structural use, in which with regard to X-ray diffraction peak intensity IFe||12-19-2013|
|20090142721||Atmosphere Heat Treatment Apparatus and Method of Operating the Same - An object of the present invention is to provide an atmosphere heat treatment apparatus that is operable without relying on experiences and/or intuitions of an operator, and a method of operating the same. The atmosphere heat treatment apparatus includes an entrance side exhaust path (||06-04-2009|
Patent applications by Dowa Thermotech Co., Ltd.