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:
Jun. 18, 2019
Filed:
Sep. 12, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Toyota School Foundation, Nagoya-shi, Aichi-ken, JP;
Tetra Co., Ltd., Kasugai-shi, Aichi-ken, JP;
Eiji Tabata, Nisshin, JP;
Yuichi Furukawa, Toyota, JP;
Yoshiki Tsunekawa, Nagoya, JP;
Hiroyuki Matsubara, Owariasahi, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
TETRA CO., LTD, Kasugai-shi, Aichi-ken, JP;
TOYOTA SCHOOL FOUNDATION, Nagoya-shi, Aichi-ken, JP;
Abstract
There is provided a nitrided layer repair method in which a molten metal is pressurized and solidified, and thus a nitrided layer formed on a cavity surface of a mold used to form a casting object is repaired. In the nitrided layer repair method, a nitriding source is applied to the cavity surface, and the cavity surface of the mold is nitrided by heating and pressurizing the cavity surface using the molten metal.