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:
Jul. 14, 2020
Filed:
Jun. 21, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Hiroshi Kinpara, Toyota, JP;
Taichi Yamaguchi, Okazaki, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
A method for producing a fuel cell separator capable of ensuring the working accuracy for a separator material. A surface of a mold is provided with grooves, each groove having a depth and width each equivalent to or larger than the thickness of a coating layer and equivalent to or smaller than the thickness of the separator material, the mold including an upper die having a projection/recess pressing surface on which projecting and recessed surfaces extending in a predetermined direction are alternately provided, and a lower die having a projection/recess pressing surface in a shape complementary to that of the pressing surface of the upper die.