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:
Oct. 26, 2021
Filed:
Sep. 16, 2019
Futamura Kagaku Kabushiki Kaisha, Nagoya, JP;
FUTAMURA KAGAKU KABUSHIKI KAISHA, Aichi, JP;
Abstract
A method of production of a channel member for fuel cell use comprising a step of obtaining a sheet-shaped first conductor partcontaining a carbon material of at least one of carbon nanotubes, granular graphite, and carbon fibers and a first resin, a step of laying a sheet-shaped second conductor partcontaining a carbon material and a second resin with a lower melting point than the first resin to form a sheet-shaped base part, a step of transferring a grooved surfaceto a surface to form a grooved base partprovided with groove part, a step of laying a sheet-shaped third conductor partcontaining a carbon material and a third resin with a lower melting point than the first resin, and a step of integrally joining the grooved base part and the third conductor part by hot melt bonding to cover the groove parts.