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:
May. 23, 2023
Filed:
Jun. 08, 2021
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Koji Katano, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Primary Examiner:
Int. Cl.
CPC ...
F17C 1/06 (2006.01); B29C 53/60 (2006.01); B29C 53/82 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 53/602 (2013.01); B29C 53/822 (2013.01); F17C 1/06 (2013.01); B29L 2031/7156 (2013.01); F17C 2209/2163 (2013.01); F17C 2209/227 (2013.01);
Abstract
A method for manufacturing a high pressure tank includes a step of forming a reinforcing pipe portion including a straight pipe portion and reduced-diameter portions, a step of forming reinforcing dome portions, a step of forming a joined body by joining the reinforcing pipe portion and the reinforcing dome portions, and a step of forming an outer helical layer on an outer face of the joined body. The reinforcing dome portions are disposed with opening ends of the reinforcing dome portions positioned on outer faces of the reduced-diameter portions of the reinforcing pipe portion.