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:
Dec. 20, 2022
Filed:
Aug. 21, 2017
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 65/00 (2006.01); F17C 1/16 (2006.01); B29C 45/00 (2006.01); B29C 65/02 (2006.01); B29K 77/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 66/71 (2013.01); B29C 45/00 (2013.01); B29C 65/02 (2013.01); F17C 1/16 (2013.01); B29K 2077/00 (2013.01); B29K 2995/0012 (2013.01); B29K 2995/0041 (2013.01); B29K 2995/0094 (2013.01); B29L 2031/7172 (2013.01); F17C 2203/0604 (2013.01); F17C 2203/0663 (2013.01); F17C 2203/0675 (2013.01); F17C 2209/219 (2013.01); F17C 2209/2118 (2013.01); F17C 2209/2154 (2013.01); F17C 2209/221 (2013.01); F17C 2209/232 (2013.01); F17C 2221/012 (2013.01); F17C 2223/0123 (2013.01); F17C 2223/036 (2013.01); F17C 2260/011 (2013.01); F17C 2260/036 (2013.01); F17C 2270/0184 (2013.01); Y02E 60/32 (2013.01);
Abstract
A hollow molded article having a joining site where two or more split objects are welded by plastic welding and comes into contact with pressurized hydrogen, wherein an average spherulite size in a portion which is 500 μm deep inside from a surface of the hollow molded article is 20 μm or less, and a tensile strength of a test piece containing the joining site of the hollow molded article is 80% or more based on a tensile strength of a test piece not containing the joining site of the hollow molded article.