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:
Feb. 11, 2025
Filed:
Aug. 09, 2022
Applicant:
Hitachi Astemo, Ltd., Ibaraki, JP;
Inventors:
Assignee:
HITACHI ASTEMO, LTD., Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/30 (2006.01); B29K 307/04 (2006.01); B29L 23/00 (2006.01);
U.S. Cl.
CPC ...
B29C 70/30 (2013.01); B29K 2307/04 (2013.01); B29L 2023/22 (2013.01);
Abstract
A tube body production method includes: a disposing step of disposing carbon fibers with respect to an outer circumferential surface of a mandrel so that the carbon fibers extend in the axial direction of the mandrel; and a molding step of impregnating the fiber body with a resin on the outer circumferential surface of the mandrel and then heating the resin to mold the resin, wherein the disposing step and the molding step are performed in a state where the axial direction of the mandrel coincides with an up-down direction.