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:
Jan. 16, 2024
Filed:
May. 26, 2020
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Hiromichi Akiyama, Tokyo, JP;
Kiyoka Takagi, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
A method of the invention produces a composite material conjugate in which a first composite material and a second composite material are adhered without using an adhesive, wherein a first prepreg laminate to which a release member is attached is cured to form the first composite material, the release member being made of a material that does not transfer silicone and fluorine to the first prepreg laminate, after detaching the release member from the first composite material, surface treatment that imparts polar functional groups to the surface of the first composite material to which the release member was bonded is carried out to activate the surface, a second prepreg laminate is placed directly on the activated surface of the first composite material, and the second prepreg laminate is cured to form a second composite material adhered to the first composite material.