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:
Mar. 05, 2024
Filed:
Dec. 05, 2019
K-plasheet Corporation, Chiba, JP;
Toyota Boshoku Kabushiki Kaisha, Kariya, JP;
Yutaka Araki, Chiba, JP;
Seiji Hanatani, Chiba, JP;
Tadaaki Yasumi, Chiba, JP;
Tsutomu Takagi, Kakamigahara, JP;
Atsuhiro Hattori, Aichi, JP;
K-PLASHEET CORPORATION, Chiba, JP;
TOYOTA BOSHOKU KABUSHIKI KAISHA, Kariya, JP;
Abstract
To provide an expansion molded product not only excellent in sound absorption properties and rigidity but also resistant to tearing after bending deformation, and a web and a stampable sheet suitable for producing the expansion molded product. The presently disclosed web, stampable sheet, and expansion molded product contain a reinforcing fiber containing an inorganic fiber and an organic fiber, a thermoplastic resin, and a thermal expandable particle, where the proportion of the reinforcing fiber is 20 mass % or more and 55 mass % or less based on a total amount of the reinforcing fiber and the thermoplastic resin, the proportion of the organic fiber is 25 mass % or more and 77 mass % or less based on a total amount of the organic and inorganic fibers, the reinforcing fiber has an average length of 8 mm or more, and the organic fiber has a breaking elongation of 15% or more.