US 12,434,449 B2
Fiber-reinforced resin pultruded product and method for producing same
Katsuhiko Yokota, Osaka (JP); Tadaharu Tanaka, Osaka (JP); and Yoichi Hiraishi, Osaka (JP)
Assigned to Kurashiki Boseki Kabushiki Kaisha, Okayama (JP)
Appl. No. 18/247,714
Filed by KURASHIKI BOSEKI KABUSHIKI KAISHA, Kurashiki (JP)
PCT Filed Oct. 4, 2021, PCT No. PCT/JP2021/036641
§ 371(c)(1), (2) Date Apr. 3, 2023,
PCT Pub. No. WO2022/075265, PCT Pub. Date Apr. 14, 2022.
Claims priority of application No. 2020-168947 (JP), filed on Oct. 6, 2020.
Prior Publication US 2024/0001631 A1, Jan. 4, 2024
Int. Cl. B29C 70/52 (2006.01)
CPC B29C 70/521 (2013.01) [B29C 70/526 (2013.01); B29C 70/528 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A fiber-reinforced resin pultruded product obtained by molding a fiber sheet,
wherein the fiber sheet is a semi-preg sheet in which a thermoplastic powder resin serving as a matrix is fused to at least a fiber surface, and
the fiber-reinforced resin pultruded product is a solid molded product in which the fiber sheet has been pultruded, the fiber sheet inside the molded product is folded into an irregular shape, and the thermoplastic resin fills an inside of the fiber sheet and spaces between overlapping portions of the fiber sheet and is integrated with the fiber sheet.