Fiber-reinforced resin molded article

The fiber-reinforced resin molded body addresses the strength and molding challenges of thin fiber-reinforced composites by laminating resin-integrated fiber sheets with different resins, achieving a balance of functionality and strength through efficient thermoplastic resin molding.

JP7689918B2Active Publication Date: 2025-06-09KURABO INDUSTRIES LTD
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Patent Information

Application Number
JP2021524839
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-06-07
Filing Date
2020-06-01
Publication Date
2025-06-09
Estimated Expiration
2040-06-01

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Abstract

A plurality of resin integrated fiber sheets 30, 31 each comprising a continuous fiber sheet and a thermoplastic resin are stacked on one another, at least two types of the resin integrated fiber sheets are stacked and integrated, including a surface layer and an inner layer, and a resin integrated fiber sheet 30 in at least one surface layer and another resin integrated fiber sheet 31 differ from one another. Unidirectional continuous fibers in which continuous fiber groups are opened and are arranged in parallel in one direction, and cross-linking fibers in a direction interleaved with the unidirectional continuous fibers exist in each continuous fiber sheet, and the cross-linking fibers are preferably adhesively fixed to the continuous fiber sheets by means of thermoplastic resin. In this way, functionality is imparted to at least one surface layer, and the other layers have high strength, thereby providing a fiber reinforced resin molded body which also as a whole has adequate strength for practical use.
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Citation Information

Patent Citations

  • Stamping material with improved strength

    JP1989154736A

  • Hybrid frp laminate

    JP1995001625A

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  • Bent-shaped reinforcing fiber base material, laminate using the same, preform, fiber-reinforced resin composite material and methods for producing them

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  • Compound carbon fiber base material, pre-form and method for manufacturing carbon-fiber reinforced plastic

    JP2010155460A