Patent ID: 10625441

Abstract:
Provided is a method for manufacturing a formed article that excels in shape retainability and appearance, using a sheet that contains a thermoplastic resin fiber and a continuous reinforcing fiber. The method for manufacturing a formed article comprises irradiating laser light onto a sheet having, arranged therein with a certain directionality, yarns that contain a thermoplastic resin fiber and a continuous reinforcing fiber, so as to allow at least a part of the thermoplastic resin fiber to be impregnated into the continuous reinforcing fiber; the laser light being irradiated so as to satisfy at least one of A or B below, over at least 70% or more of the laser irradiation area; A: irradiated in a direction 5 to 85° away from the direction of arrangement of yarns in the in-plane direction of the sheet; and B: irradiated in a direction 30 to 60° away from the direction perpendicular to the sheet plane.