Method for Manufacturing Complex 3D Preforms

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This invention describes a method for producing complex 3D preforms by using a stitchable textile surface as the base layer. Strengthening fiber strands (rovings) are embroidered onto this textile using a blind stitch technique with a curved needle, without fully penetrating the textile. The base layer can be made from either knit or non-knit textile materials.

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• Manufacture of lightweight, high-strength 3D components for the automotive and aerospace industries
• Production of reinforced composites for wind turbines or sporting goods
• Development of customized, structurally efficient preforms for research and prototyping
• Preparation of textile reinforcements for advanced composite materials in civil engineering

BenefitsContent extracted from patent full text and abstract with AI.

• Enables production of complex 3D shapes with enhanced structural properties
• Reduces damage to the base textile by avoiding full penetration during stitching
• Allows precise placement of reinforcement fibers for optimized strength
• Improves manufacturing efficiency and flexibility for composite preforms
• Supports use of various textile materials as the base layer

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Inventors & Applicants

Patent Abstract

Die Erfindung betrifft ein Verfahren zur Fertigung von komplexen 3D-Preformen unter Verwendung eines bestickbaren textilen Flächengebildes als Erstlage, wobei das textile Flächengebilde in Form eines maschenbildenden oder nichtmaschenbildenden textilen Halbzeuges vorliegt. Mittels eines Blindstichtyps werden Stränge aus Verstärkungsfasern (Rovings) mit gebogener Nadel auf das textile Flächengebilde aufgestickt, wobei das textile Flächengebilde nicht vollständig durchstoßen wird.