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METHOD FOR PRODUCING A CONTINUOUS-FIBRE-REINFORCED HOLLOW-BODY STRUCTURE, AND CONTINUOUS-FIBRE-REINFORCED HOLLOW-BODY STRUCTURE PRODUCED THEREBY
METHOD FOR PRODUCING A CONTINUOUS-FIBRE-REINFORCED HOLLOW-BODY STRUCTURE, AND CONTINUOUS-FIBRE-REINFORCED HOLLOW-BODY STRUCTURE PRODUCED THEREBY
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机译:连续纤维增强的空心体结构的制造方法及其所产生的连续纤维增强的空心体结构
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摘要
The present invention relates to a method for producing a continuous-fibre-reinforced hollow-body structure (1), comprising the steps: providing a profile-shaped hollow body (2) from a composite (2') which comprises thermoplastic matrix fibres (3) and temperature-stable continuous reinforcement fibres (4); arranging an expansion profile (5) within the hollow body; heating the hollow body to above the melting temperature of the matrix fibres; receiving the hollow body within a mould cavity (6) which is enclosed by at least one mould wall (7) that defines the contour of the hollow-body structure; consolidating and/or thermoforming the hollow body by the hollow body being placed against the mould wall by means of the application of pressure by a pressure medium (8) that is present and/or has been introduced into the expansion profile; cooling and removing the formed hollow-body structure, wherein the expansion profile is formed by a thermoplastic tubular film (5') and the melting temperature of the material of the tubular film is higher than the melting temperature of the matrix fibres.
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