A PRE-FORM, A METHOD FOR MANUFACTURING A PRE-FORM AND A SPAR COMPRISING A REINFORCING STRUCTURE

• Main Author: JENSEN, JAKOB, HJORTH
• Format: Patent
• Language: English; French
• Published: 18.11.2010
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BLASTING; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MAKING GRANULES OR PREFORMS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; PRODUCING MECHANICAL POWER; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A pre-form (6) comprising a plurality of layers of fibres, e.g. in the form of fibre tows, each layer of fibres being arranged in a layer of resin is disclosed. The layers of fibres and resin define a thickness which is at least 12 mm. The pre-form can be used as a reinforcing structure, e.g. in the...