PROCEDE D'OBTENTION D'UNE PREFORME DE FIBRES ET DISPOSITIF A FAIBLE INERTIE THERMIQUE POUR SA MISE EN OEUVRE
The process comprises placing fibers with less quantity of resin in a preforming tool comprising an element (14), raising the temperature of a porous preform (10) to obtain the polymerization of the resin, maintaining the fibers against the preforming element until the temperature of the preform dec...
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| creator | LANNUZEL MATHIEU BLOT PHILIPPE |
| description | The process comprises placing fibers with less quantity of resin in a preforming tool comprising an element (14), raising the temperature of a porous preform (10) to obtain the polymerization of the resin, maintaining the fibers against the preforming element until the temperature of the preform decreases below threshold temperature. The increase in temperature is obtained by dynamically transferring heat between a heat source and the preform. Porosity of the preforming tool is adjusted in order to be permeable to coolant fluid. An independent claim is included for a device for obtaining a porous preform from fibers with less quantity of resin. |
| format | Patent |
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The increase in temperature is obtained by dynamically transferring heat between a heat source and the preform. Porosity of the preforming tool is adjusted in order to be permeable to coolant fluid. 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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING GRANULES OR PREFORMS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED 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 WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | PROCEDE D'OBTENTION D'UNE PREFORME DE FIBRES ET DISPOSITIF A FAIBLE INERTIE THERMIQUE POUR SA MISE EN OEUVRE |
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