IMPREGNATION DEVICE, UNIT FOR MANUFACTURING A HOLLOW PROFILE SECTION BY PULTRUSION COMPRISING SUCH A DEVICE, AND CORRESPONDING MANUFACTURING METHOD

• Main Author: ESSAYAN, SOPHIE
• Format: Patent
• Language: English; French; German
• Published: 07.09.2016
• 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

Device (20) for impregnating fibres (12) with resin (32), comprising a hollow peripheral element (22) that has a main axis (A) and a central element (30) coaxial with the peripheral element (22) and housed at least partially inside the latter. A circumferential injection chamber (42) is delimited between the internal wall of the peripheral element (22) and the external wall of the central element (30), said injection chamber having an inlet end (42A) and an outlet end (42B), and the device comprises resin conveying means communicating with said injection chamber. A unit for manufacturing a hollow profile section by pultrusion comprising such an impregnation device and a corresponding method of manufacture are also divulged.