B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/48 (2006.01) B29B 15/12 (2006.01) B29C 44/22 (2006.01) B29C 47/06 (2006.01) B29C 47/24 (2006.01) B29C 47/52 (2006.01) B29C 70/16 (2006.01) B29C 70/50 (2006.01) B32B 1/08 (2006.01) F16L 9/147 (2006.01) F16L 9/21 (2006.01) F16L 11/15 (2006.01) F16L 55/162 (2006.01)
Patent
CA 2250424
The invention relates to a method and an apparatus for preparing an extrudable product, and an extruded product. An extruder according to the invention comprises at least two annular feed gaps (4) between which there is a stator (3), and a rotatable rotor (1) is provided outside the outermost feed gap (4). Inside the stator (3) there is at least one rotatable rotor (2). The product to be extruded can thus be provided with radial orientation without a separate orientation unit. By supplying continuous fibres (20) for example through the stator (3) it is possible to prepare a very strong product that is radially oriented and that comprises axial continuous fibres (20) as reinforcement.
L'invention, qui porte sur un procédé ainsi que sur l'appareil correspondant permettant d'élaborer un produit pouvant être extrudé, concerne également un produit extrudé. L'extrudeuse selon l'invention comporte au moins deux espaces annulaires d'alimentation (4) entre lesquels se trouve un stator (3) tandis qu'un rotor rotatif (2) se trouve à l'extérieur de l'espace d'alimentation le plus excentré (4). A l'intérieur du stator (3), se trouve au moins un rotor rotatif (2). Il est, de la sorte, possible de donner une orientation radiale au produit à extruder sans recourir à un dispositif distinct d'orientation. En amenant notamment des fibres continues (20) dans le stator (3), il est possible de produire un produit très résistant, orienté radialement et comprenant des fibres continues axiales (20) comme renfort.
Jarvenkyla Jyri
Kirjavainen Kari
Cassan Maclean
Conenor Oy
Nextrom Holding S.a.
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