Closed kneading machine and kneading rotor

B - Operations – Transporting – 29 – B

Patent

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Details

B29B 7/20 (2006.01) B01F 7/08 (2006.01) B29B 7/22 (2006.01)

Patent

CA 2758427

A kneading rotor, in which the length L4 of a long blade in the direction of rotation of a rotor section is greater than one half of the total length L5 of a rotor section main body in the direction of rotation, and the long blades are arranged in such a manner that, in a case where a pair of the rotor sections are arranged mutually in parallel inside the chamber of the closed kneading machine and are rotated in mutually opposite directions, an end section on the rearward side in the direction of rotation of the rotor section, of the long blade of one of the rotor sections, and an end section on the forward side in the direction of rotation of the rotor section, of the long blade of the other one of the rotor sections, alternately repeat mutually an approaching action and a separating action, and in the state of approach, the end section on the forward side and the end section on the rearward side oppose each other in the direction of rotation of the rotor sections on a line which links the respective central axes of the pair of rotor sections, in one cross-section perpendicular to the axial direction of the rotor section.

L'invention porte sur un rotor de malaxage. La longueur (L4) d'une pale longue dans la direction de rotation de chaque rotor est supérieure à la moitié de la longueur totale (L5) du corps de rotor dans le sens de rotation, les pales longues étant agencées de telle sorte que, lorsque la paire de rotors sont agencés parallèlement l'un à l'autre à l'intérieur de la chambre d'un malaxeur fermé et en rotation dans des sens opposés, l'extrémité de la pale longue de l'un des rotors, sur son côté arrière dans son sens de rotation, et l'extrémité de la pale longue de l'autre rotor, sur son côté avant dans son sens de rotation, se rapprochent et se séparent l'une de l'autre de façon répétée d'une façon alternée et, dans un état dans lequel les extrémités sont proches l'une de l'autre, dans une section transversale des rotors qui est perpendiculaire à leur direction axiale, l'extrémité sur le côté arrière et l'extrémité sur le côté avant se font mutuellement face dans le sens de rotation des rotors, sur la ligne reliant les axes de la paire de rotors.

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