Fiber manufacturing spinner and fiberizer

Details Fiber manufacturing spinner and fiberizer Fiber manufacturing spinner and fiberizer

D - Textiles, Paper

01

D

D01D 5/18 (2006.01) C03B 37/04 (2006.01) C03B 37/075 (2006.01)

Patent

CA 2219919

A fiber-manufacturing apparatus (10) including a spinner (12), fixed to one end of a rotatable shaft (14), and equipment for supplying at least one molten thermoplastic material (78, 80) to the spinner is provided. The spinner includes a radial wall (16) and an outer peripheral wall (18). The radial wall extends radially out from the shaft and has an outer periphery (84). The peripheral wall is disposed around the outer periphery of the radial wall and has a plurality of orifices (20) for centrifuging fibers (22) from at least one molten thermoplastic material. The spinner is operatively adapted to be radially balanced during the centrifuging operation. By being so balanced, the spinner is less likely to exhibit temperature-induced deformation that introduces undesirable process variables during the fiber-manufacturing process.

Cette invention concerne un appareil servant à la production de fibres (10) qui comporte un panier centrifugeur (12) fixé à l'une des extrémités d'un arbre rotatif (14) et un équipement destiné à approvisionner celui-ci en au moins une substance thermoplastique fondue (78, 80). Le panier centrifugeur comporte une paroi radiale (16) et une paroi extérieure périphérique (18). Sur le pourtour (84) extérieur de la paroi radiale, qui se déploie radialement à partir de l'arbre, se trouve une paroi périphérique pourvue de plusieurs orifices (20) servant à la centrifugation de fibres (22) à partir d'au moins une substance thermoplastique fondue. Le panier centrifugeur, qui est conçu fonctionnellement pour s'équilibrer radialement durant les opérations de centrifugation est, de ce fait, moins enclin à présenter une déformation induite par la température, entraînant des changements indésirables au niveau du processus durant la fabrication de fibres.

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