C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 37/04 (2006.01) C03B 37/075 (2006.01)
Patent
CA 2188657
Apparatus for making dual-component fibers is provided and includes a spinner having a peripheral wall. The spinner includes orifices located on the peripheral wall thereof for centrifuging the dual-component fibers, with the spinner being divided into a series of generally vertically aligned compartments by baffles positioned circumferentially around the interior of the peripheral wall. First and second molten thermoplastic materials are supplied to the spinner and directed into alternate ones of the compartments so that adjacent compartments contain different thermoplastic materials. Passages are located in each of the compartments through which the respective molten thermoplastic materials flow to the orifices on the peripheral wall of the spinner. The passages in adjacent ones of the compartments communicate with one another and with the orifices to joint the first and second molten thermoplastic materials together into dual-component fibers.
Un appareil de production de fibres à deux composants comprend un panier centrifugeur pourvu d'une paroi périphérique. Ce panier centrifugeur comporte des orifices situés sur sa paroi périphérique afin de centrifuger les fibres à deux composants, et est divisé en une série de compartiments, alignés sensiblement verticalement, par des cloisons positionnées sur la circonférence, à l'intérieur de la paroi périphérique. Des première et seconde matières thermopastiques fondues sont chargées dans le panier centrifugeur et introduites, de manière alternée, dans les compartiments de sorte que les compartiments adjacents contiennent des matières thermoplastiques différentes. Des passages sont ménagés dans chacun des compartiments par lesquels les matières thermoplastiques fondues respectives s'écoulent vers les orifices de la paroi périphérique du panier centrifugeur. Les passages des compartiments adjacents communiquent entre eux et avec les orifices pour réunir les première et seconde matières thermoplastiques fondues afin d'obtenir des fibres à deux composants.
Gavin Patrick M.
Hinze Jay W.
Houpt Ronald A.
Lawson Richard D.
Lin David C. K.
Owens Corning
Smart & Biggar
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