CONTINUOUS CARBONIZATION PROCESS AND SYSTEM FOR PRODUCING CARBON FIBERS

A continuous carbonization method for the carbonization of a continuous, oxidized polyacrylonitrile (PAN) precursor fiber, wherein the precursor fiber exiting the carbonization system is a carbonized fiber which has been exposed to an atmosphere comprising 5% or less, preferably 0.1% or less, more p...

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Bibliographische Detailangaben
Hauptverfasser:	MEECE BARRY DEWAYNE, DESHPANDE GIRISH VISHNUKANT, FENNELL ROBERT PHIL
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE HAND OR TRAVELLING ARTICLES HOUSEHOLD OR TABLE EQUIPMENT HUMAN NECESSITIES LADIES' OR LIKE FANS NATURAL OR ARTIFICIAL THREADS OR FIBRES PAYING COUNTERS SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS,STOREHOUSES, BARS, RESTAURANTS OR THE LIKE SPICE MILLS SPINNING SUCTION CLEANERS IN GENERAL TEXTILES UMBRELLAS WALKING STICKS
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Beschreibung
Zusammenfassung:	A continuous carbonization method for the carbonization of a continuous, oxidized polyacrylonitrile (PAN) precursor fiber, wherein the precursor fiber exiting the carbonization system is a carbonized fiber which has been exposed to an atmosphere comprising 5% or less, preferably 0.1% or less, more preferably 0%, by volume of oxygen during its passage from a high temperature furnace to the next high temperature furnace. In one embodiment, the carbonization system includes a pre-carbonization furnace, a carbonization furnace, a substantially air-tight chamber between the furnaces, and a drive stand carrying a plurality of drive rollers that are enclosed by the air-tight chamber.