Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Furukawa Electric Co LtdfiledCriticalFurukawa Electric Co Ltd
Publication of MY108099ApublicationCriticalpatent/MY108099A/en
AN APPARATUS FOR FORMING A POROUS PREFORM USED TO FABRICATE OPTICAL FIBER BY EXTRUDING A PLASTIFIABLE MATERIAL CONTAINING SILICA POWDER AS ITS MAIN COMPONENT, THE APPARATUS INCLUDING AN EXTRUDING MAIN BODY (22) HAVING A CYLINDER (20) AND A SCREW (21) FOR EXTRUDING THE PLASTIFIABLE MATERIAL FROM THE CYLINDER (20), A MATERIAL PASSAGE MEMBER CONNECTED TO THE CYLINDER (20), SO AS TO COMMUNICATE THEREWITH AND HAVING A ROTATION STOPPING MEMBER (25), AND MOLDING HEAD (30) CONNECTED TO THE MATERIAL PASSAGE MEMBER SO AS TO COMMUNICATE THEREWITH. (FIG. 2)
MYPI92001540A1991-08-291992-08-26Apparatus for forming porous preform used to fabricate optical fiber.
MY108099A
(en)