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1. 发明专利

AU639613B2 METHOD AND APPARATUS FOR APPLYING TWO-PACKAGE LIQUID COATING SYSTEM TO OPTICAL FIBER 未知
公开(公告)号：AU639613B2
公开(公告)日：1993-07-29
申请号：AU8599591
申请日：1991-10-21
申请人： CORNING INCORPORATED
发明人： RENGAN KANNABIRAN , MICHAEL BRUCE CAIN , ERIC HECTOR URRUTI
IPC分类号： B05B7/32 , C03C25/10 , C03C25/12 , C03C25/24 , G02B6/44
摘要： Liquid supply apparatus is disclosed for continuously supplying a two-package liquid polymer coating exhibiting rapid gelling and curing characteristics to an optical fiber coater for application to a glass optical fiber being drawn therethrough. The apparatus comprises: first and second metered liquid supply means (12, 14, 16 and 22, 24, 26) for continuously suppyling metered proportions of first and second liquid polymer components (A,B) of the liquid polymer coating, at least one of said metered liquid supply means comprising a feedback signal (50, 46 and 60, 56) input for receiving a control signal for controlling the rate of supply of liquid polymer component therefrom; a liquid mixer (32) connected to both the first and second metered liquid supply means for continuously combining and mixing together the first and second liquid polymer components supplied from the supply means, thus to provide a polymerizable coating liquid; a mixer output conduit (34) connecting the liquid mixer (32) to the optical fiber coater (40) for transporting the polymerizable coating liquid from the mixer (32) to the coater (40); sensing means (42) positioned at or downstream of at least one of the metered liquid supply means for generating a depletion signal in response to the depletion of polymerizable coating liquid from the coater; and signal transmission means connecting the sensing means (42) with the feedback signal input for transmitting the depletion signal from the sensor to the feedback signal input, said depletion signal operating to control the rate of supply of liquid polymer coating components from the metered liquid supply means to the liquid mixer.

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