Apparatus and method for controlling the coating thickness of an

Details Apparatus and method for controlling the coating thickness of an Apparatus and method for controlling the coating thickness of an

1998-06-22

2000-01-04

Bareford, Katherine A.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

4271632, 118712, 118 67, 118 68, 118 69, 118405, 65382, B05D 506, C03B 3707, B05C 1100

Patent

active

060107413

ABSTRACT:
An apparatus is proposed for controlling the coating thickness of an optical fiber (2) passing sequentially, in that order, from a unit (1) for fabricating the fiber (2) through a cooling unit (3), a coating unit (4) and along a device (5) which determines the diameter of the fiber. The apparatus includes a control element (14) for controlling a control device (15, 16) as a function of the measured diameter in such a way that the thickness of the coating corresponds to a target value, wherein the control device (15, 16) is placed before the coating unit (4) when viewed in the transport direction of the fiber (2), and the control device (15,16) adjusts the temperature of the fiber (2). Also described is a method for controlling the coating thickness.

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