Cutting method and apparatus for removing a secondary coating layer from a jacketed optical fiber
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United States of America Patent
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Oct 25, 1994
Grant Date -
N/A
app pub date -
Aug 17, 1993
filing date -
Aug 21, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A jacket layer of a jacketed optical fiber is cut by a cutting method and apparatus in which (A) a terminal portion of a jacketed optical fiber is straightened and grasped by a fiber holder, and (B) a blade device having (a) a pair of cutting blades and (b) a blade holder in which device cutting edges of the blades are arranged in such a manner that the edges are opposite to each other through a gap left therebetween and are on one and the same plane, the straightened portion of the jacketed optical fiber extends at a substantially right angle to the plane, and a center line of the gap between the cutting edges intersects an axis of the straightened portion of the jacketed optical fiber, and is moved in at least one direction at a substantially right angle to the axis of the straightened portion of the jacketed optical fiber to cut the secondary coating layer at a depth equal to or larger than the thickness of the secondary coating layer but smaller than the total thickness of the primary and secondary coating layers.
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