Techniques for stripping optical fiber encapsulants

Details Techniques for stripping optical fiber encapsulants Techniques for stripping optical fiber encapsulants

1994-07-05

1996-01-02

Lee, John D.

Optical waveguides

Accessories

30 901, 302792, 81 94, 385147, H02G 112

Patent

active

054816386

ABSTRACT:
A first portion of an optical fiber encapsulant is selectively removed by softening it; i.e., converting the first portion from a solid state to a partly fluid state, as by exposure to an appropriate chemical. The first portion (12) is then penetrated with at least first and second knife edges (14, 15), the penetration being on opposite sides of the optical fiber (10). The first portion of the encapsulant is removed from the optical fiber by providing relative movement between the knife edges and the optical fiber, the movement being in the direction of the central axis of the fiber, thereby to gather at least part of the first portion of the encapsulant on the knife edges. In a preferred embodiment, third and fourth knife edges (16, 17) the also included on opposite sides of the optical fiber. The optical fiber (10) may be part of an optical fiber ribbon (11), and the first portion of the encapsulant is moved by moving the first and second knife edges (14, 15), and the third and fourth knife edges (16, 17) toward each other. All four of the knife edges are preferably contained within a cavity (38) which is connected to a fluid line (42, 43) so that fluid can flush the encapsulant that has been gathered on the knife edges.

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patent: 5377564 (1995-01-01), Erlich

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