Hand-held tool for optical fiber waveguide end preparation

Details Hand-held tool for optical fiber waveguide end preparation Hand-held tool for optical fiber waveguide end preparation

1978-02-16

1979-07-03

Meister, J. M.

Severing by tearing or breaking

Breaking or tearing apparatus

Combined with preliminary weakener or with nonbreaking cutter

225101, 225105, B26F 300

Patent

active

041597931

ABSTRACT:
A tool for preparing the ends of optical fiber waveguides prior to such operations as coupling and splicing. The tool is adapted for single-handed operation and comprises a pair of manually actuated handles, first and second fiber supporting surfaces, and a third fiber supporting surface between the first and second surfaces. The optical fiber waveguide is secured to the first and second surfaces by a pair of clamping members which are responsive to the squeezing of the handles. Once the fiber waveguide is secured to the surfaces, further squeezing of the handles produces separating rotation of a pair of jaw members to put the fiber under tensile stress. A cutting blade suspended above the third surface is released to produce a peripheral microcrack on a portion of the optical fiber waveguide lying on the third fiber supporting surface. The induced stress and curved support of the fiber waveguide act in combination to propagate the microcrack diametrically through the fiber so that an appropriate fiber end is obtained. Various modifications and refinements of the tool provide for greater control and semi-automatic operation in preparing fiber ends.

REFERENCES:
patent: 3934773 (1976-01-01), Chinnock
patent: 4017013 (1977-04-01), Hawk
patent: 4036419 (1977-07-01), Hensel
patent: 4074840 (1978-02-01), Belmonte et al.
Murata, H. et al.; Procedures of the Fiber Communications Conference; London; Sep. 1975; p. 93.
Itensel, P., Simplified Optical-Fibre Breaking Machine; In Electronics Letters; Nov. 27, 1975; p. 581.
Khoe, G. D. et al.; Cutting Optical Fibres with a Hot Wire; In Electronics Letters; Mar. 3, 1975; p. 147.
Hensel, P.; Spark-Induced Fracture of Optical Fibres; In Electronics Letters; Sep. 29, 1977; p. 603.

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