Means and method for scoring and severing an optical fiber

Details Means and method for scoring and severing an optical fiber Means and method for scoring and severing an optical fiber

1987-01-09

1988-03-15

Kazenske, E. R.

Severing by tearing or breaking

Breaking or tearing apparatus

Combined with preliminary weakener or with nonbreaking cutter

225101, B26F 300

Patent

active

047307633

ABSTRACT:
An optical fiber is scored for severing by placing the fiber on a pad in contact with a surface of the pad and engaging the fiber with a scoring body having a rounded obtuse scoring surface in such manner as to urge said scoring surface into scoring contact with fiber and score the fiber without rotation of the fiber about its longitudinal axis relative to the scoring surface, whereby the scoring contact creates a local flaw in the fiber at which the fiber may be parted by stressing the fiber in tension. The scoring surface of the body is rounded to a curvature such that parting of the fiber at the flaw by stressing of the fiber in tension produces mirror smooth fiber end surfaces at the part. The scoring body may be a blade having a blunt edge providing the obtuse scoring surface or a filament such as an optical fiber positioned across the fiber between the pad and a second pad that are moved together to grip the fiber and simultaneously urge the filament into scoring contact with the fiber.

REFERENCES:
patent: 3934773 (1976-01-01), Chinnock et al.
patent: 4118862 (1978-10-01), Hensel
patent: 4202475 (1980-05-01), Hirai et al.
patent: 4216004 (1980-08-01), Brehm et al.
patent: 4229876 (1980-10-01), Doty
patent: 4413763 (1983-11-01), Lukas
patent: 4418855 (1983-12-01), Lamarche et al.
patent: 4621754 (1986-11-01), Long et al.
"Optical Fiber End Preparation for Low-Loss Splices", D. Gloge, P. W. Smith, D. L. Bisbee, and E. L. Chinnock; The Bell System Technical Journal, vol. 52, No. 9, Nov. 1973.

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