Ferrule

Details Ferrule Ferrule

1994-11-29

1996-12-31

Rachuba, M.

Optical waveguides

With disengagable mechanical connector

Optical fiber/optical fiber cable termination structure

G02B 636

Patent

active

055902316

ABSTRACT:
There is disclosed a ferrule including a sheath holding portion (11) and a core wire holding portion (12) which have inner diameters slightly greater than the outer diameters of a sheath portion (a) and a core wire portion (b) of a plastic fiber (A), respectively. The sheath holding portion (11) is provided with a flange portion (11a) which contacts a coiled spring when mounted in a connector housing, and the core wire holding portion (12) includes a large-diameter portion (13) at a front end thereof for receiving a front end portion of the core wire portion (b) of the plastic fiber (A) softened by hot plate treatment. The large-diameter potion (13) has a tapered inner surface such that an inner diameter thereof increases toward the front end, and the angle of flare thereof is 30 degrees.

REFERENCES:
patent: 1911406 (1933-05-01), Tevander
patent: 3372476 (1968-05-01), Peiffer
patent: 4135781 (1979-01-01), Archer
patent: 4191447 (1980-03-01), Borsuk
patent: 4510005 (1985-04-01), Nijman
patent: 4695124 (1987-09-01), Himono et al.
patent: 5018821 (1991-05-01), Kurata
patent: 5071218 (1991-12-01), Nishimoto
patent: 5113476 (1992-05-01), Okada et al.
European Search Report EP 94 12 0014.

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