Method of tapering end of capillary tube bore for optic fiber co

Details Method of tapering end of capillary tube bore for optic fiber co Method of tapering end of capillary tube bore for optic fiber co

1988-12-27

1990-06-05

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

51319, 51326, 65 42, 156158, 156296, 350 9621, G02B 638, B65H 6902

Patent

active

049311204

ABSTRACT:
A device for connecting optical fibers is formed by inserting one or more fibers into at least one end of a capillary tube. The bore is tapered to facilitate fiber insertion. To taper the end of a bore, the tube is rotated about its longitudinal axis while a first narrow stream of abrasive particles is directed onto the tube end. The axis of the first stream is located off the axis of the tube bore, thereby forming a taper that is spherical rather than conical. A second stream, the axis of which is coaxial with the bore, is then directed onto the tube end to remove that portion of the tapered aperture adjacent the bore, thereby forming a more funnel-shaped aperture.

REFERENCES:
patent: 3801293 (1974-04-01), Kiser
patent: 3810802 (1974-05-01), Buhite et al.
patent: 3944328 (1976-03-01), Kent
patent: 4369605 (1983-01-01), Opersteny et al.
patent: 4763970 (1988-08-01), Berkey
patent: 4767430 (1988-08-01), Deneka et al.
patent: 4807959 (1989-02-01), Berkey
patent: 4822389 (1989-04-01), Berkey
Ingulli, Charles N., "Abrasive Jet Machining", The Tool and Manufacturing Engineer, Nov. 1967, pp. 28-33.

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