Optical fiber tube for a decorative light

Details Optical fiber tube for a decorative light Optical fiber tube for a decorative light

1999-05-07

2001-02-27

Healy, Brian (Department: 2874)

Optical waveguides

Optical transmission cable

Tightly confined

C385S103000, C385S111000, C385S113000

Reexamination Certificate

active

06195490

ABSTRACT:

CROSS-REFERENCES TO RELATED APPLICATIONS
Not Applicable.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an optical fiber tube, and more particularly to an optical fiber tube for a decorative light.
2. Description of the Related Art
A first conventional optical fiber tube for a decorative light in accordance with the prior art shown in
FIG. 7
includes a core (
81
) and a cover (
80
) around the core (
81
). The core (
81
) and the cover (
80
) are both made of transparent materials with different refractive indexes. The refractive index of the core (
81
) is greater than that of the cover (
80
). When the incident angle of the light entering the core (
81
) is greater than a limiting angle, the light will be fully reflected and can then be propagated in the core (
81
).
A second conventional optical fiber tube for a decorative light in accordance with the prior art shown in
FIGS. 8 and 9
includes a core material (
90
) made of polyvinyl chloride (P.V.C.), multiple single strand optical fibers (
91
) around the core material (
90
) and having multiple optical fibers (
910
) twisted with each other, a transparent tubular protective film (
92
) mounted around the single strand optical fibers (
91
), and a transparent plastic cover (
93
) mounted around the protective film (
92
). However, the optical fiber tube cannot be bent due to the rigidity of the core material (
90
), thereby decreasing the versatility of the optical fiber tube.
The present invention has arisen to mitigate and/or obviate the disadvantage of the conventional optical fiber tube.
BRIEF SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, an optical fiber tube comprises a core material including multiple nylon strands twisted with each other in a helical manner, a plurality of single strand optical fibers mounted around the core material and twisted with the core material in a helical manner, a tubular protective film mounted around the plurality of single strand optical fibers, and a plastic sleeve mounted around the protective film.
Each of the nylon strands of the core material has a diameter between 0.5 and 1.5 millimeters.
Each of the single strand optical fibers includes multiple optical fibers twisted with each other in a helical manner. Each of the optical fibers has a diameter between 0.5 and 1.5 millimeters.
The optical fiber tube includes one strand of core material, and six strands of single strand optical fibers twisted with the core material in a helical manner.
Alternatively, the optical fiber tube includes one strand of core material, and nine strands of single strand optical fibers twisted with the core material in a helical manner.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriated reference to the accompanying drawings.


REFERENCES:
patent: 4143942 (1979-03-01), Anderson
patent: 4153332 (1979-05-01), Longoni
patent: 4722589 (1988-02-01), Priaroggia
patent: 4786137 (1988-11-01), Cornelison et al.
patent: 4966434 (1990-10-01), Yonechi et al.
patent: 5082348 (1992-01-01), Gartside, III et al.
patent: 5140664 (1992-08-01), Bosisio et al.
patent: 5468913 (1995-11-01), Seaman et al.
patent: 5542020 (1996-07-01), Horska
patent: 5751880 (1998-05-01), Gaillard
patent: 6041153 (2000-03-01), Yang
patent: 6066397 (2000-05-01), Risch et al.

Affiliated with

Also associated with

Rating

Optical fiber tube for a decorative light does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical fiber tube for a decorative light, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical fiber tube for a decorative light will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2577611