US3902880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a fiber optic illuminating halo
Assignee: American Optical Corp
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Filing: 1974-01-16
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Granted: 1975-09-02
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Expires: 1994-01-16
Abstract
Abstract An illuminating halo for use in conjunction with an imagetransporting fiber optic bundle. The halo is formed of a multiplicity of light-conducting fibers each having a leachable outer cladding. The fibers are juxtapositioned circumferentially about the outer side of a supporting tube and the resulting assembly is heated and drawn to the diametral size desired of the halo. The fibers are then leached free of the tube over all but one end thereof which is cut or broken away to remain as a bushing for the halo.
Inventors
- 👤 Richard R Strack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/66; C03C25/68; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025; C03B37/028; C03B37/10; C03B37/14; C03B37/15; G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; Y; Y10; Y10S; Y10S385/00; Y10S385/901
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
168 words
THE METHOD OF MAKING A FIBER OPTIC ILLUMINATING HALO OF A GIVEN OUTER DIAMETRAL SIZE COMPRISING: ASSEMBLING A PLURALITY OF RELATIVELY LARGE DIAMETER OPTICAL FIBERS IN SIDE-BY-SIDE RELATIONSHIP CIRCUMFERENTIALLY ABOUT THE OUTER SIDE OF A HOLLOW SUPPORTING TUBE OF LARGER OUTER DIAMETRAL SIZE AND THICKNESS THAN THAT DESIRED OF SAID HALO, SAID FIBERS BEING EXTENDED LONGITUDINALLY OF SAID TUBE AND EACH HAVING AN OUTER CLADDING OR LEACHABLE MATERIAL, SAID CLADDING MATERIAL BEING HEAT SOFTENABLE AND FUSIBLE TO SAID TUBE, HEATING, FUSING AND DRAWING THE ASSEMBLY OF SAID TUBE AND FIBERS LONGITUDINALLY TO GIVEN OUTER DIAMETRAL SIZE DESIRED OF SAID HALO, LEACHING SAID CLADDING MATERIAL AWAY FROM SAID FIBERS AND TUBE THROUGHOUT ALL BUT ONE END OF SAID FUSED DRAWN ASSEMBLY TO FREE SAID FIBERS FROM A CORRESPONDING PORTION OF SAID TUBE AND FROM EACH OTHER, AND REMOVING SAID PORTION OF SAID TUBE UNDER THE CORRESPONDING PORTION FROM THE LEACHED ASSEMBLY AND DISCARDING SAME WHEREBY ITS REMAINING PORTION WITH CORRESPONDING ENDS OF FIBERS FUSED THERETO COMPRISES SAID ILLUMINATING HALO.
Claim 2
Independent Claim
168 words
THE METHOD OF MAKING A FIBER OPTIC ILLUMINATING HALO OF A GIVEN OUTER DIAMETRAL SIZE COMPRISING: ASSEMBLING A PLURALITY OF RELATIVELY LARGE DIAMETER OPTICAL FIBERS IN SIDE-BY-SIDE RELATIONSHIP CIRCUMFERENTIALLY ABOUT THE OUTER SIDE OF A HOLLOW SUPPORTING TUBE OF LARGER OUTER DIAMETRAL SIZE AND THICKNESS THAN THAT DESIRED OF SAID HALO, SAID FIBERS BEING EXTENDED LONGITUDINALLY OF SAID TUBE AND EACH HAVING AN OUTER CLADDING OR LEACHABLE MATERIAL, SAID CLADDING MATERIAL BEING HEAT SOFTENABLE AND FUSIBLE TO SAID TUBE, HEATING, FUSING AND DRAWING THE ASSEMBLY OF SAID TUBE AND FIBERS LONGITUDINALLY TO GIVEN OUTER DIAMETRAL SIZE DESIRED OF SAID HALO, LEACHING SAID CLADDING MATERIAL AWAY FROM SAID FIBERS AND TUBE THROUGHOUT ALL BUT ONE END OF SAID FUSED DRAWN ASSEMBLY TO FREE SAID FIBERS FROM A CORRESPONDING PORTION OF SAID TUBE AND FROM EACH OTHER, AND REMOVING SAID PORTION OF SAID TUBE UNDER THE CORRESPONDING PORTION FROM THE LEACHED ASSEMBLY AND DISCARDING SAME WHEREBY ITS REMAINING PORTION WITH CORRESPONDING ENDS OF FIBERS FUSED THERETO COMPRISES SAID ILLUMINATING HALO.
Claim 3
Dependent Claim
36 words
The method according to claim 1 wherein said step of leaching is performed by covering one end of said drawn assembly with a material resistant to leaching and immersing the drawn assembly in a leaching medium.
Claim 4
Dependent Claim
30 words
The method according to claim 1 wherein said step of leaching is performed by immersing substantially all but said one end of said fused drawn assembly in a leaching medium.
Claim 5
Dependent Claim
38 words
The method according to claim 1 wherein said step of removing and discarding said portion of said tube from said leached assembly is performed by cutting through said tube adjacent said fused one end of said leached assembly.
Claim 6
Dependent Claim
38 words
The method according to claim 1 wherein said step of removing and discarding said portion of said tube from said leached assembly is performed by breaking said tube away from said fused one end of said leached assembly.
Claim 7
Dependent Claim
36 words
The method according to claim 1 wherein said tube iS formed of a leachable material and said step of removing and discarding said portion of said tube is performed by exposing same to a leaching medium.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |