Patent US4863234A successfully refreshed from Google Patents.
US4863234A
Expired / Lapsed
US
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Protective sheath for optical waveguide splice
Assignee: US Philips Corp
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Filing: 1988-08-26
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Granted: 1989-09-05
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Expires: 2008-08-26
Abstract
Abstract Protective sheath for fusion or adhesive optical waveguide splice. The protective sheath comprises a fusion bonding sleeve surrounding the splice and a shrinkable sleeve surrounding the fusion bonding sleeve. An oblong support is arranged between the fusion bonding sleeve and the shrinkable sleeve to protect the splice. The support has an open channel in which the splice is arranged.
Inventors
- 👤 Jurgen Gladenbeck
- 👤 Gunter Frohlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:46
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/255; G02B6/2558
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
68 words
A protective sheath for a fusion or adhesive optical waveguide splice, said protective sheath comprising: a fushion bonding sleeve surrounding the splice; an oblong support having an open channel therein, said channel accommodating the entire splice and at least part of the fusion bonding sleeve; and a heat shrunk sleeve surrounding the support and pressing the fusion bonding sleeve and splice into the open channel in the support.
Claim 2
Dependent Claim
68 words
A protective sheath for a fusion or adhesive optical waveguide splice, said protective sheath comprising: a fushion bonding sleeve surrounding the splice; an oblong support having an open channel therein, said channel accommodating the entire splice and at least part of the fusion bonding sleeve; and a heat shrunk sleeve surrounding the support and pressing the fusion bonding sleeve and splice into the open channel in the support.
Claim 3
Dependent Claim
17 words
A protective sheath as claimed in claim 1, characterized in that the support has a U-shaped cross-section.
Claim 4
Dependent Claim
17 words
A protective sheath as claimed in claim 1, characterized in that the support has a semicircular cross-section.
Claim 5
Dependent Claim
17 words
A protective sheath as claimed in claim 1, characterized in that the support is made of metal.
Claim 6
Dependent Claim
17 words
A protective sheath as claimed in claim 1, characterized in that the support is made of glass.
Claim 7
Dependent Claim
18 words
A protective sheath as claimed in claim 1, characterized in that the support is made of a ceramic.
Claim 8
Dependent Claim
21 words
A protective sheath as claimed in claim 1, characterized in that the support and the fusion bonding sleeve have equal lengths.
Claim 9
Dependent Claim
30 words
A protective sheath as claimed in claim 7, characterized in that the heat shrunk sleeve has a length greater than the lengths of the support and the fusion bonding sleeve.
Claim 10
Dependent Claim
33 words
A protective sheath as claimed in claim 1, characterized in that the support and the fusion bonding sleeve have cross-sectional dimensions chosen such that they are clamped together by the heat shrunk sleeve.
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) | 1992-09-04 | 1993-03-06 | 1993-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-09-04 | 1997-03-06 | 1997-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-09-04 | 2001-03-06 | 2001-09-05 | $7700.00 | Window Closed / Lapsed |