Patent US4976508A successfully refreshed from Google Patents.
US4976508A
Expired / Lapsed
US
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Tape core type coated optical fiber
Assignee: Sumitomo Electric Industries Ltd
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Filing: 1989-08-15
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Granted: 1990-12-11
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Expires: 2009-08-15
Abstract
Abstract A tape core type coated optical fiber containing therein a plurality of single optical fibers, which comprises a housing for housing the tape core type coating optical fiber, the tape core type coated optical fiber branches into a plurality of single fibers inside the housing, the housing comprises a plurality of branches through which each of the single fiber passes.
Inventors
- 👤 Toshihiko Okura
- 👤 Kouji Hirao
- 👤 Tetsuaki Watanabe
- 👤 Kouji Kashihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:49
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4439; G02B6/24; G02B6/36; G02B6/38; G02B6/3807; G02B6/3873; G02B6/3874; G02B6/3878; G02B6/4471; G02B6/44715; G02B6/4472; G02B6/3887; G02B6/3889
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
83 words
A tape core type coated optical fiber arrangement including a plurality of single optical fibers, comprising: a housing; a tape core type coated optical fiber member comprising a plurality of single optical fibers, the plurality of single fibers branching out from said tape core type coated optical fiber member inside said housing, said housing comprising a plurality of single fiber passages through which said single fibers pass such that each single fiber is encased by a single fiber passage only after branching out.
Claim 2
Dependent Claim
83 words
A tape core type coated optical fiber arrangement including a plurality of single optical fibers, comprising: a housing; a tape core type coated optical fiber member comprising a plurality of single optical fibers, the plurality of single fibers branching out from said tape core type coated optical fiber member inside said housing, said housing comprising a plurality of single fiber passages through which said single fibers pass such that each single fiber is encased by a single fiber passage only after branching out.
Claim 3
Dependent Claim
29 words
The tape core type coated optical fiber arrangement of claim 1, wherein said tape core type coated optical fiber arrangement is fixed to said housing at one end thereof.
Claim 4
Dependent Claim
41 words
The tape core type coated optical fiber arrangement of claim 1, wherein said housing comprises a pipe means in which the tape core type coated optical fiber arrangement freely passes, and said pipe means extends from an end of said housing.
Claim 5
Dependent Claim
29 words
The tape core type coated optical fiber arrangement of claim 1, wherein said housing comprises a ported box and a plurality of tubes in which said single fibers pass.
Claim 6
Dependent Claim
20 words
The tape core type coated optical fiber arrangement of claim 4, wherein said ported box is provided with a cover.
Claim 7
Dependent Claim
20 words
The tape core type coated optical fiber arrangement of claim 3, wherein said pipe means contains therein a reinforcing means.
Claim 8
Dependent Claim
25 words
The tape core type coated optical fiber arrangement of claim 1, wherein each passage is provided with an outer cover containing therein a reinforcing means.
Claim 9
Dependent Claim
29 words
The tape core type coated optical fiber arrangement of claim 1, wherein the tape core type coated optical fiber arrangement and said housing is accommodated by a second housing.
Claim 10
Dependent Claim
20 words
The tape core type coated optical fiber arrangement of claim 8, wherein said second housing is filled with a resin.
Claim 11
Dependent Claim
20 words
The tape core type coated optical fiber arrangement of claim 8, wherein said second housing is provided with a cover.
Claim 12
Dependent Claim
24 words
The tape core type coated optical fiber arrangement of claim 8, wherein said second housing is of a one sided opening lunch box type.
Claim 13
Dependent Claim
22 words
The tape core type coated optical fiber arrangement of claim 1, wherein said single optical fibers are connected to optical fiber connectors.
Claim 14
Dependent Claim
17 words
The tape core type coated optical fiber arrangement of claim 1, wherein said housing comprises four passages.
Claim 15
Dependent Claim
22 words
The tape core type coated optical fiber arrangement of claim 13, wherein said four branches of said housing form in a line.
Claim 16
Dependent Claim
25 words
The tape core type coated optical fiber arrangement of claim 13, wherein said four branches of said housing form in two lines and two columns.
Claim 17
Dependent Claim
18 words
The tape core type coated optical fiber arrangement of claim 1, wherein said housing comprises a multi-passage pipe.
Claim 18
Dependent Claim
36 words
The tape core type coated optical fiber arrangement of claim 7, wherein said pipe means contains therein a reinforcing means, and said pipe means, said passage and said outer cover are covered with a heat-shrinkable means.
Claim 19
Dependent Claim
24 words
The tape core type coated optical fiber arrangement of claim 17, wherein an inner periphery of said heat-shrinkable means is applied with an adhesive.
Claim 20
Dependent Claim
19 words
The tape core type coated optical fiber arrangement of claim 18, wherein said adhesive is of a heat-melting type.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-12-10 | 1994-06-11 | 1994-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-12-10 | 1998-06-11 | 1998-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-12-10 | 2002-06-11 | 2002-12-11 | $7700.00 | Window Closed / Lapsed |