Fiber optic cable
US5930431A · kind A · utility
32Cited by
31References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Dec 31, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/44384
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fiber optic cable (10) includes a cable core (20) and a jacket section (30). Cable core (20) includes a central member (21), buffer tubes (23, 26), and optical fibers (22, 25) in respective buffer tubes. Jacket section (30) includes a tape layer (34) with a seam (35), and a seam guard (40) disposed over seam (35). Seam guard (40) is operative to perform dual functions, as the seam guard includes substrate (42) operative to prevent cable zippering, and a waterblocker (44) operative to inhibit the migration of moisture into cable core (20). FIGS. 1-3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.