Back to results
US 4,226,504 AGranted
Protection of optical fibers
AssigneeAkzona Incorporated
InventorRobert A. Bellino
Life of this patent
Estimating the term…
Abstract
There is provided a fiber optic cable wherein optical fibers are protected from breakage or damage utilizing a core having a fiber optic rod or rods intertwined with at least one thread made of nonfiber optic material. The core has an outer jacket over it which may be extruded in a conventional manner.
Claims8
A fiber optic communication system comprising:
- a core, said core including at least one glass fiber optic rod and at least one soft, cushiony shock absorbant thread;
- said rod providing a low loss optical communications channel independent of the remainder of said core;
- said at least one soft, cushiony shock absorbant thread being substantially spiralled about and being in contact with said fiber optic rod;
- the contact between said thread and said rod being nonperpendicular to the longitudinal axis of said rod;
- a jacket covering said core whereby said fiber optic rod is protected from mechanical stress by said soft, cushiony shock absorbant thread.
2 more elements
A fiber optic cable comprising:
- a core, said core including at least one highly frangible fiber optic rod, and a soft, cushiony shock absorbant thread;
- said rod providing a low loss optical channel independent of the remainder of said core;
- said thread wound about and being in contact with said fiber optic rod in substantially a spiralled fashion;
- the contact between said thread and said rod being nonperpendicular to the longitudinal axis of said rod;
- an outer jacket enclosing said core, whereby said fiber optic rod is protected from mechanical stress by said soft, cushiony shock absorbant thread.
2 more elements
Dependencies are inferred from the claim text.