Optical waveguides – With disengagable mechanical connector – Structure surrounding optical fiber-to-fiber connection
Reexamination Certificate
1999-05-25
2001-06-12
Ngo, Hung N. (Department: 2874)
Optical waveguides
With disengagable mechanical connector
Structure surrounding optical fiber-to-fiber connection
C385S069000, C385S087000, C385S062000
Reexamination Certificate
active
06244752
ABSTRACT:
The present invention relates to a single-piece optical fibre coupling for the non-detachable, tight connection of fibre-optic cables.
Such couplings are used to lengthen permanently laid fibre-optic cables or, if such cables have been damaged, are used to repair fibre-optic cable lines in a cable harness.
An optical fibre plug is already known, in which one cable end is “stripped”, that is to say the sheath is removed and the plug is pushed over the optical fibres and over the front end of the cable sheath. The plug is then crimped to the cable sheath, in order to connect it to the cable so that it cannot tear off. The plug is plugged, by way of one plug-in end, into a corresponding sleeve, and to this extent does not solve problems which can occur in the region of the end of the fibre.
The present invention is based on the object of presenting an optical fibre coupling which connects two optical fibre ends to each other in a non-detachable manner and so that they are tightly sealed with respect to dust as well as liquid and gaseous media.
This object is achieved in accordance with the claims.
Preferred embodiments of the present invention are characterized in the subclaims.
The basic idea of the present invention is to plug the cable ends to be connected into holders of a coupling which abut coaxially at their ends, the holder centring the cable ends and thus aligning them optimally with respect to each other, the cable ends being prevented from tearing off by crimping the coupling to the cable sheaths.
REFERENCES:
patent: 5115484 (1992-05-01), Johnson
patent: 5832158 (1998-11-01), Chen
Besler Martin
May Guntram
Meyer Jurgen
Framatome Connectors International
Ngo Hung N.
Perman & Green LLP
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