Patent ID: RE41743

Claim:
A watertight inlet device for inserting a cable containing optical fibers into a chamber or into a container via an inlet passageway provided for this purpose: said device being fitted to the cable and secured to the strength members thereof before the cable is inserted into the chamber or container, the outer sheath of the cable further being secured directly on the watertight inlet device, the watertight inlet device then being received by being threaded into the chamber or container, and being locked therein by keying , said device comprising: at the front: a rigid securing solepiece provided with orifices or slots into which central strength members and/or side strength members of the cable are inserted, each of these orifices or slots co- operating with a clamping member acting by a screw being rotated to clamp the strength member ( s ) that it receives; at the rear: a nut for - clamping a stuffing box, which nut receives a retaining member for retaining the outer sheath of the optical cable; and between the front and the rear: a sealing tubular body whose front portion engages telescopically into said securing solepiece, means for fixing the sealing body to the securing solepiece when said front portion is engaged telescopically into said securing solepiece, the rear portion of the tubular body and sealing ring form the sealing stuffing box, the stuffing box achieving the sealing by clamping on the outer sheath of the cable; the sealing body also receiving means for providing the sealing relative to the inlet passageway in the chamber or container, and further including an abutment member which is designed to limit the insertion of the device through said inlet passageway, the abutment position then being such that the head of the device emerges inside the chamber or container, keying means for locking the device in this position .