Optical waveguides – Accessories
Patent
1997-10-14
2000-04-18
Ngo, Hung N.
Optical waveguides
Accessories
G02B 636
Patent
active
060525045
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a hood sleeve comprising a hood body and a sealing body with cable inlets and an annular seal device between the hood body and the sealing body, the sealing body having a retaining device for the mechanical connection of the hood body to the sealing body.
A hood sleeve of this type is known from the German Offenlegungsschrift 40 35 557. This document concerns a hood body which is terminated at its open end with a seal body. In this case, the sealing action is undertaken using a seal system in which the necessary seal pressure is carried out by means of a clamping ring which is attached on the outside and which clamps around the hood body in the region of the seal. This clamping ring contains a trapezoidal groove, in which the flange of the hood body and of the seal body is clamped around. As a result of joining the clamping ring together, the two parts press together on a seal ring. Here, the mutual fixing of the hood body and seal body is combined with the sealing system.
The European Patent Application 0 120 541 like-wise discloses a hood sleeve in which the hood body is pressed onto the basic body with the aid of a clamping ring, an annular seal being inserted between the hood body and the basic body. The clamping ring has engagement elements which engage into corresponding mating elements of the basic body. This closure is substantially designed following the principles of a bayonet closure and the necessary seal pressure is generated by rotating the clamping ring.
SUMMARY OF THE INVENTION
The present invention addresses the object of providing a hood sleeve whose closure is initially carried out without force and separate from the seal system, it being intended to be able to be used in particular in joining optical cables, so that the requirements in relation to the clamping of the optical cables and the guidance of bundles of optical fibers within the hood sleeve are to be taken into account.
The set objective is achieved, according to the invention, with a hood sleeve of the type mentioned at the beginning in that the sealing body comprises a pressure plate and a terminating plate, which are arranged one above the other, in that the terminating plate has functional elements for the retaining device between the hood body and the sealing body, in that the seal device comprises a seal groove which runs around the circumference and varies in width and a sealing ring made of an elastomer, in that the sealing groove is formed by circumferential and interengaging profiles in the pressure plate and the terminating plate, the pressure plate and the terminating plate being movable in relation to each other for the sealing action by at least one functional element in such a way that the width of the seal groove becomes smaller and the sealing ring can be pressed in a sealing manner by means of deformation against the inner wall of the hood body, in that the hood body has functional elements, corresponding to the terminating plate, for the retaining device, in that cable inlets are each provided with a compression seal and a clamping system for a cable sheath and a central element of an optical fiber cable, in that a cassette carrier for optical fiber cassettes is arranged projecting into the interior of the hood sleeve and has fastening elements on the sealing body, in that between the sealing body and the cassette carrier a free space for the division of bundles of optical fibers is provided, in that a plurality of supply chambers is arranged on the cassette carrier for the accommodation of excess lengths of the optical multifiber units.
In the case of the hood sleeve according to the invention, advantages can be seen in particular in the fact that the hood body, following the assembly of the inner built-in fittings, is initially joined together without force using a sealing body, so that the sealing device can be operated independently thereof, in that the inserted cables, in particular optical cables, can be clamped directly
REFERENCES:
patent: 4927227 (1990-05-01), Bensel, III et al.
patent: 5479554 (1995-12-01), Roberts
patent: 5774618 (1998-06-01), Jones
Frohlich Franz-Friedrich
Kluwe Wolf
Meltsch Hans-Jurgen
Winterhoff Hans
Zimmer Rainer
Ngo Hung N.
RXS Kabelgarnituren GmbH
LandOfFree
Hood sleeve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hood sleeve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hood sleeve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2343252