Importance

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Abstract

A connecting device for conduits or hose lines comprising a connecting body which has a borehole for conducting a medium flowing through the conduit or hose line therethrough, and a pipe-like end piece which can be inserted into a receptacle that is formed at the front end of the connecting body and which can fixed in said receptacle by means of a union nut that is arranged rotatably between a loosened position and an assembly position on the outside of the connecting body, wherein a display rendering the assembly state of the connecting device is arranged between the mutually facing end faces of the union nut and connecting body, is characterized in that the display consists of two annular display bodys (13, 14) as carriers of at least one marking in each case, each display body being formed at the end faces of the connecting body (10) and union nut (12), whereby at the start of assembly of the union nut (12) the markings of the two displays bodys (13, 14) are located at different locations on the circumference of the connecting body (10) and union nut (12) and when the assembly of the connecting device is completed, they are moved into a mutually agreeing position by the relative rotation of the two display bodys (13, 14) relative to each other that takes place when the union nut (12) is screwed on.

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First Claim