| 摘要 |
In this coupling, which is assembled from a coupling bush (10) and a coupling plug (12), an opening element (24) which is displaced by the coupling plug (12) is provided inside the coupling bush. Provided on the opening element (24) is a sealing body (32) which, in the uncoupled state, comes to rest on the inner wall of the through hole in the coupling bush (10). The opening element (24) is guided precisely on a long path within the through hole of the coupling bush (10). This ensures that the sealing body (32) can rest centred on the inner wall of the coupling bush, as a result of which the sealing of the coupling bush in the uncoupled state is guaranteed. <IMAGE>
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