| 摘要 |
<p>A coupling device for connecting a material outlet to a packing, preferably with walls of plastic foil for viscous material, which has two interconnectable coupling means, one of which is mounted on the packing and the other on the material outlet. In order to provide by simple means a device which permits application of a material outlet to the packing in a quick and efficient manner without remedies and skill, the coupling means of the packing is mounted on an unbroken wall portion of the packing and provided with a separating portion disposed inside the packing. The separating portion comprises a grip portion for the coupling means of the material outlet, side opening for through-flow of material and a support portion directed towards an opposed wall portion of the packing. The coupling means of the material outlet is provided with a holepunching portion for punching the unbroken wall portion and a grip portion which is designed to securably fit into the grip portion of the separating portion after punching.</p> |
