Importance

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Abstract

A tubular socket for connecting a fluid conduit to a thermoplastic container has first and second thermoplastic parts connected to one another by a multi-component injection molding process. The first part has a smaller creep tendency under pressure load and a smaller swellability relative to hydrocarbon-containing fluids than the second part. The second part is fusion-welded to the container. The second part contains a reinforcement filler that is selected such that the creep tendency and swellability of the second part are approximately the same as that of the first part. A connection strength between the second part and the container is at least as high as that between first and second parts. A thermal shape stability of the second part is at least the same as the thermal shape stability of the container and at most approximately the same as the thermal shape stability of the first part.

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First Claim