Friction fit paint cup connection

摘要

A cover-connector for covering and connecting a fluid supply container to a conduit is provided, wherein one of the container and the conduit has a male frustoconical connecting surface and the other one of the container and the conduit has a threaded connecting surface. The cover-connector comprises a conduit side with a conduit connecting region, a container side with a container connecting region, and a passageway between the connecting regions, wherein one of the connecting regions has a female frustoconical surface having an acute frustoconical angle complementary to the male frustoconical connecting surface for frictional connection therebetween, and wherein the other one of the connecting regions has a threaded portion complementary to the threaded connecting surface for threaded connecting therebetween.