Drip Free Opening comprises a sidewall, a base and a spout. The sidewallsurrounds the base and the spout. The base slopes down from the sidewall tothe spout and supports them. There is a draining hole in the lowest positionof the base, or there is draining chink through the spout at the lowestposition of the base. Accumulation of liquid staying inside of the sidewallcan flow to the lowest position of the base and pass through the draininghole or draining chink to drop back into container. At the end of pouring, therim of the spout cuts the flow, and a small amount of liquid leaks from thespout and flow down into the space between the sidewall and the spout, then,drops back into container through draining hole or draining chink. Afterpouring, no liquid leaks over the sidewall down outside surface of thecontainer.
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