Patent ID: 8206648
Filing Date: 2012-06-26
Classification: B01L,G01N

Abstract:
1. A liquid container having a bottom and an upper opening with a circumferential boundary surface and comprising: a tube-shaped withdrawal chimney which extends into the container and is in flush with the upper opening, said withdrawal chimney has an upper end region, a lower end region and a casing wall and comprises a liquid permeable opening at the lower end region of the withdrawal chimney and near to the bottom of the container, an outer circumference at its upper end region radially closely adjacent and opposed to the circumferential boundary surface of the upper opening, and a venting groove in the upper end region of the withdrawal chimney, said venting groove being formed by a radially inwardly projecting recess of the casing wall and extending axially and downwards beyond the circumferential boundary surface of the container opening, wherein the withdrawal chimney is configured to communicate with its surrounding space within the container via the liquid permeable opening so as to provide for liquid exchange between the withdrawal chimney and its surrounding space within the container in order to equalize the liquid level within the container, when said container contains liquid.