Patent ID: 7658982
Filing Date: 2010-02-09
Classification: B01D,B01L,B29C,Y10T

Abstract:
1. An apparatus for receiving samples, comprising a vessel having a wall defining an inner space for receiving a sample, a bottom having at least one aperture communicating with the inner space, and a step formed at the bottom, the wall of the vessel having a deformed area spaced from the step and formed as a mechanical and/or thermal deformation; and a membrane located in the vessel for closing the aperture, the membrane having an inner side facing the inner space of the vessel, an opposite outer side facing the bottom, and a circumferential side extended between the inner and outer sides, the membrane being retained between the step and the deformed area of the wall, with the step engaging the outer side of the membrane and the deformed area engaging the inner side of the membrane.