Patent ID: 7704734

Claim:
A device for raising or cultivating cells in a container-like receptacle ( 1 ), the device comprising: a cylindrical middle part of the device being closed off at a top by an upper lid ( 3 ) and a lower lid ( 12 ) which forms a base of the receptacle ( 1 ), wherein the upper lid ( 3 ) and the lower lid ( 12 ) are connected to the middle part in a pressure-tight manner and the upper lid ( 3 ) and the lower lid ( 12 ) are each provided with at least one inlet bore ( 8 ) for one of an introduction and a withdrawal of a culture medium and oxygen, the upper and the lower lids ( 3 , 12 ) and the middle part are connected to one another by mating internal and external threaded connections ( 2 , 4 ), and each threaded connection is provided with at least one sealing ring, and the upper lid ( 3 ) and the lower lid ( 12 ) each include an extension ring ( 14 ) having an extension ring region extending beyond the threaded connections ( 2 , 4 ) to at least partially enclose the cylindrical middle part and each extension ring region including at least one sealing ring located between the middle part and the extension ring region to additionally seal the middle part.