Patent ID: 10519054

Abstract:
The invention relates to a carrier insert for accommodating and maintaining the biofilm culture of fluid cleaning structures, which contains a spatial web made of staple fibres using the hosiery method.The characteristic feature of the invention is that the web (10) has internal textile units (11, 12, 13, 14, 15, 16) joining each other in intermediate complete nodal points (20, 21, 22, 23) and situated between the complete nodal points (20, 21, 22, 23), and external textile (17, 18) units situated along the edges (10a) of the web (10), where in the case of at least a part of the complete nodal points (20, 21, 22, 23) there is an even number of internal textile units (11, 12, 13, 14, 15, 16) guided into the given complete nodal point (20, 21, 22, 23), the internal sides (17a, 18a) of the external textile units (17, 18) situated along the edges (10a) of the web (10) are connected to a complete nodal point (20, 21, 22, 23) each, and the external sides (17b, 18b) of the external textile units (17, 18) are provided with connection points (24, 25) for joining the structure (1), and via the connection points (24, 25) the web (10) is attached to the structure (1) in a fixed position.