Patent ID: 6749751
Filing Date: 2004-06-15
Classification: B01D

Abstract:
Filter module with a number A of circular filter cells cells (1), a number Aâˆ’1 of spacer rings (3) and with two end rings (4), the filter cells (1) and the rings (3, 4) being combined in a stack with the formation of a central through channel (2) by means of clamp elements (5) which are spaced apart in the peripheral direction of the channel wall and which engage the end rings (4) on the inside to transfer axial clamp forces, charcterized in thatthe clamp elements consist of bands (5) with ends (6, 13, 14) which are made hook-shaped and which can be fixed on the end rings (4) by means of an essentially radial hooking or catching motion and that there are means (10, 11) which prevent unintentional radial unhooking or unlocking motion of the hook-shaped ends (6, 13, 14).