Patent ID: 6852220

Claim:
A filter plate arrangement of a filter press for filtering suspensions comprising a plurality of filter plates arranged so as to be displaceable parallel to each other and to be compressible to form a plate package in a filtration position, which package comprises between each pair of two adjacent ones of the filter plates a filter chamber and at least one filter cloth arranged therein, and in which the filter plates are able to be spaced apart from each other up to an emptying distance in a discharge position, further comprising at least one filling element for supplying suspension to the filter chamber being associated with each filter chamber, characterized in that the filling element ( 2 ) is arranged on a joining piece ( 5 ) extending outside a plate face of the filter plates and inside a sealing edge ( 27 ) surrounding said filter plates ( 1 M, 1 K), said filling element ( 2 ) being connected with a first one of the filter plates ( 1 M), with said filling elements ( 2 ) forming in the filtration position a suspension inlet channel ( 22 ) extending through the package of the filter plates ( 1 M, 1 K) and being sealingly clamped between the two adjacent filter plates ( 1 M, 1 K), and further characterized in that a receiving bore ( 8 M) for receiving the filling element ( 2 ) in the first filter plate ( 1 M) is provided with a groove ( 10 ) that faces a groove ( 11 ) in said filling element ( 2 ) in an inserted state of said filling element inserted in said receiving bore, with a sealing ring ( 12 ) projecting into both of said grooves ( 10 , 11 ) which positively connects said filling element ( 2 ) with said first filter plate ( 1 M).