Mounting arrangement for a tube-type filter element

Claim 1

Filter apparatus comprising a tank having means defining an inlet port and means defining an outlet port; a generally rigid tube sheet disposed within said tank and adapted to sealably partition said tank between said inlet and outlet ports; a tubular filter element formed of a porous material for filtering fluid admitted to said tank, said filter element having a hollow, generally cylindrical body portion, said body portion having a proximal end and a distal end; said distal end being closed; said proximal end having an integrally formed annular, external flange; said tube sheet having a circular aperture for receiving said cylindrical body portion of said filter element and further having an upstanding circular wall member coaxially disposed with respect to said aperture; said wall member having an inside diameter which is larger than the outside diameter of said flange to receive said flange therewithin; annular sealing means disposed between said flange and said tube sheet; said wall member having means defining a plurality of through holes; and pin means extending through said holes across the top of said filter elements, said pin means bearing against the proximal end of said filter element, whereby said flange is held by said pin means against said sealing means to form a fluid tight seal between said filter element and said tube sheet.