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US 5,635,062 AGranted
Device for filtering liquids and a filter unit for use in such a device
AssigneeCelleco Hedemora AB
InventorsPaul Cameron, Jorgen Larsson
Life of this patent
Estimating the term…
Abstract
Frames holding separate sections of a filter medium, each covering a section of the perforated sidewall of an annual disc of a device for filtering liquids are held in sealing arrangement with the sidewall by a circumferential holding system containing a circumferential groove engaging the frame, which in a preferred embodiment can be slidingly inserted and removed.
Claims4
A device for filtering liquids, comprising:
- (a) an annular disc having two opposite annular side walls spaced from each other, at least one of the side walls being perforated;
- (b) a plurality of separate sections of a filter medium, each section of filter medium having an inner side facing said side wall and an outer side facing away from said side wall, said medium covers a radial portion of the perforated side wall of said annular disk;
- (c) frames onto which the respective sections of filter medium are attached to form filter units separate from the side walls, each filter unit having a peripheral rim;
- and
- (d) holding means engaging the filter units to hold them in intended positions relative to the two oppose annular side walls, the holding means forming grooves receiving the entire length of said peripheral rim of each independent of said oppose annular wall.
2 more elements
Dependencies are inferred from the claim text.