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WO/2000/048707A1 |
The invention relates to a filter cloth intended for a filter which has a variable volume and is based on diaphragm extrusion, particularly for a Larox$m(3)-type vertical pressure filter. The filtering properties of the filter cloth (5) ...
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WO1999013034A9 |
A method of dry-fractionating fat for subjecting raw fat to stationary crystallization and solid-liquid separation, characterized by cooling preliminarily an objective fat, dividing the same into small parts inside a large vessel, and ch...
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WO/2000/040515A1 |
The invention relates to a method of dewatering slurries using leaf filters. According to the inventive method, the slurry which has been treated with organic polymeric flocculents and optionally other adjuvants to flocculate is relieved...
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WO/2000/035555A1 |
The invention relates to a module filter comprising at least one admission (6) for the non-filtrate and at least one discharge (7) for the filtrate and comprising at least one filter module (8). Said filter module consists of filter cell...
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WO/2000/035554A1 |
A chamber plate for a filter press, comprising a centre area and an edge area. One surface of the centre area is substantially planar. The invention is characterized by an inner area that is formed in the centre area and edge area. Said ...
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WO/2000/029089A1 |
The present invention relates to a filter device (1) for completely removing residual amounts, after filtration, from the space of the unfiltered product (26). The filter device comprises a plurality of parallel filtration plates which a...
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WO/2000/020096A1 |
A filter (14) including alternating layers of filter medium (16) and diffusion medium (20). The filter provides optimum distribution of fluid over the filtering medium, a reduced pressure drop and an increased filter life, without a redu...
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WO/2000/010684A1 |
The invention relates to a filter module (4) with a simplified design which allows for the manufacturing of a step filter. Each ply of filter medium is composed of a deep-bed filter material layer (1, 1a-d) and the packing is composed of...
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WO/2000/010683A1 |
The invention relates to a filter module, wherein filter layers (1) and collecting/distributing layers (3, 4) are disposed on top of each other with no gaps and are made of the same basic material. The collecting/distributing layers (3, ...
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WO/2000/009434A1 |
The present application utilizes a lifting apparatus for lifting disk stacks, the lifting apparatus includes a structural member having a central guide bore and at least three connecting members operatively positioned about the outer per...
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WO/2000/009239A1 |
A fluid filtration cell (20) is disclosed which includes a separator (26) disposed between two media elements (22, 24) having outer peripheries which are secured together by an edge seal (30). The media elements are formed from a materia...
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WO/1999/064132A1 |
The invention concerns a filtering element provided with a central opening (16) and designed to be assembled with an element of similar type to form a filter, each filtering element (1) comprising two surfaces respectively internal (2) a...
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WO/1999/037379A1 |
A method is provided for fixedly joining a cloth, a cloth-like fabric or a synthetic mesh to a rigid or semi-rigid hub to form a seal, which secures the cloth, the cloth-like fabric or the synthetic mesh to the hub by enclosing the edge ...
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WO/1999/019042A1 |
The invention relates to a filter module (1) comprising several discoid filter cells (2) arranged in superimposed layers. Each of these cells has a central opening through which at least one tie rod passes. This is connected, by its ends...
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WO/1999/017861A1 |
A filter sheet having a fluid impermeable wax layer coursing about an enclosed area of the filter sheet which is permeable to the fluid to be filtered, wherein the wax of the fluid impermeable wax layer has a durometer reading of about 7...
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WO/1999/012627A1 |
A filter press frame that is highly resistant to corrosion is disclosed herein. The filter press includes a tail (15), a follower (13), and head (10) formed of core material inserts encapsulated with multidirectional fiber reinforced res...
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WO/1999/012634A1 |
A moulded filter medium, e.g. a filter cloth comprises a sheet of porous nonwoven material (1) which is pre-moulded and pre-formed to conform to and snugly fit into the recesses and contours of a filter press plate. The sheet may compris...
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WO/1999/007455A2 |
A filter press having a horizontal stack of filter plate assemblies, in which removal of filter cake is automated by means of a vibration/shifter carriage that can be moved in steps along a stack of filter plates after a press closing he...
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WO/1998/045022A1 |
The invention relates to a filter device, in particular for filtering melt-type fluids, such as polymer melts, comprising at least one filter disk (10) having two filter disk halves (12, 14) connected to each other by their edges and out...
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WO/1998/035741A1 |
The invention relates to a filtration device for deep-bed filtration which is easier to handle and enables filter module(s) to be changed and disposed of easily. The filtration device has a casing with at least one filter module (1) inse...
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WO/1998/035740A1 |
The invention relates to a flat filter element and a filter module composed of said filter elements, which are easy to handle and enable easy disposal when dealing with large filtering surfaces. The filter element consists of at least on...
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WO/1998/033573A1 |
A modular filter apparatus (10) is formed from stacked filter modules (10A-10F). Slurry to be filtered flows into the apparatus (10) through a flowmeter (118) and check valve (120) into a header (100). The flow of slurry then branches of...
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WO/1998/030308A1 |
A filtration cassette (12) of a type comprising filter sheets arranged in a multilaminate peripherally bonded array, wherein the filter sheets (104) alternate with permeate (106) and retentate (102) sheets. A stacked assembly (200) of su...
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WO/1998/025684A1 |
The invention discloses an improved apparatus for continuous purification of liquids, dewatering and drying of the separated non-filtering solids. The apparatus is intended to be applied for the purification of industrial or household wa...
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WO/1998/023354A1 |
A caulking tool (20) comprises means (24, 25, 26, 27) for temporarily securing the tool to a filter plate and a pivotally operable caulking body (29, 30, 31) which urges a caulking rope into a groove in the filter plate so as to capture ...
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WO/1998/023355A1 |
A prefilter bag (3) for insertion into a standard filtration bag apparatus (20), having a filtration assembly comprising a seamless filter membrane (10) having uniform pore openings preselected within the range of between about 2 and abo...
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WO/1998/017367A1 |
The invention concerns a filter press comprising at least two plates (1, 2) which have adjacent peripheral zones (1a, 2a) defining a joint face (7) and delimiting between them a filtering space (6), a membrane (8) extending in this space...
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WO/1998/009702A1 |
The invention's subject is the method of pressure filtration and washing of solid suspensions in liquid. The solution's principle, according to the invention, is that during solid and liquid phase separation is introduced the aid medium ...
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WO/1998/006561A2 |
The invention concerns a filter press for the pressurized dewatering of sludges which are difficult to dewater. The filter press comprises: a plurality of pressure bodies which are disposed aligned in a row, take the form of hollow cylin...
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WO/1998/000219A1 |
An apparatus (10) for extracting an analyte from a liquid sample, comprises a microcolumn (12) having a microparticulate media therein, the media being sandwiched between two compression layers (18a, 18b). Preferably, the compression lay...
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WO/1997/040908A1 |
A conical filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media (62) having flutes formed therein and a housing (54). The filter forms a seal (59) between the ou...
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WO/1997/040910A1 |
A filter apparatus includes a fluted filter element in a filter housing having a first open end and a second closed end. The filter element includes fluted filter media coiled into a cylindrical shape and may include an end cap for suppo...
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WO/1997/040917A1 |
A filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes (24) formed therein. The filter forms a seal between the outer edge of the filter and the d...
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WO/1997/040919A1 |
A filter device (60) inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media (80) having flutes formed therein inserting into a housing. The filter media is stacked and placed a...
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WO/1997/040918A1 |
Fluted filter media includes filter material (100) having a plurality of flutes formed therein having alternating ends of adjacent flutes closed (120) to force fluid through filter material. A first embodiment of the filter media include...
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WO/1997/033673A1 |
A filter for fluids having an improved filtering mass, comprising a casing which internally forms a chamber which is connected to an inlet coupling and to an outlet coupling, a filtering mass being contained in the chamber and a fluid to...
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WO/1997/032649A1 |
The invention relates to an improved separation device in which a plate unit containing the filter comprises a separate abutment ring (20) and a cassette (30) which can be easily connected thereto, said cassette comprising at least one f...
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WO/1997/029838A1 |
A filter cartridge (10) for separation of aqueous colloidal suspensions utilizing a shell (12) which forms a chamber having a colloidal suspension inlet and outlets for permeate and concentrate streams. A core (50) is placed within the s...
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WO/1997/027926A2 |
The invention concerns improved coilable separation elements (10), an appropriate coiling process as well as an appropriate housing (3) with toothed gearing (14, 14', 15, 6). The coiling process ensures that during coiling no harmful ten...
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WO/1997/020621A1 |
The invention concerns a device for filtering and separating flow media by reverse osmosis or ultrafiltration, in particular for the desalination and purification of water. According to the invention, a housing (10) with at least one fee...
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WO/1997/016232A1 |
A filter of the type having first annular filter media comprising a generally columnar stack of annular filter media lamina for providing filtration for one circuit, a harness for retaining the filter media lamina in stacked columnar ali...
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WO/1997/014492A1 |
A shifter mechanism (22) for a filter press, which shifter mechanism incorporates a vibrating mechanism (71) for effecting bumping of individual filter plates (17) during the separation thereof from the closed stack to assist in dislodge...
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WO/1997/000111A1 |
The invention concerns a filtration system for removing solid particles from liquids. In the filtration device, flexible sealing elements (3) are provided between the cover plate (1) and filter plate (2) to form a filtration chamber (4),...
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WO/1997/000171A1 |
A filter press plate (10) having a one piece outer shell (26), rotationally molded out of cross-linked polyethylene, providing an inner cavity filled with a structural polyurethane foam core (24), wherein the outer shell (26) and inner c...
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WO/1996/028240A1 |
A filtration cassette (12), of a type comprising membrane filter sheets (104, 108) arranged in a peripherally bonded array of multilaminate character wherein the filter sheets alternate with foraminous (e.g., screen or mesh) sheet member...
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WO/1996/025994A1 |
The present invention relates to a method and apparatus for washing the filter fabric of a filter press. The method comprises a filtration sequence in which the material being filtered such as a slurry is taken to a filter cell (20), whe...
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WO/1996/024423A1 |
A filtration apparatus (10) for use in a filter press comprises a filter plate (11) having an aperture (15) therethrough and filter cloths (16, 17) having similar sized apertures (18, 19), the filter cloth (16, 17) being located respecti...
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WO/1996/013252A1 |
A process for the preparation of an oral solid rapidly disintegrating dosage form of a pharmaceutically active substance which has an unacceptable taste which process comprises forming a solution or a suspension in a solvent of a form of...
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WO/1996/005904A1 |
A filter cloth suspending apparatus for a filter press in which a filter cake is formed between filter cloth portions by pressing the sewage and waste water therebetween by a filter plate, and then discharged. An upper end portion of a f...
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WO/1996/000606A1 |
A filter for high viscosity fluids which can readily remove foreign matters on a support layer and have the endmost layer directly washed, a method of efficiently manufacturing a refined polymer by means of the filter, and a method of mo...
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