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WO/1995/033545A1 |
Membrane plate for filter presses comprising a stack of at least two adjacent plates (2, 4) delimiting together a filter chamber (10), a membrane (16) extending within said chamber and comprising a peripheral portion (18) engaging a peri...
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WO/1995/028216A1 |
The invention lies in the field of filter cloths. For example for manufacturing grinding compounds and the like the mass consisting of (abrasive) grains must be removed from a liquid or viscous-liquid mass by guiding this mass with press...
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WO/1995/027550A1 |
A metal filter plate for a chamber filter press comprises a frame (2) having an upper frame part (5a) and a lower frame part (5b), which are identical, as well as identical side parts (6a, 6b). These parts are made from metal profiled se...
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WO/1995/015805A1 |
This invention relates to a septum for a filter, and in particular to a septum for a plate and frame filter. There is disclosed a septum (24) for a filter (10) comprising a sheet with a plurality of apertures, the apertures being of a si...
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WO/1995/015214A1 |
The invention relates to a structure element (1, 6, 10, 14, 31) of a device for the treatment of corrosive materials in heat and stress conditions. The structure element is comprised of monomers which are mass polymerized in a closed mol...
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WO/1995/007743A1 |
A filter fabric apparatus (40) for a filter press comprises two tubular members (41, 42) arranged such that one is located over the other so as to define a twin walled feed passage. A filter cloth is connected to each of the tubular memb...
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WO/1994/015693A1 |
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 element...
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WO/1994/013382A1 |
A mobile installation for sludge processing by means of a chamber filter press (1) in the form of a diaphragm press also comprises a feed system (9) to produce the heavy-liquid and various units to vary the temperature and pressure insid...
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WO/1994/008694A1 |
A filtering means support useful for a liquid filtering device is characterised by an upwardly pointing collar around its outer circumference, so that the element has a stretched Z shape. When individual filtering means supports are stac...
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WO/1994/008705A1 |
Inorganic unit for filtering a liquid medium (2) in order to recover a filtrate. The unit comprises at least one rigid porous inorganic structure (A), including first (a1) and second (a2) main surfaces located opposite one another, at le...
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WO/1994/007584A1 |
A filter press plate shifter (21) provided with a shifter housing (22). The housing part mounts a pneumatic plate shifter for permitting the endmost plate in the closed stack to be individually and sequentially shifted away from the stac...
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WO/1993/024311A1 |
A press assembly (10) for squeezing liquid from layers of liquid containing materials. The press assembly utilizes a plurality of open top filter bag assemblies (102), each filter bag assembly being disposed between adjacent press racks ...
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WO/1993/024202A2 |
A novel filter bag assembly (10) which may be used in a press (12) for squeezing juice from fruit. The bag assembly facilitates the discharge of a press cake (PC) from within the bag when it is inverted. The bag assembly includes a bag (...
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WO/1993/023141A1 |
A method for producing a filter cloth in which selected regions (41, 45) of the filter cloth are rendered impermeable and capable of providing a seal when located in position between the successive plates of a filter press. The method in...
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WO/1993/019830A1 |
A filter apparatus and method is disclosed for separating solid materials from liquid materials in a slurry fluid. The apparatus includes separable plate members (12, 14) that are pressed against each other to form a filter chamber (10)....
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WO/1993/019828A1 |
A filter press separating device (10) comprising a drivable carriage (16) with a track (18) which slidably mounts a shuttle (32). A sprung latch (20) is mounted adjacent one end of the track (18) and is engageable with a pack of filter p...
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WO/1993/018838A1 |
A barrel neck connector comprises two pairs of flanges (11, 12, 13, 14) provided at opposite ends of a tube (10). A filter cloth (15) is provided between each pair of flanges (11, 12, 13, 14). One or more seals (16) may be provided betwe...
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WO/1993/018839A1 |
A method of forming a barrel neck connector (10) for filter cloths comprises arranging flanges (12, 13) having holes therethrough at opposite ends of a hollow tube (11) and passing a length of flexible tape (14) through the tube (11) suc...
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WO/1993/002764A1 |
The object of the invention is to provide a filter (3) made of plates coated with inflatable membranes (5) and filtering cloths (6), of the type in which there is at least one median hole for the passage of the liquid to be filtered (7) ...
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WO/1993/000146A1 |
A process and device are disclosed for filtering liquids, in paticular drinks, in a reliable and simple manner, without negatively affecting the quality of the filtrate. Filters are produced in a precoating station by precoating with a p...
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WO/1992/022371A1 |
A compact filter assembly adapted for filter media retrieval comprises an in-line arrangement of a filter stack module (12), an extractor and separator module (26) and a rewind module (30) for receiving and collecting the filter media fr...
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WO/1992/021423A1 |
Proposed is an improvement to a membrane plate for plate filter presses, the membrane plate comprising: a plate wall (2) with a surrounding plate frame (3), which together with the adjacent filter plates on either side of the plate forms...
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WO/1992/020424A1 |
A plate filter having several filter plates that can be moved and pressed against each other by a closure device (6) is known. The filter plates are arranged in pairs of adjacent plates mutually linked by spacers, forming a filter chambe...
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WO/1992/013624A1 |
The invention concerns a method and device for separating mixtures of liquid and solid materials by squeezing out or filtering off the liquid component. The mixture is divided into a multiplicity of adjacent or consecutive portions which...
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WO/1992/012853A1 |
In order to increase the productivity of a squeezer for squeezing oil-containing materials, particularly a mass of cocoa, without increasing the number or diameter of the squeezing chambers (1), additional devices are provided to increas...
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WO/1992/006760A1 |
The invention relates to a filter plate for a plate filter press with at least one press diaphragm (6) covered with filter fabric, in which the filter plate (2) and the press diaphragm (6) have at least one shared passage aperture (4), w...
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WO/1992/004108A1 |
A spirally wound ultrafiltration filter cartridge (10) system and method which comprises a membrane sheet material forming a closed loop (12) having a one end and an other end with first and second open spacer sheet materials (18), the m...
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WO/1992/003216A1 |
A device for membrane separation by filtering or distillation comprises at least two plates (10, 101, 102, 103, 201, 202) arrangedin a stack and membranes (13, 130, 150, 230, 250) arranged between the plates. Together with the membrane a...
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WO/1991/009661A1 |
Method and apparatus for the discharge of the filter cake out of a filter apparatus, whereby the filter cake is conveyed towards a discharge shaft to fall down into it, and whereby, when the cake reaches a certain height within the shaft...
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WO/1991/004089A1 |
A method and a device for filtering and processing fluids of the kind comprising a plurality of lenticular plates (1) stacked around a filtrate evacuation column (2). The fluid flows within a filter frame from the outside to the inside o...
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WO/1990/014878A1 |
A filter plate (10) having a flow channel area on its main top surface (14), and liquid distribution and collection basins (46, 80), each of polygonal shape, on its main bottom surface (16). Liquid inlet and discharge trough openings (40...
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WO/1990/006797A1 |
A moulding, such as a chamber or membrane filter press plate at least partially in plastic, has regions of various cross-sections, in particular a marginal region (2) which is considerably thicker than the inner region of the moulding, s...
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WO/1990/005576A1 |
A separating filter for separating a pulp consisting of a mixture of liquids containing solids fractions comprises a pressure filter associated with a fine-filtration and ultrafiltration device. The solids fractions are retained in the p...
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WO/1990/005574A1 |
A pressure filter comprises an essentially cylindrical container, several filter elements arranged in parallel inside the housing, and a rotor, which has a rotor shaft rotatably mounted in the housing and several rotor elements secured t...
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WO/1990/005009A1 |
A liquid filter (10) for fuels is proposed in which the rolled-type filter element (17) arranged in the casing (11) is surrounded on its lower face (22) by a funnel-shaped welded cover (18). The cover (18) of thermoplastic synthetic mate...
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WO/1990/001981A1 |
A filter plate (210) which is longitudinally partitioned between its inlet end and outlet end and features a liquid feed trough (28) and a liquid collection trough (30) at their respective ends. Such plates (210) may be associated in opp...
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WO/1990/001361A1 |
The invention concerns a filtering procedure by which the solid matter and the fluid contained in a sludge are separated in a box filter. The sludge is passed in the filter into a filtering space (2) between two opposite filter cloths (3...
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WO/1989/012602A1 |
In order to achieve the highest possible degree of desalting, a membrane filter-press is filled with an aqueous suspension of the laminated silica and the silica are subsequently washed in the press.
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WO/1989/008490A1 |
An apparatus for shifting and washing filter plates (15) within a filter press is disclosed. The apparatus includes guide track (34) having a pair of slidably reciprocal shifter carriages (5) with multiple pivoted pawls (35 and 36) for t...
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WO/1989/006155A1 |
The present invention relates to a method of pressure filtering, the pressure filter (1) used comprising pressure plates (3, 4, 5, 6), which can be pressed against each other. Pressure chambers (8) are formed between the pressure plates ...
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WO/1989/005181A1 |
An apparatus for separating a feed liquid into a concentrate and a permeate fraction by membrane filtration comprises an array of cassette frames (1-5) separated by intermediate plates (10). The array is adapted to be clamped together in...
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WO/1989/004204A1 |
The invention relates to a procedure for the cleaning of the filter cloth (9) in a box filter and to a box filter applying the procedure. The filter consists of a block of filter plates (1) placed oppositely in an essentially vertical po...
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WO/1988/006941A1 |
A process for manufacturing fine-structured bodies (15a-15e) with several closely spaced channel-like perforations of highly uniform shape, dimensions and surface quality. Several grooves (3) of constant cross-section and given cross-sec...
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WO/1988/005335A2 |
A filtering cartridge (62) with two filter elements (12, 14) having a common axis to filter contaminated fluids such as motor oils or edible oils. The filter elements (12, 14) are composed of a roll of a double-layered, honeycombed, plas...
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WO/1988/003832A1 |
An apparatus for effecting the separation of filter plates (15) writhin a filter press. The apparatus includes a guide track (34) having mounted thereon a slidably reciprocal carriage (38). The carriage includes at least one pivoted pawl...
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WO/1988/003432A1 |
A liquid filter apparatus, for connection to inlet and outlet piping, (4, 6) includes a housing (10) which is integral with the piping and a removable integral filter unit (40) in the housing (10). The integral filter unit (40) includes ...
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WO/1988/003431A1 |
A liquid filter apparatus, for connection to inlet and outlet liquid lines, including a mounting holder (2) and a removable filter within the holder. The filter unit (20) includes bottom and top end caps (22, 26) with a core tube (46) an...
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WO/1988/000495A1 |
Method and means for pressure filtering on a pressure filter (1) comprising a frame (2) carrying press plates (3-6), which can be brought together and apart, said press plates between themselves forming pressure chambers (8). In each pre...
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WO/1988/000082A1 |
Rotary disc filter, in which the discs are provided with a pressing system and are anchored on a common shaft. The filter can be used both for dynamic and static filtering. The intermediate spaces between the individual discs can be clos...
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WO/1987/003504A1 |
An apparatus for automatically removing cake deposits (42) from the surface of filter cloths (27) within a filter press. The apparatus includes a rod (41) for suspending the cloth (27) in a substantially inverted ''V''-shaped configurati...
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