Abstract: A filter assembly for a control valve for controlling fluid flow in a hydraulic control unit of a vehicular brake system includes a substantially annular filter body. The body has an inner surface, an outer surface, a first end, and a second end. The inner surface defines an axial bore from the first end to the second end of the body. A portion of the axial bore adjacent the first end receives a portion of a valve body. The filter body is disposed within a bore of a housing. The outer surface defines a first axial groove. The housing contains a valve. The first end of the filter body defines a first radially extending groove which extends between the axial bore and the first axial groove. A filter portion is disposed within the axial bore for filtering fluid flowing through the axial bore.

Abstract: The invention relates to a filter element with improved corrosion and heat resistance and structural properties to be used in filtering solids containing material in order to achieve a filter cake of solid material on at least one external surface area of the filter element. According to the invention, at least one part of the external surface area of the filter element separated from the external surface area for forming the filter cake is provided with at least one corrosion and heat resistant polymer-based material.

Abstract: 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 draining layers (5, 5a, 5b). The draining layers (5, 5a, 5b) and filter layers (5, 5a, 5b) are mutually sealed to the filtrate/non-filtrate chamber (2,3). The filter layers (1, 1a-d) can be arranged according to any pattern.

Abstract: A filter assembly for a control valve for controlling fluid flow in a hydraulic control unit of a vehicular brake system includes a substantially annular filter body. The body has an inner surface, an outer surface, a first end, and a second end. The inner surface defines an axial bore from the first end to the second end of the body. A portion of the axial bore adjacent the first end receives a portion of a valve body. The filter body is disposed within a bore of a housing. The outer surface defines a first axial groove. The housing contains a valve. The first end of the filter body defines a first radially extending groove which extends between the axial bore and the first axial groove. A filter portion is disposed within the axial bore for filtering fluid flowing through the axial bore.

Abstract: A restraining system for hollow fibres is provided. The restraining system includes a plurality of longitudinally extending elements spaced from one another and supported by a number of discrete spacer elements, each spacer element extending generally transverse of said longitudinal elements, such that in combination with said longitudinal elements they define a cage-like structure.

Abstract: A strainer for straining food is disclosed wherein. The strainer includes a clamping device for clamping the strainer to a center partition of a sink.

Abstract: A wash bucket screen has a slanting platform supported on a frustum skirt. The platform has a plurality of holes interspersed between raised ridges on the platform running radially generally toward its perimeter as an aid in releasing water from a cloth squeezed against the platform. To effectively prevent backsplash from the bucket bottom back through the screen, the holes taper from a diameter sized to readily collect water on the platform top to a smaller hole diameter on the platform bottom. The skirt includes a flange on its distal end that engages the bucket wall. To accommodate a frustum bucket with changing wall diameter, the skirt flexes resiliently with the flange engaging the bucket wall and the skirt flexing inward as the screen is inserted in a bucket with decreasing diameter. To allow movement of the skirt, a plurality of slits extend vertically, opening at the skirt distal end, providing an effective splash shield between the skirt and the bucket wall.

Abstract: A method is described for making a reinforcing wire frame for embedding in a moulded polymer support frame over which woven wire cloth is to be stretched and secured to form a sifting screen. The method involves locating lengths of cut wire substantially equally spaced apart in a jig to form a first array. A second array of lengths of cut wire is located over the first array with the lengths of wire in the second array being substantially at right angles to those of the first array. The lengths of wire in the first and second arrays are resistance welded at points of mutual intersection so as to form a first substantially rectilinear matrix.

Abstract: A filter medium and frame therefore wherein the filter medium is treated by a novel adhesive comprised of a major portion by weight of an oil group consisting of vegetable, animal, or mineral oils and a minor portion of a preselected thickening material with the rigidity of the filter medium being obtained by sandwiching the filter medium between joined mating upstream and downstream frame members.

Abstract: This product will be made of polyurethane. The purpose of this product is to minimize accidental burns and spill overs. With it's unique clamp down feature, this product will do just that. Made dishwasher safe it allows a steril cleaning. This product also allows a person to use both hands, control tipovers and attaches safely to the sink.

Abstract: A filter screen having support frame including an outer peripheral flange surrounding a central region. Faces of the outer peripheral flange of the support frame to which the wirecloth is bonded by heating are formed with a plurality of closely spaced apart parallel ridges including outer ridges and inner ridges, each having a crest, so that when heated, the crests of the ridges soften, and the woven wirecloth laid thereover and tensioned can, under an appropriate downward loading, penetrate and become embedded in the softened ridge crests. The outer ridges extend to a greater height above the frame than said inner ridges, whereby there is a greater volume of polymer to be melted and spread by the application of heat and pressure to the wire cloth near outer regions of the outer peripheral flange than near inner regions of the outer peripheral flange.

Abstract: A filter medium and frame therefore wherein the filter medium is treated by a novel adhesive comprised of a major portion by weight of an oil group consisting of vegetable and animal oils and a minor portion of a preselected thickening material with the rigidity of the filter medium being obtained by sandwiching the filter medium between joined mating upstream and downstream frame members.

Abstract: In an apparatus for separating at least one component from a fluid mixture, comprising a plurality of hollow fiber membrane frames through which a carrier fluid is conducted while the fluid mixture flows through the frames in a direction normal to the hollow fiber membranes supported in the frame, a plurality of frames are stacked on top of one another and shaped so that, together, they form a sealed tubular structure for guiding the fluid mixture past the hollow fiber membranes extending across the frames.

Abstract: The present invention involves a plate-shaped filter holder for use with a sterilizing container. The filter holder comprises a peripheral outer pressure rim, a central pressure region, a mounting device for fixing the filter holder on the sterilizing container and including webs between the outer pressure rim and the central pressure region which leave open breakthroughs therebetween. In order to prevent undesirable deformations in the filter holder, the webs extend at least partially in a direction which comprises a component in the peripheral direction.

Abstract: A filter (12) has a resiliently compressible thermally and chemically resistive combined unitary frame and gasket member (22) extending along its perimeter (18) and supporting a filter media element (16) and sealed to both the filter media element and the housing (20). One or more flange portions (34, 72, 94, 96, 118, 130) have one or more hollow channels (36, 74, 90, 92, 120, 132) deformed by engagement with the housing and reducing required closure force of the housing thereagainst.

Abstract: A fluid filter for a vehicle solenoid valve includes a male end piece, a female end piece, and a medial end piece therebetween. A first screen connects the male end piece to the central support piece and a second screen connects the female end piece to the central support piece. The female end piece is formed with a hole. A post extends from the male end piece. When the filter is wrapped around a solenoid valve, the hole engages the post and is heat staked to hold the filter snugly around the valve with the screens covering the valve ports.

Abstract: A fine filter assembly for a dishwasher includes a filter body having a soil accumulation trough. The soil accumulation trough defines a substantially helical flow path between a fine filter inlet and an outlet. A natural flow path is therefore provided to efficiently clean fine the filter assembly with downwardly directed fluid jets generated by a lower spray arm assembly. Soil is directed to a fine filter drain tube with relative ease, thereby facilitating use of more efficient use of a drain pump inlet as a soil collection chamber during wash cycles.

Abstract: An industrial, e.g. power plant cooling, water extraction framed cartridge filter system is disclosed with a holed fabric type medium to filter debris from the power plant cooling water. The fabric type filter medium is comprised a one or more strength meshes of nylon or another strong fiber and an inner polypropylene or polyester medium with small holes. The size of the frame and the number and arrangement of the holes are arranged to supply a volume of filtered water consistent with the needs of the application at the typical pressures found therein. For a power plant, a system of many cartridges may be used to provide the total cooling/replacement water needs. Compressed air is introduced into the bottom interior of the cartridges and released via a valve at the top. The compressed air mechanically disturbs the filter medium to knock off any debris that may have attached to the filter medium surface and air escaping via the small holed in the filter may attach to and float small pieces of debris away.

Abstract: A toilet water-line filter (10) that is designed to protect a toilet's fill valve (62) from the intrusion of potentially damaging debris such as rocks, vegetation, etc. The filter (10) is comprised of a housing (12) and an internal filter (34) which consists of a mesh staining element (36). The filter (10) is attached between the toilet's fill valve (62) and a typical, flexible, water line (66). Debris that would normally pass into the fill valve (62) becomes trapped in the mesh staining element (36), from where the debris is easily removed.

Abstract: A disposable net assembly is provided for a trap for collecting floatable debris in a waterway or combined sewer system. The net assembly includes a knitted bag-shaped mesh net having a frame surrounding the mouth of the net with the net secured around its rim to the frame. The net may be formed of an inner layer and an outer layer of mesh with the openings of the inner layer being substantially larger than the openings of the outer layer. The frame may be formed of a plastic molded material having side members tapered in the vertical direction to facilitate the changing of the netting assemblies and tapered in the downstream direction to lock into place under the force of the flow. Several embodiments of the frame members have projections thereon which cooperate with a clamping element to hold the net to the frame. Some embodiments of the members have parts that lock together with a post and hole construction while others employ a tension band to clamp the net to the projections on the frame.

Abstract: A fuel filter for use in a fuel filter/pump/sensor module and method of making same provides an in-tank fuel filter having a novel retaining member for securing the body of the filter in a position adjacent the housing of a fuel pump to which it is connected. The filter includes a fabric body, an in-situ molded outlet fitting on the top side of the fabric body and runners or contact points on the underside of the body. The fabric body may be a single folded fabric swatch or a plurality of swatches sealed about the open edges. The outlet fitting cooperatively engages the inlet of a fuel pump. A retaining member formed on the periphery of the body engages the housing of the fuel pump and positions the filter body adjacent the housing.

Abstract: The invention is a kitchen utensil that aids in the removal of grease or oil from soups, sauces, etc. Specifically, the device is a ladle with an inverted funnel that when dipped into soup or sauce, it effectively removes the fat from the top of the soup or sauce. The invention works on the notion that oil and water do not mix, and as a result, the oil will float on the top of the water. When dipped into the soup, the fat is forced through the inverted funnel until it is forced out and then falls into the ladle device.

Abstract: A bag-type filter adapted for use with a basket filter assembly. The basket assembly is removably supported within a filter vessel and includes an outer, permeable member and an inner, permeable member having a diameter which is less than the diameter of the outer, permeable member such that the inner, permeable member is received with in the outer, permeable member so as to define an annular space therebetween and an inner flow path. The bag-type filter is supported by the basket assembly over both the inner and outer permeable members bounding the annular space therebetween. The bag-type filter includes a first portion having a first, larger diameter and a second portion having a second, reduced diameter. A transition portion is disposed between the first and second portions of the bag-type filter.

Abstract: A method of repairing or refurbishing a filter screen is described. The type of screen is defined in the specification. The repair or refurbishment is effected by stripping worn or damaged wirecloth from the surface of the frame and placing fresh cloth over the frame and tensioning it as appropriate. Heat is then applied so as to soften surfaces of the frame over which wirecloth is stretched, so that the latter can penetrate softened plastics material in the surfaces and become embedded therein. The frame and its associated fresh cloth is allowed to cool, after which the applied tensioning is removed. Exposed edges of the wirecloth can be trimmed back to the surrounding flange. Plastics material may be applied to the surface of the frame which is to receive the new wirecloth, before the latter is fitted, to provide additional plastics material for bonding the wirecloth to the frame.

Abstract: A filter (10) for use in a water heating vessel, such as an electric kettle, to filter sedimentary material in the water includes a scale collector (25), for example in the form of a compacted mesh block, carried on the filter. The block can be supported by a carrier member (27) permanently or detachably mounted on the filter frame, preferably towards an end of the filter closest to the bottom of the vessel.

Abstract: A tool for cleaning debris from swimming pools includes a frame, a corresponding net, and retaining means for retaining the net on the frame. The preferred retaining means is an elongated strip of resilient, flexible material, having a generally U-shaped cross-section. The web portion of the cross-section includes an exterior surface smoothly shaped between its two edges to urge debris from the pool into the net. The leg portions of the cross-section include gripping portions to assist in engaging and/or disengaging the retaining means from the frame, to permit the net to be assembled, changed or replaced. The preferred frame of the tool is fabricated from metal and includes an elongated, curved frame portion with its ends welded to a tubular attachment member, to permit attachment of the tool to a handle, pole or similar structure. A corresponding preferred method of use is also disclosed.

Abstract: The invention relates to a filter element with improved corrosion and heat resistance and structural properties to be used in filtering solids containing material in order to achieve a filter cake of solid material on at least one external surface area of the filter element. According to the invention, at least one part of the external surface area of the filter element separated from the external surface area for forming the filter cake is provided with at least one corrosion and heat resistant polymer-based material.

Abstract: The present invention provides a mechanical lock for securing one or more filters within a filtration device and methods for producing the mechanical lock. The use of an interference fit punch causes a portion of the inner surface of the wall to be skived and rolled along the wall until it reaches the desired location where it forms a mechanical crimp to retain the one or more filters within the device. In one embodiment, the inner surface has an inwardly taper. In the other, it has straight walls or outwardly tapered walls. The use of a gasket such as an O-ring on top of the filter before the wall is skived provides a liquid tight seal.

Abstract: A panel filter assembly is provided having an frame integral with a layer of filter media. The frame comprises a peripheral member disposed proximate the perimeter of the sheet of the filter media. The peripheral member is formed of a hard or rigid plastic material and comprises an upstanding portion extending away from a first side of the sheet and a portion penetrating through pores in the sheet to an opposite side of the sheet.

Abstract: A filter tube for use in earth coated type filters includes a flexible permeable tubular sheet internally supported by a helical spring. The internal spring is connected between opposite ends of the filter tube to support the full length of the tube wall. One end of the tube is connected to an external spring and anchor plate. In a slack position, the tube end folds over an end collar connected to the spring. Extension of the anchor plate applies tension to stretch the spring and tube to a taut position during a cycling operation which oscillates the tube to dislodge accumulated material.

Abstract: A swimming pool float net is described which hangs onto the side or fence of a swimming pool. The float net can be multiplied in size with additional units. The float net can be folded when temporarily not in use or completely disassembled into a compact form when not be used for long periods of time.

Abstract: A tool for cleaning debris from swimming pools includes a flame, a corresponding net, and retaining means for retaining the net on the frame. The preferred retaining means is an elongated strip of resilient, flexible material, having a generally U-shaped cross-section. The web portion of the cross-section includes an exterior surface smoothly shaped between its two edges to urge debris from the pool into the net. The leg portions of the cross-section include gripping portions to assist in engaging and/or disengaging the retaining means from the frame, to permit the net to be assembled, changed or replaced. The preferred frame of the tool is fabricated from metal and includes an elongated, curved frame portion with its ends welded to a tubular attachment member, to permit attachment of the tool to a handle, pole or similar structure. The preferred net of the tool includes one or more anti-slip devices to prevent the edge of the net or bag from slipping between the frame portion and retaining means.

Abstract: Slack end filtering tubes with tensioning members are utilized in an improved bump type filter employing a split inlet with an outlet and tube sheet at the lower slack end and a movable anchor plate at the upper end that can apply an adjustable tension to the filter tubes. The lower tube sheet is angled and has varying length connections to a plurality of filters to permit use of filter tubes of equal size. Movement of the anchor plate adjusts the lengths of the tubes by extending or shrinking the tubes to provide tension or relaxation of the tubes. Shaking the relaxed tubes removes accumulated materials to be flushed out. Tensioning of the tubes provides for filtration at the tubes. Slack end filtering tubes with tensioning members are employed in another embodiment to extract filtered liquid. A first set of filters extends outwardly from a vertical wall with a second set of filters resting along the bottom of the receiver.

Abstract: A pool cleaner debris bag comprising a body having an upper end and a lower end, the lower end coupled to the pool cleaner to receive debris from the pool ejected by the cleaner into the bag, and a float positioned in the bag.

Abstract: A filter sheet positioned between plates (14) of a filter press has a fluid-impermeable wax layer (11) sealing the sheet's perimeter. The wax preferably comprises ethylene bis stearamide and has a durometer reading of about 75 to about 100 Shore A hardness at 25.degree. C. and 85.degree. C., a melt point of about 110.degree. C. to about 180.degree. C., and a viscosity of less than about 100 cp at 155.degree. C. The wax layer increases the useful life of the filter sheet while providing a sheet which is easily released from a filter press and which retains integrity along the seal during repeated hot water sanitations.

Abstract: An extension kit for adaptation to an existing filter housing provides a two-fold increase in filtering surface area, while inducing a vibration into a resultant filter housing structure which resultantly loosens entrapped impurities to extend the life and frequency between filter change-outs.

Abstract: Sludge accumulations can be quickly removed from a vat containing liquid resin, by a manual mechanism that includes a porous platform adapted to rest on the vat bottom wall. Lifter arms extend upwardly from the platform to mount lifter handles at the vat upper edges. The handles can be pulled upwardly to lift the porous platform out of the vat. Sludge is retained on the platform, while liquid resin drains into the vat.

Abstract: A method and apparatus for forming a plastic component with at least a first and second set of integrally molded castellations for retaining an O-ring therebetween; the component therefrom; and further embracing a method and apparatus for forming such a plastic component comprising one or more filtration windows with filtration material outwardly of the castellations.

Abstract: A brewer device for brewing single servings of a beverage, while also functioning as a cup closure lid. The lid includes a filter assembly to hold a brew substance, such as coffee grounds, a lip to secure said device to the mouth of a cup, and a frangible tab to allow consumption of the beverage without removing the lid. To enhance the aroma of the beverage while it is being consumed, the brew substance is held on top of the lid just below the position of the consumer's nose. Other brew substances, such as tea, cocoa, bouillon, etc., may be used.

Abstract: A filter tube for use in earth coated type filters includes a flexible permeable tubular sheet internally supported by a helical spring which in one embodiment extends partially along the length of the filter tube. The unsupported free end or an intermediate portion is subjected to oscillation to dislodge contaminated coating material accumulated on the surfaces of the filter sheet. External means are provided at the free end of the filter to permit oscillation and to support a plurality of filter ends. In another embodiment, an internal spring is connected between opposite ends of the filter tube to support the full length of the tube wall. One end of the tube is connected to an external spring and anchor plate. In a slack position, the tube end folds over an end collar connected to the spring. Extension of the anchor plate applies tension to stretch the spring and tube to a taut position during a cycling operation which oscillates the tube to dislodge accumulated material.

Abstract: A apparatus for use in storm water openings equipped with a cover and openings that allow storm water into the storm sewer. The apparatus includes a plurality of troughs with a bottom and two sides that define the troughs. The troughs support an absorbent sock and directs storm water to openings between the troughs where the storm water discharges into a semi-permeable bag prior to discharge down the storm sewer. The troughs are equipped with small openings at each end and on each side of the trough with the purpose of holding a semi-permeable bag between two troughs. The structure, absorbent sock and semi-permeable bag are located on the peripheral portion of the storm sewer inlet. The structure is installed on the same support for the cover by a thin lip and the cover is placed on top of the lip. The absorbent sock provides the first stage of treatment of the storm water.

Abstract: A filter assembly is disclosed which includes a downwardly sloping skirt portion, a gasket, filter media, and a supply suction tube. The gasket is integral with a top section of the skirt portion. The filter media, which may be pleated for increased filtering capabilities, is positioned at the bottom of the skirt portion such that unfiltered fluid will be gravity biased to pass through the filter media. The suction tube is integral with the skirt and has a first end and a second end. The first end is adapted to be connected to a pump, while the second end extends through the skirt such that the filtered fluid can be drawn through the suction tube when the pump is activated.

Abstract: The present invention relates to an electic coffee machine and a filter element (1) therefor. The coffee machine includes a filter element (1) for taking up ground coffee (12) that is supported by a filter housing. A brewing head (2) is provided above the filter element (1) and has one or a plurality of outlet openings (3) from which water (14) heated by an electric water heater flows into the element (1) in order to extract the coffee. According to the present invention, the filter element (1) includes on its outside top edge (9) an annular collar (10) which extends at an angle relative to the edge (9). The filter element (1) is made of filter paper. Disposed below the annular collar (9) is a securing device (28) which bears the filter element (1) and on which the filter element (1) is supported in a substantially cantilevered manner. In this way, the filter element and the coffee machine are easier to handle. In addition, brewing results are improved and the dripping time is reduced.

Abstract: An air filter has a filter media with a central portion and a boundary portion, the central portion having a greater density of filter area than the boundary portion. In one embodiment, this is accomplish by having more pleats in the central portion than the boundary portion and, in another embodiment, this is accomplished by having higher pleat amplitudes in the central portion than in the boundary portion.

Abstract: Apparatus for physicochemical separation and filtering constituents of fluids having a flexible leak-tight or semipermeable casing which tightly envelopes a filter material and inlet and outlet pipes for passing a fluid through the casing in contact with the filter material. The casing is made in a flat profile that can be formed into various shapes such as spirals, ribbons or the like.

Abstract: A sieving screen or filtration screen, and processes for producing the same, featuring the use of a flexible, chemical resistant, intermittent, polymeric coating as an edging material and/or for providing indicia for identification purposes to show, for example, the source of the product, producer's or customer's logos, trade names, part numbers, indications and precautions for use, and any other forms of instruction and/or information, as well as providing an intermittent or discontinuous coating to allow for electrical grounding with a conventional filter clamp or the like. Screen printing is one preferred method for applying the polymeric matter to the sieve or filter screen.

Abstract: A filter element including a filtration part and a mounting frame retaining the filtration part therein. The frame is formed by a profile with a center part and two border parts. The filtration part is retained between the border parts. The border parts are positioned in generally parallel relation to each other. A strip of material is firmly fixed to the border parts such that one end of the strip is fixed to one of the border parts and an opposite end is affixed to the other of the two border parts. The strip is in generally parallel relation to the center part.

Abstract: A support structure for thin screenplates utilized for fine screens in Fibresaving applications for pulp fiber suspensions or the like wherein a support structure having a screen support in minimum screen contact positioned by a support reinforcement and positioning device, assembled to form an integral structure which reduces the stresses and deflections in the thin screenplates occurring in operation.

Abstract: A filter including a first flow path having a plurality of interconnected channels and a second flow path having a plurality of interconnected channels. The channels of the first and second flow paths are alternatingly configured in a substantially concentric pattern. A filter media is interposed between the channels of the first and second flow paths. A filter including a filter media arranged in a plurality of substantially concentric layers; a fluid outflow system contacting the entirety of one side of the filter media, and a fluid inflow system contacting the entirety of an opposite side of the filter media.

Abstract: Filter apparatus for filtering contaminants from a fluid, such as machine tool coolant, are disclosed. One filter apparatus includes a filter drum unit having a generally cylindrical open perforated support sheet with a cylindrical screen element mounted thereabout. Circumference varying mechanisms, such as turnbuckles, are connected relative to the support plate to vary the circumference of the support plate and the tautness of the screen element. A disc filter assembly having a mandrel and fluidly attached annular disc filter elements is also described. Each annular disc filter element has an inner structure with concentric ribs forming concentric grooves therebetween which are connected to radially extending grooves. A screen element is supported by the ribs so that the microscreen will not tear while allowing filtering of fluid into the grooves which are in fluid communication with the mandrel.