Abstract: A nested stack of bowl-like disposable beverage brewing filter sheets. Each filter sheet has two adjacent folds in opposite direction forming a grippable strip for removing discrete sheets from the stack. A container for the nested stack has a removable panel for exposing the grippable strip of the outermost sheet for easy finger gripping and discrete removal of the sheet. The container is slideably receivable in a bracket adapted to hold it as a dispenser. Refillable dispensers are also disclosed.A method for preparing a beverage brewing apparatus for brewing comprises the steps of grasping with fingers of one hand the strip of the outermost filter sheet at a location other than at the edge of the sheet, pulling the filter sheet as a discrete entity from the stack, and lining the brewing basket with the single filter sheet in preparation for brewing.

Abstract: A fuel filter is disposed in a fuel supply line connecting a fuel tank to a fuel injection pump of a diesel engine, and provided with a fuel passage through which a warmed overflown fuel from the fuel injection pump is supplied to the upstream side of a filter element of the fuel filter. A check valve is disposed in the fuel passage of the fuel filter and adapted to be openable to allow the warmed fuel to flow through the fuel passage. Additionally, a bimetal element is disposed to be operatively connectable with the check valve to cause the check valve to open in response to the temperature of the fuel within the fuel filter.

Abstract: There is provided a filter element for filtering fluids. The element consists of a body member having at least two openings provided, respectively, access and egress for the fluid and a plurality of fibers of a substantially uniform orientation over at least a portion of their active lengths along which portion at least each of the fibers is disposed in close proximity to its adjacent fibers. The invention also provides a flushable filter device incorporating the above described element.

Abstract: The present invention is directed to a duplex filter apparatus which provides for a first primary filter path and a second path for secondary filtration. The first path includes a shutoff valve on one side of the primary filter and a check valve on the downstream side. The second path includes a regulating bypass valve on the upstream side of the secondary filter and a check valve on the downstream side. The regulating bypass valve gradually shifts fluid flow from the first path to the second path when differential pressure across the primary filter increases beyond a predetermined level. A reservoir return bypass valve directs fluid flow gradually from the secondary filter when differential pressure across the secondary filter increases beyond a predetermined level. Bleed valves are provided to relieve pressure on filter elements when the filter elements are isolated so that servicing may occur.

Abstract: A fluid containing system, as in a filter, for toxic or hazardous fluids is provided with rotatable base seals that can be alternatively positioned to permit the flow of fluids from the filter supply line, passing through the filter or, alternatively, the filter supply line can be sealed shut to prevent fluid leakage when the filter is removed. A third filter seal position is provided, wherein a cleaning fluid, for example compressed air, can be supplied to the filter in order to remove excess fluid from the filter prior to removal. An alternative embodiment permits removal of the filter and sealing of the supply line by rotating the filter and seal assembly about the supply line access to save space or to facilitate changing the filter. The fluid containing system can also function as a fluid sampler, or to add materials to the fluid system.

Abstract: A strainer mountable upon a 55 gallon drum or the like, for thawing frozen edibles comprising a vessel having side walls, preferably a pair of sloping bases extending out from a central opening, which opening is covered by a removable perforated lid. The central opening is surrounded by an upstanding wall to aid in confinement and delivery of the thawed fluid to the drum or barrel.

Abstract: The invention relates to the use of orosomucoid, functional analogs thereto or derivatives or fragments thereof to produce separation materials.

Abstract: This invention relates to an improvement in a regulating apparatus for a dewatering machine, in particular a double strainer dewatering machine (sieve belt press), with one or more control circuits, for instance a flocculant control circuit and/or a flow rate control circuit, or a straining rate control circuit, to adapt to sludges or suspensions with varying dewatering properties, the improvement comprising means employing the rate of freely draining filtrate in the strainer zone as the criterion value for the flocculant control circuit.

Abstract: An installation for continuously feeding and renewing, into the dampening fountains of printing processes, a solution comprising water and chemical additives, comprises a tank containing a solution that can be automatically replenished as to the percentage of water and chemical additives, by means of probes and automated devices controlling the level and some of the main parameters of said solution, e.g. acidity and density. The solution is refrigerated by a suitable apparatus and is agitated and stirred continuously by means of a re-circulation circuit which uses either ejectors or jet-pumps having their suction conduits connected to the discharge ducts from the printing press fountains which receive a proportional quantity of solution from a feeding circuit comprising at least one pump and filters.

Abstract: A sampling system for boiler water or boiler feed water has an actuator actuated by an external actuator including the following components. A source to supply water having a prescribed temperature and within a prescribed pressure. A flow regulating means with indicator providing a flow of water to a plurality of samplers. A backpressure means controls pressure of water entering the sampler. A piston and cylinder is used to deliver water to the sample station at a rate prescribed by the external actuator.

Abstract: A process for separating suspended material from a fluid comprising flowing the fluid through a porous matrix. The porous matrix is elastically deformable and restrained at its outlet end. The flow rate is sufficiently large so as to produce non uniform deformation of the porous matrix and thereby a gradient of porosity in the direction of fluid flow. At least a part of the suspended material is separated by retention within the porous matrix. The porous matrix/fluid system has a self cleaning capability.

Abstract: A cellulose-containing separation media for effecting separation of particulate and/or molecular components from a liquid, wherein the cellulose in the separation media is essentially free of non-specific pyrogenic activity as measured by the LAL test. The separation media include filtration media and chromatographic media.

Abstract: A method of separating and recovering immunoglobulin G from biological fluids by liquid chromatographic or solid phase extraction processes utilizing, as the solid phase, a carboxylated form of silica gel or controlled pore glass bearing non-cross-linked covalently bound polyethylenimine functions.

Abstract: Water conditioner system control valve apparatus in which there is a water filter unit and a water storage tank. The control valve apparatus has a passage through which water flows to the water filter unit and a passage through which brine water flows from the water filter unit. The control valve apparatus also has a passage through which product water flows from the water filter unit. The control valve apparatus includes valve members for controlling flow of water through the passages thereof in response to pressure of water in the control valve apparatus.

Abstract: A multicartridge chromatography cartridge housing for use in supporting several chromatography cartridges in a parallel array is disclosed. A number of elongated cylindrical cartridge holders extend between a lower support plate and an upper support plate. Each such cartridge holder receives a chromatography cartridge which is held within the holder by suitable end caps and tie rods. Several truss rods serve to space the support plates from each other and to support the housing assembly. Fluid flow manifolds are secured to the lower and upper support plates and serve to distribute the fluid to, and consolidate the fluid received from the cartridges within the individual holders. The multicartridge chromatography cartridge housing in accordance with the present invention handles high fluid flow volumes with a small pressure drop and with a minimum hold up volume.

Abstract: A cylindrical horizontally extended vessel which receives a mixture of fluids of different densities. The separation of the fluids is provided a minimum of disturbance by the marine motions to which the separator system is subjected. The separating liquids of the mixture are isolated from marine movements by a compartment in the lower part of the separator which is check-valved to be maintained liquid packed. A table is formed above the compartment as a structure stabilizing the liquids so they may be separately withdrawn from the separator.

Abstract: The method of transfer of macromolecules such as nucleic acid and proteins from a chromatographic substrate to an immobilizing matrix uses as the immobilizing matrix, a charge modified microporous membrane comprising an organic microporous membrane having a charge modifying amount of a cationic charge modifying agent bonded to substantially all of the wetted surfaces of said membrane. The charge modified microporous membrane can also be a reinforced microporous membrane, preferably a porous reinforcing web impregnated with a polymeric microporous membrane. A nucleic acid or protein blotting product comprising a chromatographic matrix having the charge modified microporous membrane on a surface thereof is also provided.

Abstract: In order to make better use of tankers transporting oil from the oil-producing countries to oil-consuming countries, attempts have been made at transporting drinking water from the latter countries to the oil-producing. These attempts have been fruitless since it has been impossible to reduce the oil content to an acceptable value. By using a filter consisting of units (4) of foam plastic with perforated closed cells it has been possible to achieve values below that considered acceptable.

Abstract: A combination quick-disconnect female fitting adaptable for snap coupling to a corresponding male fitting connected to a tap water faucet, is provided which permits all the required attachments to a reverse osmosis (RO) water purifier to be made with the single snap coupling of the female fitting to the male fitting. Installation of the entire RO water purification system can be reduced to mere screwing of the male fitting to a tap water faucet and snap coupling the combination female coupling thereto. Separate lines for concentrate and overflow purified water from the water purifier to the combination female fitting and tap water therefrom to the water purifier can be conveniently manifolded into a sidearm section of the female fitting. The fitting is particularly useful for small RO water purifiers. There is also provided a single mechanism for simultaneously securely fastening three pieces of tubing to a fitting containing three nipples adapted to receive tubing.

Abstract: A ladder-like grate for use in drainage ducts, which grate includes a main surface portion and opposed, upright longitudinal edges extending along respective longitudinal sides of the main surface portion, is produced from two sheet metal components at least one of which is provided with slits and each of which is provided with supporting bars. One component is an inner component which includes longitudinal bars extending along opposite sides thereof. The other component is an outer component which includes angled longitudinal edge parts extending along opposite sides thereof. The components are assembled together with the inner component within the outer component, the longitudinal bars held in the longitudinal edge parts, and the supporting bars of the inner component resting against those of the outer component.