Abstract: Various embodiments provide for a filter assembly. The filter assembly includes a filter housing, a filter element, and a cover. The filter housing has a first housing end and a second housing end that define an internal cavity. The filter housing has a housing seal member formed on the second housing end. The filter element is disposed in the internal cavity. The filter element includes a filter media, an endplate, and a filter seal member. The filter media has a first media end and a second media end. The endplate is disposed at the first media end. The filter seal member is formed on the endplate. The filter seal member includes an inner seal portion and an outer seal portion. The filter seal member is configured to engage the housing seal member. The cover secures the engagement of the housing seal member and the filter seal member.

Abstract: An inline-type strainer including a drain line and a screen configured to be attachable to and detachable from a housing is provided. A screen is supported to be attachable to and detachable from a lid. A lid coupling mechanism that couples a housing and the lid when the lid is attached to the housing is provided between a bottom surface of the housing facing the filter chamber and a lower end of the lid. A lower discharge flow path is formed in a lower coupling element on a side close to the housing constituting the lid coupling mechanism, and an upper discharge flow path is formed in the upper coupling element on a side close to the lid constituting the lid coupling mechanism. When the lid is attached to the housing, a coupling state is established between the upper and lower coupling elements, and the upper and lower discharge flow paths communicate with each other, and thus a drain line is constructed.

Abstract: A filter is disclosed. The filter includes a sheet of filter media defining a body having an upper portion, a lower portion, a first end surface proximate the upper portion, a second end surface proximate the lower portion, and a first side surface extending between the first and second end surfaces. One or more of the upper and lower portions define a ledge, wherein the ledge defines a third end surface arranged between the first and second end surfaces, and a second side surface extending between the first and third end surfaces; and a seal disposed upon the ledge. A method for manufacturing the seal is also disclosed.

Abstract: A filter assembly includes a filter head and a filter cartridge. The filter head includes a filter head coupling surface, a filter head outlet, a filter head inner wall, and a filter head outer wall. The filter head coupling surface defines a filter head opening. The filter head outlet is configured to provide a fluid. The filter head inner wall extends around the filter head outlet. The filter head outer wall extends around the filter head inner wall. The filter head inner wall and the filter head outer wall collectively define a filter head channel. The filter cartridge includes a filter cartridge shell and a filter element. The filter cartridge shell has a filter cartridge coupling surface that is configured to be coupled to the filter head coupling surface. The filter cartridge shell defines a filter cartridge opening.

Abstract: Provided is a highly practical pressure vessel in which there is minimal inside diameter deformation even if openings in a center inlet/outlet part are large, and there is little pressure-induced elongation from a center to both ends.

Abstract: Disclosed is a shell-and-tube heat exchanger assembly, having: a first tubesheet configured for being secured to a shell of the shell-and-tube heat exchanger assembly, the first tubesheet including: a first section and a second section; the second section configured to be secured to a first shell end of the shell; and the first section including a plurality of holes configured to support a respective plurality of aluminum tubes extending through the shell, wherein the first section is configured to limit a galvanic response of the plurality of aluminum tubes when exposed to a chiller water.

Abstract: Liquid filter assemblies, features, components and methods are described. In general, a liquid filter cartridge is provided which includes features that help ensure that when the assembly is serviced, the cartridge positioned within the assembly is a proper one, in proper sealing orientation, for appropriate use. Features that can be used to provide for this include: a seal on the filter cartridge that defines a seal pattern non-orthogonal to a plane perpendicular to a central axis of the filter cartridge; and, a member of a projection/receiver arrangement on the filter cartridge which is orientated to engage a portion of a liquid filter assembly, for example a liquid flow collar, to allow sealing when the cartridge is a properly positioned cartridge and a properly configured cartridge. Assembly features are described. Also, a flexible radial projection arrangement providing snap-fit interaction between a cartridge and housing is provided. Methods of assembly and use as described.

Abstract: Disclosed is a fuel pre-filter module for pre-filtering fuel for internal combustion engines, including but not limited to internal combustion engines for light trucks, buses, construction, and agricultural machines. Also disclosed is a filter element for use in the fuel pre-filter module.

Abstract: A filtration system interconnection structure having manifold with a rotatable manifold magnet of correlated magnets, a shroud with alignment tracks, an actuating valve for water ingress, and a filter cartridge having a rotatable filter magnet of correlated magnets, where the manifold magnet and the filter magnet are in magnetic communication with one another when the filter cartridge is inserted with the shroud, and are at least partially rotatably compatible, where the manifold magnet rotates with the filter magnet until the manifold magnet experiences a rotational stop beyond a predetermined rotation of the filter magnet, thus allowing the filter magnet to shift polarity with respect to the manifold magnet and present a repulsion force for removal of the filter cartridge from the shroud.

Abstract: An oil filter for an oil filtration system. The filter is configured for insertion into an oil filtration unit. The filter comprises a central opening extending along a central axis of the filter, at least one second physical structure having a second cross sectional shape and a predefined longitudinal length in relation to the central axis of the filter, and an inner periphery of the second physical structure being arranged to mate with the outer periphery of the first physical structure allowing the filter to reach its correct insertion position in the oil filtration unit by the second physical structure at least partly surrounding the first physical structure. The end surface of the filter relative to the central axis of the filter comprises the second physical structure, and the second physical structure comprises a material configured to serve as a filtering material of the filter.

Abstract: Methods, devices and systems for treating liquid utilizing an in-line filter having a filter bag positioned within a cage contained in an exit sub-chamber of a housing, the exit sub-chamber isolated from an inlet sub-chamber by a baffle, and an end cap to alternatively seal the inlet sub-chamber so that in one mode the device may function as a screen having an exposed filter bag when the exit end of the device is connected to a suction side of a pump and in another mode as a closed vessel where the end cap is connected to a discharge of a pump or in a further mode where the exit end is connected to a suction side of a pump. The low profile, lightweight, inline filter device provides for versatility and a much needed filter device for two modes of connection to a suction side of a pump while also able to connect to a discharge side of a pump.

Abstract: A filter assembly includes a body of filter media, a seal, and a compression ring. The body of filter media having a first end surface, a second end surface spaced apart from and opposing the first end surface, and an outer surface extending between the first end surface and the second end surface. The seal surrounds the first end surface. The compression ring is disposed about the second end surface. The compression ring includes a first channel configured to allow fluid communication between the second end surface and the outer surface.

Abstract: Systems, devices, and methods of the present disclosure assist with management of tubes and hoses during surgical procedures. The systems, devices, and methods provide for the proper opening and closing of tubes to facilitate performance of steps in a surgical procedure. Systems, devices, and methods of the present disclosure control fluid delivery to and from a medical device, including devices for tissue processing and cleaning.

Abstract: A first plate of a filter element includes a first tubular portion having a substantially cylindrical shape that protrudes toward a lid member with the filter element inserted into a filter case. The first tubular portion includes first projections protruding outward in a radial direction. The lid member includes a second tubular portion inserted into a hollow portion of the first tubular portion. With the lid member attached to the first plate, the first projections are inserted into notches formed in ribs provided along an outer circumferential surface of the first tubular portion.

Abstract: A filter assembly including a filter housing having a longitudinal axis, the filter housing divided into a first filter chamber and a second filter chamber. The filter assembly further includes a first filter element and a second filter element. The first filter element includes a first element top endplate, a first element bottom endplate, and a first filter media positioned between the first element top endplate and the first element bottom endplate. The second filter element includes a second element top endplate, a second element bottom endplate, and a second filter media positioned between the second element top endplate and the second element bottom endplate. The filter assembly further includes a solid tube positioned between the first element top endplate and the second element bottom endplate.

Abstract: Various embodiments relate to a filtration system. The filtration system includes a housing having a drain. A filter element is positioned within the housing. The filter element comprises a first endplate and a second endplate. Filter media is positioned between the first endplate and second endplate. A dual lip seal member is coupled to the second endplate. The dual lip seal member includes a first protrusion that extends radially outward around an outer surface of the dual lip seal member. A second protrusion extends radially outward around the outer surface of the dual lip seal member. The dual lip seal member is configured to prevent fluid to be filtered from exiting the housing through the drain when the filter element is in an installed position. The dual lip seal member permits residual fluid to exit the housing through the drain when the filter element is displaced from the installed position.

Abstract: A filter for compressed air systems is provided. The filter includes a filter housing with a filter therein between an air inlet and an air outlet. Compressed air flowing between the air inlet and the air outlet passes through the filter housing and the filter element. A base is removably fastened to the filter housing which may be separated from the filter housing to allow the filter element to be removed and replaced.

Abstract: An oil filtration assembly is described herein comprising a container having an upper end portion and a lower end portion, an oil reservoir formed on the lower end portion of the container, and a removable oil filter subassembly integrated with the upper end portion of the container. The subassembly comprises a filter housing including an inlet configured to receive oil and a filtered oil outlet configured to permit an outward flow of oil into the oil reservoir, a filter contained in the housing and disposed between the inlet and the filtered oil outlet, and a top component configured to be removed for replacement of the filter. The oil filtration-reservoir assembly further includes an inlet service valve, an oil outlet service valve and at times a service valve for the vent line. Corresponding systems and methods also are disclosed.

Abstract: A round filter element of a filter for a urea-water solution has a filter bellows with a filter medium that continuously extends circumferentially, relative to a filter element axis, around an element interior. An end body is fastened to an end face of the filter bellows and provided with a connecting section for fastening the round filter element to a housing cover of a filter housing of the filter. The end body has a central opening communicating with the element interior. The central opening has a central insertion section for receiving a flexible separation section of a volume compensation device of the filter and has an outer flow-through section enabling flow of the urea-water solution out of the filtration volume or into the filtration volume. The filter has a volume compensation device with a flexible separation section that separates a compensation volume from the filtration volume of the filter.

Abstract: A protruding portion is formed on an inner tube inserted into a hollow portion of a filter medium so as to protrude upward from a flange portion. The flange portion having a substantially circular plate shape is disposed on a lower side of a second plate. A recessed portion into which the protruding portion is inserted is formed on a surface on a lower side of the second plate provided so as to cover an opening at a lower end of the filter medium.

Abstract: A filter element of a filter for liquid, a drainage closure element, a housing part, and a filter are described, wherein the filter element has a filter medium which continuously surrounds circumferentially an element interior relative to a virtual axis and is connected to an axial end body. The end body is provided with a filter element drainage opening surrounding the axis and communicating with the element interior. A filter element sealing surface or filter element seal surface of a filter element sealing device is provided at the end body and continuously surrounds circumferentially the filter element drainage opening. The filter element drainage opening is closed by the filter element sealing device when the filter element is mounted in the filter housing of the filter. The filter element sealing surface or filter element seal surface is axially oriented with at least one direction component relative to the axis.

Abstract: Various embodiments provide for a filter assembly. The filter assembly includes a filter housing, a filter element, and a cover. The cover includes a first cover end and a second cover end disposed axially away from the first cover end. A second coupling member is adjacent to the second cover end. The second coupling member is configured to engage a first coupling member to couple the cover and the filter housing. A biasing member is coupled to the first cover end. An interface plate is configured to press against a first endplate of the filter element to secure the engagement of a first engagement portion of a filter seal member of the filter element and a second engagement portion of a housing seal member of the filter housing.

Abstract: A filtration assembly includes a housing. The housing includes a first housing for fluid and a second housing opening for fluid. A containment cover is removably coupled to the housing. The containment cover defines a cover opening, a cover surface, and a flow passage. The cover opening is in fluid communication with the housing. The cover surface is substantially continuous around a circumference of the containment cover. The cover surface includes an open portion in fluid communication with the second housing opening. The flow passage is formed by a first passage surface and a second passage surface. The flow passage includes a first end in fluid communication with the cover opening. A second end is in fluid communication with the second housing opening through the open portion of the cover surface. The flow passage extends radially outward from the cover opening.

Abstract: A filter element including a first endplate, a second endplate, filter media fitted between the first endplate and the second endplate, the first endplate including an opening that allows a working fluid to flow into or out of the filter media, the filter media allowing the working fluid to be filtered through the filter media and a seal member having an oval profile disposed on the first endplate and configured to seal with a filter housing, the seal member including an inner perimeter and an outer perimeter including a plurality of outwardly curved surfaces.

Abstract: An adaptor plug for a spin-on fluid filter, in particular for a spin-on return filter, wherein the adaptor plug comprises a plug-in end which is designed to be plugged into a cavity in a flange of a hydraulic device in a fluid tight manner and a filter end which is designed to be connected to the spin-on filter in a fluid tight, detachable manner and at least one internal fluid channel connecting said plug-in end with said filter end, wherein the adaptor plug at its filter end comprises a threaded tube or bolt on which the spin-on filter can be screwed. By this design, the use of a filter set with or without an adaptor ring between the adaptor plug and the filter is enabled. By the adaptor plug, the spin-on filter can be applied to a variety of hydraulic devices, among others, with a ¾ 16 UNF cavity.

Abstract: A filter arrangement for threadably securing to a filter head includes a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume and an end opposite of the open mouth. The surrounding wall has an exterior and an interior. A filter media construction is operably held within the interior volume. A sleeve, distinct from the housing, is secured to the exterior of the surrounding wall adjacent to the housing mouth and extending partially along the surrounding wall. The sleeve has an exterior and an interior. The exterior of the sleeve defines mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head. The interior of the sleeve is against the exterior of the surrounding wall. A first seal member is oriented against the sleeve to create a seal with a filter head, when the filter arrangement is secured to the filter head.

Abstract: A customizable multi-stage fluid treatment assembly typically includes a connector, a plurality of cartridges, and a cap. The plurality of cartridges have a treatment medium spaced within an interior volume of the individual cartridges, between the ends thereof. The ends of the plurality of cartridges are configured to receive a fluid, bring the fluid into operative contact with the treatment medium, and dispense the fluid from the opposing end of the cartridge. The connector is coupled with one end of the plurality of cartridges and has an inlet and an outlet for receiving and dispensing the fluid to and from an appliance. The cap is coupled with the other end of the plurality of cartridges, enclosing the fluid treatment assembly, which is configured to be received in a cavity of an appliance. The cartridges of the plurality of cartridges may be individually replaced with cartridges to meet customized needs.

Abstract: A filter system for liquid has a filter head with drainage channel and stop element. A filter cartridge is mounted by screw-in movement at the filter head and has a support ring rotatably fastened to its housing part. The support ring has an eccentric closure element and a first positioning element guided toward the stop element by the screw-in movement to position the support ring at the filter head in a rotational position for axially aligning closure element and drainage channel. The closure element is transferred axially into a sealing seat at the filter head to close the drainage channel when screwing on the filter cartridge. The support ring has a second positioning element holding the support ring in a rotationally fixed position at the filter head when unscrewing the filter cartridge so that the closure element is moved out of the sealing seat only in an axial direction.

Abstract: A water treatment system is provided with an untreated water reservoir having a cavity through which a filter assembly may traverse such that untreated water in the cavity passes through the filter assembly into a treated water reservoir. Removal of the filter assembly may be facilitated by a seal disengagement element operable to unseat a seal formed during efforts to direct untreated water through the filter assembly.

Abstract: The present invention relates to a filtering assembly (1) for filtering at least one fluid circulating in particular in an engine or a hydraulic device, comprising: a filter body (2), which comprises a vessel (3) and a head (4), the vessel (3) and the head (4) being provided to engage with one another in order to close the filter body (2), in particular by screwing; a tube (15), in particular a central tube, which is inside the filter body (2) and extends along a longitudinal axis (X); a removable filtration cartridge (16,) which is accommodated in the filter body (2) and includes an upper end plate (20), a lower end plate (21) and a filtration medium (22) which extends between the upper (20) and lower (21) end plates, the filtering medium (22) having a tubular opening (17) for surrounding the tube (15), characterized in that the upper end plate (20) comprises first reversible rigid-connection means (25) and in that the vessel (3) comprises second reversible rigid-connection means (26) which are complementary

Abstract: Provided herein are methods for the collection and amplification of circulating nucleic acids from a non-celluar fraction of a biological sample. Circulating nucleic acids are extracted from the non-cellular fraction and are circularized to generate single-stranded nucleic acid circles, which are then subsequently amplified by rolling circular amplification using random primers to produce an amplified library. Devices for the collection of a non-cellular fraction from a biological sample are also provided. The device includes a filtration membrane and a dry solid matrix, which is in direct contact with the filtration membrane.

Abstract: A filter element includes: a filter medium having an axis and forming an axial channel; a first and a second end plates, each end plate covering one axial end of the filter medium and being sealingly mounted on the axial end, the first end plate having an central opening coaxial and in fluid communication with the channel; the filter element being designed to be placed in a filter housing for forming a liquid filtering device, whereby a liquid to be filtered can flow along a liquid path through the filter medium towards the channel and out of the filter element through the central opening. The filter element further includes further includes a detachable plug whose position can change from an attached position to a detached position.

Abstract: Filter housings that have housing wall surface irregularities are described. The surface irregularities are positioned on the inner walls of the housings and/or axial ends of the housing walls. The surface irregularities may be, for example, grooves, ribs, bumps, and the like. The surface irregularities provide an engine integrity protection (EIP) feature by preventing non-approved replacement filter elements from forming seals against alternative sealing surfaces of the housing wall inner surfaces or axial ends.

Abstract: A filter assembly for a fresh air filtration system, the fresh air filtration system made therewith, and a method of filtering fresh air are provided. The filter assembly includes a filter housing and at least one filter element supported within the housing, the housing having at least one inlet for receiving a fluid to be filtered and at least one outlet for discharging filtered fluid, wherein the at least one inlet and at least one outlet are on a common side of the housing.

Abstract: The descriptions relate to preventing assembly of a fluid filter apparatus unless a filter cartridge is installed, and preventing assembly of a fluid filter apparatus if the incorrect filter cartridge is installed. A mechanism includes cooperation of a movable member and a structure that can move the movable member to ensure that a fluid filter apparatus cannot be completely assembled, for example connecting its filter head to its shell, when there is no cartridge installed inside the shell or when there is an attempt to install an incorrect cartridge. This can protect from an inadvertent or intentional failure to install a cartridge (or correct cartridge) in the fluid filter apparatus.

Abstract: In order to effect a seal a porous material which comprises one side of two opposing surfaces is used to restrict and evenly distribute externally pressurized gas, liquid, steam, etc. between the two surfaces, exerting a force which is opposite the forces from pressure differences or springs trying to close the two faces together and so may create a non-contact seal that is more stable and reliable than hydrodynamic seals currently in use. A non-contact bearing is also disclosed having opposing surfaces with relative motion and one surface issuing higher than ambient pressure through a porous restriction, wherein the porous restriction is part of a monolithic porous body, or a porous layer, attached to lands containing a labyrinth, the porous restriction and lands configured to not distort more than 10% of a gap created from differential pressure between each side of the porous restriction.

Abstract: An oil filter element has first and second end disks between which an annular filter medium is held. The oil to be filtered flows through the filter medium in a direction radial to the longitudinal axis of the oil filter element. The oil filter element has a central channel arranged on the clean side and provided with a central outlet opening in the region of the first end disk. A radial sealing element, formed by an elastically deformable inside circumferential section of the first end disk, is arranged in the region of the outlet opening. In addition, an axial sealing element is arranged on the outside of the first end disk. This axial sealing element is held on the first end disk by retaining elements. An oil filter having such an oil filter element is provided.

Abstract: A filter cartridge having an endplate formed of polyurethane having a varying hardness is described. A first portion of the endplate is harder than a second portion of the endplate. The first portion of the endplate helps support the filter media of the filter element and maintain the shape of the filter element. The second, softer portion creates a seal between the filter element and a filter housing when the filter element is installed in the filter housing. The first portion and separate portions may be formed from different types of polyurethane or from the same type of polyurethane having a varying composition as a function of the radial distance of the endplate.

Abstract: A fluid filter insert for a fluid filter having a filter housing, a cover and a central standpipe with a locking device preventing a closing of the cover, comprising a hollow cylindrical filter material body, two end plates enclosing said filter material body at its ends, at least one protruding member carried on the filter insert. The filter insert is configured to be placed onto the standpipe, and the protruding member of the filter insert, when the filter insert is placed onto the standpipe, is configured to actuate the locking device in an unlocking direction and allowing a complete placing of the filter insert. When the filter insert is placed onto the standpipe, the protruding member is brought into engagement with the locking device, wherein the locking device is moved in the unlocking direction by the protruding member.

Abstract: A fluid conditioning unit is provided that includes a housing, a cap, a cartridge device, and a filter cartridge. The cap is threadably secured to and unsecured from the housing by rotation about an axis of the housing. The cap forms a removable seal with the housing when secured thereto. The cartridge device is secured to the cap in a manner that restricts movement of the cartridge device with respect to the cap along the axis but allows rotation of the cartridge device with respect to the cap about the axis. The filter cartridge is removably secured to the cartridge device and is disposed in the housing along the axis.

Abstract: A filter arrangement for threadably securing to a filter head includes a housing having a surrounding wall defining an interior volume, an open mouth providing access to the interior volume and an end opposite of the open mouth. The surrounding wall has an exterior and an interior. A filter media construction is operably held within the interior volume. A sleeve, distinct from the housing, is secured to the exterior of the surrounding wall adjacent to the housing mouth and extending partially along the surrounding wall. The sleeve has an exterior and an interior. The exterior of the sleeve defines mounting threads constructed and arranged to removably mount with the filter head, when the filter arrangement is secured to the filter head. The interior of the sleeve is against the exterior of the surrounding wall. A first seal member is oriented against the sleeve to create a seal with a filter head, when the filter arrangement is secured to the filter head.

Abstract: A metal end cap seal for sealing against resent invention relates to seals within a fluid system. The metal end caps of the seal include protrusions or nibs on the terminal ends of the caps, providing for reduced friction during installation and use. The seal may also include a base elastomer and an insert elastomer, the base elastomer and insert elastomer having different material properties from one another. The insert elastomer is selected to reduce friction with a sealing surface.

Abstract: An insert block half for sealing around a cable, pipe or wire. The insert block half comprises: a body with a first and a second end, a first side intended to be arranged towards a substantially identical insert block half, and a semi-circular groove arranged in said first side and extending between the first and second end; and a reinforcement element having a shape corresponding to the shape of the semi-cylindrical groove and arranged to enclose the groove.

Abstract: The present invention generally relates to filtration, and more particularly to filter assemblies including filter housings, filter elements and safety filter elements for filtering flowing fluid such as air.

Abstract: An adsorption carrier-packed column includes a central pipe, adsorption carrier, plate A, and plate B, wherein an insertion material C is inserted between the adsorption carrier and the plate A; an insertion material D is inserted between the adsorption carrier and the plate B; the ratio of the deformation rate of the insertion material C (C1) to the deformation rate of the adsorption carrier (E0) is 1<C1/E0<10, and the ratio of the deformation rate of the insertion material D (D1) to the deformation rate of the adsorption carrier (E0) is 1<D1/E0<10; and the ratio of the thickness of the insertion material C (TC) to the distance of a gap between the adsorption carrier and the plate A (LA) is 1.1<TC/LA<4, and the ratio of the thickness of the insertion material D (TD) to the distance of a gap between the adsorption carrier and the plate B (LB) is 1.1<TD/LB<4.

Abstract: A convertible filtration system for use with cartridge filters and bag-type filters for filtering contaminated fluids comprising a filtration system housing, a base attached to the filtration system housing, and a lid mechanism for generating sealing pressure between the lid mechanism and the filtration system housing. The filtration system housing includes a basket support flange and an integral basin for accommodating both cartridge and bag-type filters. When fluid is introduced into the filtration system housing through one or more fluid inlet ports, the basket support flange and integral basin additionally serve to prevent contaminated fluids from contaminating any filtered fluids that exit the filtration system housing through one or more fluid outlet ports.

Abstract: An oil filter element has first and second end disks between which an annular filter medium is held. The oil to be filtered flows through the filter medium in a direction radial to the longitudinal axis of the oil filter element. The oil filter element has a central channel arranged on the clean side and provided with a central outlet opening in the region of the first end disk. A radial sealing element, formed by an elastically deformable inside circumferential section of the first end disk, is arranged in the region of the outlet opening. In addition, an axial sealing element is arranged on the outside of the first end disk. This axial sealing element is held on the first end disk by retaining elements. An oil filter having such an oil filter element is provided.

Abstract: The present invention relates to a filtration means (10) for the filtration of liquid media having a housing (12) and at least one filter element (16) arranged in said housing (12), wherein at least one of said filter element (16) at at least one axial end has a laterally outwardly extending flange (24), which is connected to said housing (12) forming a seal. Said flange (24) has a conical surface (25) projecting outwardly which interacts with a complementary conical surface (27) of a gasket (26) which is arranged between said flange (24) and said housing (12).

Abstract: A separation container includes a separation tube receiving a sample therein, a first sedimentation part connected to an end portion of the tube, a particle in the sample being deposited by a centrifugal or agitating force, and a separating part provided in the tube and including at least one separating layer which selectively opens and closes the tube.

Abstract: Z-filter media pack arrangements and methods for providing them are described. The preferred arrangements have a cured-in-place jacket around an outside of a coiled z-filter media combination. The preferred cured-in-place jacket is a mold-in-place overmold which includes, integral therein, a housing seal arrangement. Preferably a cured-in-place center core is used, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.