Abstract: A tubular body having an open and closed ends is provided for loosely receiving a conventional screw-on oil filter therein. The tubular body open end is structured to form a fluid tight seal with the outwardly facing surface of a filter mounting location and the tubular body includes a circumferentially extending zone which is accordion pleated and yieldingly axially compressible. The inner surfaces of the tubular body, at the closed end thereof, are structured to at least reasonably non-slip engage the outer surfaces of the closed end of a filter disposed within the tubular body whereby rotational torque applied to the closed end of the tubular body will be transferred to the filter. The open end of the tubular body is provided with a removable cover and the covered tubular body may comprise a container for marketing a new oil filter and thereafter containing a used oil filter for facilitating disposal thereof.

Abstract: A fluid coupling including a coupling base with a fluid passage therethrough, and a rotatable fluid line supporting bracket. The bracket is adjustable depending on the direction of fluid line approach, and is fixable once a desired configuration is determined. The fluid coupling base includes an annular groove in which the pipe support bracket is rotatably engaged. The bracket may be crimped once a desired configuration is obtained, thus fixing the bracket in position on the coupling base to support the fluid line.

Abstract: A water absorbent device for a fuel tank that has a permeable housing through which a liquid passes. Within the permeable housing is a permeable container through which liquid passes. Water absorbing material is contained within paper bags that are disposed within the permeable container for absorbing water within the fuel tank. The permeable container is removably disposed in the housing. At least one end of the housing is an open end, which is closed by a cap for retaining the removable container within the housing. The cap is removed to enable the container to be removed from the housing for replacement. A chain is attached to the housing for placing the housing into the fuel tank and for removing the housing from the fuel tank.

Abstract: A filtering system for water treatment including a head member having inlet and outlet ports and a replaceable, disposable filter cartridge for insertion into the head member, the filter cartridge including a dual lug retaining system for retaining the filter cartridge in the head member, one of said lug retaining systems being disposed on the pressure vessel of the filter cartridge and the other of said lug retaining systems being disposed on the closure member of the filter cartridge.

Abstract: A liquid flow blocking device for use during flushing of the crankcase of an internal combustion engine is disclosed including a plastic disk-shaped member having a central aperture through which the threaded pipe portion of a spin-on oil filter mounting assembly is received, after which a filter is mounted to retain the disk-shaped member adjacent the mounting assembly. Alternatively, a semi-spherical blocking device threadedly mounts to the mounting assembly, replacing the filter. Each device blocks external flow of liquid between oil outflow and inflow passages of the mounting assembly, therby causing flow of liquid through an internal filter bypass valve within the filter mounting assembly. A method of flushing an engine crankcase is disclosed using such a blocking device.

Abstract: A device for discharging bubbling streams of water into a bath. The device has a main float and a subfloat mounted on top of the main float so as to be floatable in the water in a bathtub and movable up and down with the change in the water level. The hot water in the bathtub is sucked up into the device from its bottom by a pump driven by a motor, the pump and the motor being mounted in the main float. The water drawn into the device is filtered by means of a strainer and sent up to the top of the device through a cylindrical space formed around the motor and passed through a plurality of injection nozzles, where air is mixed into the water to form bubbling streams, and through a plurality of downwardly angled discharge ports into the bathtub under the surface of the water.

Abstract: An engagement member, which is detachably securable to the liquid outlet nipple of a filter receiving fitting, is movably carried by a filter housing which also carries an annular seal which resides against the sealing surface of the fitting. An actuating rod extending from the engagement means is received at one end of a lever which is pivotally secured to the housing. In response to movement of the lever, the housing moves relative the engagement member and the seal is separated from the sealing surface.

Abstract: A skim net assembly having an open frame with a number of sides, and a web coupled to the frame at one of the sides. The net is secured in some suitable manner to the frame in alignment with the central opening through the frame so as to trap and collect debris as the skim net assembly moves in the water of debris-containing water in a forward or lateral direction. The cross section of three sides of the frame is blade-like in configuration; thus, the three sides permit a shovel-like action when cleaning a swimming pool which allows debris to be more effectively forced into the net when the assembly is being pushed over the bottom or moved laterally over the bottom surface of a swimming pool. A pole is coupled to the frame in a manner such that the pole is adjustably mounted on the frame for angular movement into any one of a number of operative positions.

Abstract: A bottom aquarium filter for an aquarium tank including a substantially cylindrical container having an inwardly directed concave forward wall. A grill wall is removably coupled onto the concave forward wall and defines therewith an inlet chamber. A removable L-shaped insert member includes a substantially circular perforated platform wall and an upstanding convex partition wall. The platform wall spacedly sits on the bottom of the container and defines with the container a filtration chamber above the platform and a clear water chamber beneath the platform. The partition wall mates in opposition against a rear peripheral section of the circular wall of the container and defines therewith an air lift chamber. A removable cover mounts onto the container and includes a mouth aligned with the air lift chamber. The cover serves to retain all of the members in unitary assembly.

Abstract: The present device includes a recoiling roll of screening in a shape of an elongate rectangular web which is affixed to a vertical, rotatable spool at one end and a wand collar at the other. The screen roll is vertically oriented on a mounting frame which is affixed to the side of the pool, preferably adjacent to the automatic skimming water trap. The device may also include an outer canister with wiper brushes for wiping away debris which has been accumulated on the screening as it is retracted.

Abstract: A cassette has a foraminous lower portion which is shaped to receive a button or pellet of agar and is capable of being placed in the bottom of a fluid container for use in a centrifuge. After the cassette portion is placed in the container, a fluid containing cells is poured in the container which is then centrifuged causing the cells to adhere to the agar. The fluid is then poured out, the cassette lower portion removed from the container and an upper foraminous cassette portion is used to cover the lower portion and enclose the agar with adhered cells.

Abstract: A skimming device for a swimming pool includes an elongated rectangular frame having a screen extending within the area bounded by the frame. A telescoping elongated handle is connected to the frame and extends in the same plane as said frame but outwardly therefrom. The angle of the handle can be adjusted to extend upwardly and outwardly from the frame thereby allowing a person to hold the handle while suspending the device in an in-ground swimming pool to thereby skim the surface of the water as he or she walks around the edge of the pool. The handle can also be adjusted to extend directly outwardly from the upper part of the frame so that the handle can rest on the upper edge of an above ground pool as the skimming device skims the surface of the water.

Abstract: A plastic relief valve assembly is provided having a one-piece valve body, with a sleeve portion and a slotted portion, and a valve. The slotted portion includes a plurality of radially disposed inlets. The valve includes an axial portion and a radial portion. The radial portion extends angularly over the radial inlets in a seated position and the axial portion extends into the valve body for quick connection therewith by a groove and rib combination provided on the valve and valve body, respectively. The radial portion of the plastic valve is flexible, and the valve opens when fluid pressure reaches a predetermined level. A plastic antidrain valve is also connected to the valve body. A fluid filter incorporating the combined plastic relief valve assembly/antidrain back valve is also provided.

Abstract: A filter system including an elongated cylindrical vessel body having a flow inlet connected to inlet conduit, a flow outlet connected to an outlet conduit, a closed end, and a movable cover member. The conduits are adapted for respective connection to control valves. A hinge connects the cover member to the vessel body for pivoting the cover member from closed position to open position. A solids separator element disposed within the body has a hollow porous member attached about periphery of a support ring. The support ring has an annular flat surface abutting an annular flat surface of the support flange. An arcuate resilient spring is connected to opposite sides of the support ring and extends to be forcefully deformed against the inner side of the cover member when cover member is closed.

Abstract: A portable assembly of components that is designed to produce sterile, intravenous solutions and water for injection in the field, under combat conditions and from various sources of raw feedwater. A single frame supports the components of the invention consisting of a pair of manually operated pump handles, a peristaltic pump to which is engaged an inlet feed tube. The device has the ability to suck water from available feedwater sources or from a reserve bottle designed to hold a variety of liquids that may be introduced therein from any available source. Feedwater is pumped into the base of a filter module containing a coarse filter combined with a reserve osmosis filter for an initial prefiltering of the water. Purified water then passes through a carbon exchange column and subsequently an ion exchange column. At this point, ultrapure water is then passed through a sterilizing filter from which it passes through an IV spike in the form of sterile, non-pyrogenic water for injection.

Abstract: A filter includes a housing which removably receives a filter cartridge adapted to remove fine and coarse debris from water flowing therethrough. The filter is removably mounted in a skimmer well of a swimming pool in place of a conventional strainer basket. The interchangeability of the filter and the strainer basket permits them to be used selectively such that the strainer basket can be used during a pool skimming operation and the filter can be used during a pool vacuuming operation.

Abstract: The invention relates to a device for taking liquid from a reservoir by inward suction with simultaneous filtration, comprising a flexible tube having at one end a filtering unit, which can be immersed in the liquid through an opening in the reservoir, and having a mouthpiece at its other end. The mouthpiece is connected to the tube in a sealing manner via a flexible hollow member which forms an internal connection between tube and mouthpiece, and before use of the device the mouthpiece may be enveloped hygienically by a detachable protective cap.

Abstract: Duplex filter apparatus suitable for pressure or suction applications includes dual filter housings and a central valve housing having dual, cylindrical, three-way plug valves. Four glass-filled Teflon sleeve seals, each having an inner cylindrical cut edge conform to the valve periphery and seal the valve openings in either a pressure or suction configuration. A wave spring biases each sleeve seal against the plug valve and further o-ring seals utilize the pressure or suction condition to enhance the effectiveness of the sleeve seals. In the pressure configuration a tubular support is used in conjunction with the sleeve seal with the wave spring acting either directly on the sleeve seal or indirectly through an intermediate metal ring which houses the o-ring seals and which minimizes thermal expansion effects.

Abstract: A fluid filter having a deformable filter body containing a myriad of filter passageways which may be enlarged to clean the filter by deforming the body. The presently preferred filter embodiment has a fluid permeable filter mass comprising a compact mass of pliant filter elements, such as pliant strands or strips, extending radially outward from the turns of an elastically deformable helix which has a normal axially contracted configuration wherein the helix forms an outlet passage extending longitudinally through the helix and communicating with a myriad of filter passageways extending through the filter mass and which helix is axially stretchable to enlarge the filter passageways for cleaning. A filter assembly including a filter tank containing the deformable fluid filter and having a removable cover for accessing the filter for cleaning.

Abstract: A retractor handle is attached to the retraction end of a core wound permeator or filter module for withdrawing the module form its containment housing without requiring special tools. The retraction handle can be a resin pull ring flexibly attached to a flange of a plug that closes the retraction end of the core of the permeator or filter module. The retraction handle can also be a wire pull ring having ends seated in sockets formed in a plugged end region of the core.

Abstract: An oil reconditioning device includes a housing with a tightenable lid, a smooth walled chamber in the housing containing a compressible filter, a hollow, convex frustoconical element in the upper portion of the chamber having a plurality of upstanding columns for engagement by the lid when it is being tightened and firmly secured to the housing to cause increasingly a compressive force to uniformly compact the filter. The compacted filter rests on a horizontal conduit having a centrally located termination in the form of a vertical nozzle with laterally directed passages to direct oil laterally into a cavity formed in the lower surface of the filter. A small space below the filter and the bottom of the housing is connected to an outlet from which water may be drained.

Abstract: A separating device for separating a pair of immiscible components from a fluid mixture, such as separating water from a diesel fuel oil/water mixture, includes a housing and a filter cartridge mounted on the housing such that the filter cartridge is oriented substantially horizontally. The housing includes an inlet fitting, an outlet fitting, and a sump for receiving the fluid component separated from the mixture. Because of the orientation of the housing, the coalesced water or heavier component of the fluid mixture tends to collect in the lower portion of the filter cartridge and drains into the sump, where it may be drained periodically. The lighter component or fuel oil is communicated to the outlet port or fitting.

Abstract: Spin on disposable filters are useful in removing contaminants from the fluid of fluid systems. Preventing axial elongation of the filter due to fluid pressure therein requires the use of thicker elements, thereby increasing the manufacturing cost. The subject twist or disposable filter includes a twist-lock connector device which captures a portion of a housing between interconnected members of the twist-lock connector device. The twist-lock connector device is adapted for axial sealing engagement with a mounting device and minimizes the area of imbalance, thereby minimizing the forces tending to cause axial elongation of the filter. This permits the use of less expensive materials therein and simplifies the manufacturing procedure.

Abstract: A filter comprises a housing and a filter body including a plurality of grooved filter discs supported in stacked relation on a plurality of rods extending longitudinally of the housing, the rods being supported at their opposite ends by the housing and being disposed in an array around the housing longitudinal axis with spaces between the rods to provide large passageways for the flow of the fluid. The filter further includes a stack--removing member disposed at one end of the filter discs, and a handle to facilitate drawing the filter discs out of the housing, when opened for cleaning purposes, without breaking the stack.

Abstract: A horizontal mixing aerator rides on a upright mast or beam for submersion in a body of liquid such as a sewage equalization basin, oxidation ditch or sludge holding tank. The aerator has a submersible mixer motor driving a propeller which is mounted to the beam by a slidable bracket arrangement for height adjustment. The bracket is also swingably mounted to the beam for adjustment of the vertical plane angle and the beam is rotatable for azimuth changes in the direction of liquid flow. A lower bracket stop includes vibration reducing elements. An upper azimuth lock also includes vibration reducing elements. The locking parts have a high co-efficient of friction.

Abstract: A method of removing a self-retaining filter bag from a filter housing by flexing the upper margin of the bag to free the bag from the housing and then withdrawing the bag from the housing.

Abstract: Described is a process for removing arsenic, vanadium, and/or nickel from petroliferous derived liquids by contacting said liquid at an elevated temperature with a divinylbenzene-crosslinked polystyrene having catechol ligands anchored thereon. For vanadium and nickel removal an amine, preferably a diamine is included.Also, described is a process for regenerating spent catecholated polystyrene by removal of the arsenic, vanadium, and/or nickel bound to it from contacting petroliferous liquid as described above and involves:treating the spent polymer containing any vanadium and/or nickel with an aqueous acid to achieve an acid pH; and,separating the solids from the liquid; and thentreating said spent catecholated polystyrene, at a temperature in the range of about 20.degree. to 100.degree. C. with an aqueous solution of at least one carbonate and/or bicarbonate of ammonium, alkali and alkaline earth metals, said solution having a pH between about 8 and 10; and,separating the solids and liquids from each other.

Abstract: A quick release cover assembly for a cylindrical liquid filter housing which includes an outer cover plate pivotally mounted on the filter housing, an inner cover plate having a beveled cylindrical side wall and being carried by the outer plate and an O-ring which is disposed about the beveled wall of the inner plate adjacent the under side of the outer plate. A plurality of locking dogs are carried by the upper surface of the outer plate which are adapted to be inserted and rotated within a corresponding plurality of L-shaped slots adjacent the open end of the filter housing. A threaded fastener is provided for drawing the inner and outer plates together upon the locking dogs being so disposed within the slots in the housing so as to press the O-ring outwardly against the interior wall of the filter housing thereby releasably sealing the cover assembly to the housing.

Abstract: A combination skimmer and filter apparatus for filtering water drawn from the surface of a water-filled spa is disclosed. The apparatus includes a housing that is attached to a side wall of the spa, a filter positioned within the housing, a strainer basket that is positioned within the housing and above the filter, an access door that is releasably coupled to the housing and that opens for access to the filter and strainer basket, and a weir plate that is pivotably coupled to the top of the access door.

Abstract: A quick release apex apparatus for a cyclone includes a semirigid cast urethane, neoprene/fiberglass, or plastic housing having a liner chemically bonded to the interior of the semirigid housing. The semirigid housing includes an integral splash skirt and an upper annular flange for clamping the apex to the bottom flange of a cone of the cyclone. A quick release split ring clamp has a first section bolted to the flange of the cone and a second section pivotally connected to the first section. A single worker can change a worn apex of large cyclone by using one hand to hold the apex in its proper position and the other hand to release the second section of the quick release clamp and swing it away from the apex flange. The worker then removes the worn apex, sets it aside, lifts a replacement unit into alignment with the cone, swings the second section of the quick release clamp closed and locks it.

Abstract: A device filters impurities such as iron oxides contained in a water supply. The device includes a container having an open top end, a filter assembly housed in the container and a lid member closed over the open top end of the container. The container is partitioned into an intake chamber, a discharge chamber and an overflow passage. The lid member includes an adjusting member in contact with the filter assembly to adjust and maintain the filter assembly at a correct position within the container. The filter assembly also includes a handle member to enable a user to remove and reinsert the filter assembly from and into the container, respectively.

Abstract: A water filter for use inside of an aquarium which is characterized by the fact that filter cavity housing is removably attached to a sleeve unit which is in turn attached to the inside wall of the aquarium. When the filter material in the filter unit must be changed, the filter cavity housing may be removed from the sleeve unit which remains attached to the wall of the aquarium. The water current generating mechanism of the filter unit is also connected to the sleeve unit so that it does not have to be disconnected when the filter material is changed. The filter unit of the present invention is adapted for use with a cartridge type filter material in a preferred embodiment of the invention.

Abstract: A reverse osmosis water purification device for attachment to a kitchen faucet or the like employs a substantially leak-proof, two-piece pressure vessel containing a readily replaceable reverse osmosis module. In the preferred embodiment, a handle is provided on the module to facilitate removal thereof from the pressure vessel. Also in the preferred embodiment, carbon-felt disks are provided to provide filtering for water after the water has been purified by reverse osmosis membranes.

Abstract: A dual filtering apparatus for filtering deep fat frying vat oil includes a remote filtering screen attached to a tub by a flexible conduit for conveying oil and includes a fine filtering assembly that is at least partially provided within the upper chamber of the tub to further treat the oil from the remote filtering screen.

Abstract: A plurality of aerators are arranged in a preselected pattern on the floor of a basin or lagoon containing waste water. Compressed air is supplied to the aerators by aeration pipes anchored by hanger brackets to the floor of the basin. Each aerator has a porous diffuser plate through which the air is passed and released into the waste water in the form of ultra fine air bubbles less than 60 microns in diameter. The air bubbles are generated in an intense manner with a high rate of air flow to increase the mixing action and liquid circulation pattern, and to create turbulent boils at the surface which provide surface aeration from atmospheric air and re-entrainment of air from eddy current circulation.

Abstract: A plug and filter assembly for a paint sprayer is characterized by a hand turnable knob that is rotatably coupled to a sealing plug to reduce the torque needed to install or remove the assembly from a paint head by axially advancing the plug into or out of an O-ring seal without having to turn the plug in the O-ring. The rotatable coupling is effected by a fastener having a head and a cylindrical shank portion which is received in an oversized central axial bore in the knob. The cylindrical shank portion has a diameter greater than that of a threaded end portion of the fastener secured in the plug and thus defines a shoulder which engages an axial end face of the plug positively to fix the axial spacing between the fastener head and plug to a distance greater than the axial length of a portion of the knob axially trapped between the fastener head and plug for free nonbinding rotation of the knob.

Abstract: A quick release apex apparatus for a cyclone includes a semirigid cast urethane, neoprene or rubber apex with an integral splash skirt and an upper annular flange for clamping the apex to the bottom flange of a cone of the cyclone. A quick release split ring clamp has a first section bolted to the flange of the cone and a second section pivotally connected to the first section. A single worker can change a worn apex of even a large cyclone by using one hand to hold the apex in its position and the other hand to release the second section of the quick release clamp and swing it away from the apex flange. The worker then removes the worn apex, sets it aside, lifts a replacement unit into alignment with the cone, swings the second section of the quick release clamp closed and locks it. An outer portion of the apex assembly is ribbed. An adjustable clamp band is disposed about the ribs, allowing gradual tightening of the apex to compensate for orifice wear.

Abstract: A filter apparatus including a plurality of demountable filter cartridges which each include a replacement filter element. The cartridges are mounted in the upper portion of a bi-level partition that extends across a tank having an inlet below the partition and an outlet above the lower portion of the partition at a height to be bisected by the upper surface of the upper portion of the partition. A plurality of filter apertures through the partition each receive a cartridge and each cartridge is held in place via studs that screw into the partition and received in channels formed in a header portion of the cartridge so that the cartridge can be inserted into an aperture and turned to engage the shanks of the studs with the channels in the cartridge header.

Abstract: Spa recirculation water filter installation having an upwardly, inwardly open recess in the plastic spa water reservoir molded in a similar recess in a female mold. Water outlet fittings in opposite walls of the recess connected in a T-manner to a recirculation water pump. A filter having in each end a fitting interengaging with the water outlet fittings to secure the filter in place. A compression spring in one filter end fitting to be compressed during engagement and disengagement of the filter end fittings with the water outlet fittings. A cover over the filter installation with flanges secured to the filter end fittings.

Abstract: A waste digestion unit which comprises a container, a waste inlet into the container, an outlet from the container for digested waste, a gas bleed outlet from the container and a stirrer for stirring the contents of the container. The inlet, waste outlet, bleed outlet and stirrer are arranged so that the container can be mounted in position and partially filled with waste to a level defined by the waste outlet to provide a gas space above the waste. In this position of the container the bleed outlet is above the waste level and, the inlet discharges into the container below the waste level. The stirrer is capable of stirring the waste at said waste level and below said waste level.

Abstract: A valve whose casing has two coaxial passages and a chamber disposed between the passages and receiving a valving element movable between an open position in which the passages are free to communicate with one another and a closed position in which the passages are fully sealed from each other. The housing is separably connected with a casing for a tubular filter through which the fluid entering via one of the passages flows on its way toward the other passage when the valving element is held in the open position. The casing can be detached from the housing only when the valving element is held in the closed position to thus prevent leakage or spillage of fluid from the housing on detachment of the casing. The valving element can include a rotary body or a membrane and a displacing member which latter is reciprocable in the chamber to move the membrane against an annular seat of the housing.

Abstract: A filter apparatus including a plurality of demountable filter cartridges which each include a replacement filter element. The cartridges are mounted in the upper portion of a bi-level partition that extends across a tank having an inlet below the partition and an outlet above the lower portion of the partition at a height to be bisected by the upper surface of the upper portion of the partition. A plurality of filter apertures through the partition each receive a cartridge and each cartridge is held in place via studs that screw into the partition and received in channels formed in a header portion of the cartridge so that the cartridge can be inserted into an aperture and turned to engage the shanks of the studs with the channels in the cartridge header.

Abstract: A filtering system for deep fat fryers includes a filter tub for receiving contaminated oil from fat frying vats, a primary filtering means mounted in a covering relationship to bottom wall of said tub, and a fine filter cannister to effect removal of contaminated particles down to at least 1/10 of a micron in size from said oils.

Abstract: A fuel treatment device for use in fuel system of an internal combustion engine comprises a casing adapted to be secured, in use, to a mounting which defines a fuel inlet and an outlet. A fuel treatment element is located in the casing and a wall of the casing is displaceable by hand to achieve a pumping action.

Abstract: An oil filter sealing device adapted to seal and protect the oil circulation apertures and reinforcing plate of an oil filter unit, said sealing device comprising, as a unitary structure:(a) a flat, circular plate having an upper surface and a lower surface; and(b) a frictional attachment means centrally disposed on the lower surface of said flat, circular plate.

Abstract: An improved filter screen device is provided which comprises an elongated, tubular housing, a hollow elongated perforated tubular member releasably secured in the hollow central interior of the housing and a flexible sock-type filter screen releasably disposed over the outer surface of the tubular member in the housing. The housing includes an open upstream end which is closed by the tubular member and a closed opposite downstream end. An inlet is disposed at an acute angle to the length of the housing and intersects the housing interior between its upstream and downstream ends. A first outlet is disposed at the downstream end along about the longitudinal axis of the housing so as to communicate with the interior of the hollow tubular member. A second outlet is also disposed in the downstream end of the housing at an angle to the first outlet and communicates with a space between the filter screen and the housing.

Abstract: A filter bag with removable ring and handle suitable for use with high pressure filter housings includes a two-piece ring which is assembled together with a filter bag without the need for stitching or welding and includes a handle as an integral part of one of the rings to facilitate removal of the filter bag from a filter housing.A method of assembling a filter bag with a removable ring and handle for removal of the filter from a filter housing is disclosed.

Abstract: A swimming pool cleaning apparatus comprising a quick connect-disconnect handle, an ovate frame, a collecting net structure with an inner and outer section, and a blade-like edge on the forward portion of the frame. The collecting net structure contains an open inner net contained in a closed outer net; the inner net allows easy ingress of debris into the outer net while retarding its escape if the direction of net motion is reversed. The blade-like edge of moderately flexible material attached to the front of the net increases the efficiency of collection of debris close to the bottom walls of the pool. Construction of the apparatus is modular and allows easy replacement of worn parts without discarding serviceable parts; repairs can be made without the use of tools. The ease of assembly and disassembly allows the net to be stored and shipped in a disassembled state and is reflected in reduced handling costs.

Abstract: The invention pertains to water and grease separators as used in a conventional plumbing system. A synthetic plastic receptacle is supported upon a framework usually located below, or adjacent to, a sink receiving liquid wastes to be separated. The framework supports a pair of coupling halves connected to the plumbing system, and inlet and outlet fittings mounted upon the receptacle align with and are connected to the frame supported couplings when the receptacle is mounted upon the frame. Baffling within the receptacle aids in the separation of water and grease, the fittings permit the receptacle to be quickly removed from the plumbing circuit, and a valved drain within the receptacle permits rapid disposal of its contents.

Abstract: An elongated tubular natural gas filtering vessel (12) has a plurality of longitudinal tubular filter elements (28) mounted therein by mounting means (44,68,70) which enables lateral displacement of filter elements (28) for longitudinal removal through a forward access port (18) of reduced diameter. A mast structure (44) mounts the filter elements (28) in a matrix array, including perimeteral filter elements (28) not aligned with the access port (18). A central mast (46) is rigidly mounted to the vessel (12) interior, and has a plurality of cross-bars (50) supported thereon. Each cross-bar (50) supports one row in the matrix array. The mast (46) has a plurality of forwardly extending ledges (48) between which are mounted a plurality of latching wrenches (60) with eccentric camming surfaces (64) for releasably locking in place a row of filter elements (28). A superstructure (68,70) is mounted to the mast structure (44) for securing the cross-bars (50) against lateral movement relative to one another.