Abstract: A coolant reservoir and associated multi-functional unit for a thermal sub-system of a fuel cell system. The coolant reservoir includes a flame arrester positioned in a gas region of the reservoir. The multi-functional unit includes a first pressure relief valve that automatically opens if the pressure within the gas region goes above a first predetermined pressure. The multi-functional unit may also include a second pressure release valve that quickly releases pressure in the coolant reservoir if the pressure within the gas region goes above a second higher predetermined pressure. The multi-functional unit also includes an air-line and a check valve for allowing ambient air to enter the gas region if the pressure within the gas region falls below ambient pressure. The multi-functional unit also includes a cooling fluid fill line having plumbing that causes the coolant reservoir to vent prior to a cooling fluid cap being removed.

Abstract: A hydraulic control valve for heavy equipment is provided, which includes a valve body having a supply passage supplied with a hydraulic fluid from a hydraulic pump, ports for supplying the hydraulic fluid to an actuator or receiving the hydraulic fluid from the actuator, tank passages for returning the hydraulic fluid from the actuator to a hydraulic tank, and a first regeneration passage for supplying a part of the returned hydraulic fluid to the supply passage; a spool slidably installed in the valve body in accordance with supply of a pilot signal pressure from an exterior, and controlling flow of the hydraulic fluid supplied to the actuator from the supply passage during shifting; and a regeneration valve installed between the first regeneration passage and the tank passage, and including a piston moved by the hydraulic fluid from the hydraulic pump, a regeneration spool shifted by pressure fluctuation of the supply passage to variably adjust a flow rate of the hydraulic fluid discharged from the first r

Abstract: A high performance single control lever mixing cartridge, characterized in that said mixing cartridge comprises a holding body housing at least a bottom fixed plate and at least a top movable plate, with an indirect driving system including a driving member, said holding body including side windows allowing the top movable plate and driving member to exit said holding body, during its stroke on the end limits from the full hot water to the full cold water position.

Abstract: A positioning structure of a water supply hose for a pull-out faucet contains: a faucet body including an outlet; a water supply hose accommodated in the faucet body so as to supply water and including an outlet segment; a spraying head connected with the outlet segment of the water supply hose and being pulled outwardly and retracted inwardly with the water supply hose; a magnetic attraction device including a first connecting member and a second connecting member which magnetically attract with each other. The first connecting member is disposed in the outlet, the second connecting member is mounted on an outlet segment, the second connecting member retracts back to its original position with the water supply hose and the spraying head and moves into the outlet so as to magnetically attract with the first connecting member, hence the water supply hose and the spraying head are magnetically attracted and fixed.

Abstract: A movable valve for a valve assembly is described. The present valve comprises a plug attached to an immovable mounting flange by at least two non-resilient spider-like legs comprising first and second rigid leg segments that meet at hinging apexes positioned higher than the plug. The plug resists vertical displacement by virtue of the stiff leg segments having appropriately configured curvature and length. Actuation of the valve is through vertical displacement of the plug against the biasing forces, wherein displacement of the plug causes bowing of the legs without any stretching or change in the length of the leg segments.

Abstract: A bellows accumulator has a bellows (13) serving as a movable separating element between a gas side (11) and a fluid side (21). At the movable bellows end during expansion and contraction in the accumulator housing defining a longitudinal axis (9), a closure body (25) closes off the interior space (33) of the bellows (13) in a fluid-tight manner. At its other bellows end (27), the bellows is immovably fixed to the accumulator housing (1). The immovable bellows end (27) is fixed to an end body (31) fixed to the housing, which end body (31) is in the form of a disk with region (37) projecting axially into the interior (33) of the bellows (13) from the main plane (35) of the disk. At least one fluid passage (41, 43) is formed on the projecting region (37), which fluid passage (41, 43) connects the interior space (33) associated with the fluid side (21) to a fluid connection (17) of the accumulator housing (1).

Abstract: There is provided a pressure damping device for a brake system. According to an embodiment of the present invention, an air damping space whose volume is changed in accordance with pressure is provided in an oil passage for connecting two hydraulic circuits, thereby reducing a pressure pulsation generated by a liquid pressure.

Abstract: A clip includes a pair of operable jaws each of which is provided with a detachable holder. Several holders are also prepared in reserve. The holders have several kinds of shapes and sizes. Thus, by interchanging the holder with one another, the clip can fit with different kinds of tubes and multi-way valves, and with different sizes of openings or orifices. Application of the clip is expended with minimal accessories.

Abstract: A hanger and method for routing a hot melt hose adjacent to a structure includes a body having a through hole for receiving the hot melt hose. The through hole defines an inner surface adapted to support the hot melt hose without generally deforming the hot melt hose. The hanger also includes at least one of either a groove on the inner surface or a passage extending through the body for positioning the tie device. As such, the body is adapted to be supported by the tie device mounted to the structure. The hanger further spaces the hot melt hose from the adjacent structure. Thus, mechanical and thermal stresses may be minimized by supporting and spacing the hot melt hose from the adjacent structure without generally deforming the hot melt hose.

Abstract: A structural component system for containing a hot fluid, e.g., petroleum product, and methods to dissipate heat build-up in the structural component is disclosed. In one embodiment, the structural component is a composite pipe for carrying a hot fluid, e.g., petroleum products. The system comprises a protective sheath disposed around the structural component and forms an air space between the structural component and the sheath. The sheath has at least two gaps on its surface, with the gaps being sufficiently spaced apart to allow air flowing through the air space from one gap to another to dissipate heat build-up from the hot fluid contained within the structural component. In one embodiment, an intumescent material is applied near the gaps, which material expands when heated to a temperature in a fire to effectively close the gaps and protect the structural component from the fire.

Abstract: A fabric for forming a fibrous paper web having an embossed surface is provided that includes at least longitudinal and transverse threads interwoven with one another in a weave repeat defining a machine side and a paper side. Some of the longitudinal threads form embossing threads having projecting paper side floats on the paper side of the fabric passing over more than one transverse thread. The fabric includes at least a first woven fabric layer forming the paper side on its outside and having longitudinal and transverse first threads interwoven with one another and a second woven fabric layer forming the machine side on its outside and having longitudinal and transverse second threads interwoven with one another. At least some of the longitudinal second threads form embossing threads, which penetrate the first woven fabric layer for forming the paper side floats and connect the two woven fabric layers.

Abstract: A textile sleeve for routing and protecting elongate members and method of construction thereof is provided. The sleeve includes an elongate wall having opposite edges extending parallel to a central axis. The wall is woven with warp yarns extending parallel to the axis and hybrid fill yarns extending transversely to the warp yarns. The hybrid fill yarns are provided having a yarn filament core and non-metallic first and second yarn filaments overlying the yarn filament core. The first yarn filament is twisted about the yarn filament core in a first helical direction and the second multifilament yarn is twisted over the first yarn filament and about the yarn filament core in a second helical direction. The first helical direction and the second helical direction being opposite one another to provide a resultant zero torque on the yarn filament core.

Abstract: A gripper head for the insertion of weft threads on a gripper weaving machine as well as a gripper weaving machine with such a gripper head. The gripper head thread clamp for the weft thread is controlled in a contact-free manner and with high transfer reliability of the weft thread even in the machine center.

Abstract: An apparatus for the filling of a medical filter has at least one first space and one second space which are semipermeably separated by one or more membranes, with the spaces each having at least one inflow and outflow. The apparatus includes a detection unit having a first element and a second element, with a liquid discharge from at least one of the first and second spaces being detectable by the first element, and the state of the filling of the filter being determinable by the second element with reference to the detected liquid discharge. A method of filling a medical filter employs the apparatus.

Abstract: A method for the preparation of samples by means of a dosage-dispensing device, a weighing system with a load receiver, a processor unit, a memory unit, and an exchangeable dosage-dispensing unit. A target container is set on the load receiver. The dosage-dispensing unit and/or the target container includes electrically insulating material. The dosage-dispensing unit has the capability to change positions relative to the load receiver. While the dosage-dispensing unit is in a first position and a target container is on the load receiver, a starting weight value is determined, the dosage-dispensing unit is brought into a second position, a dosage-dispensing cycle delivers a dosage material in a predefined amount from the dosage-dispensing unit into the target container by means of the processor unit, the dosage-dispensing unit is brought into the first position, and while the dosage-dispensing unit is at rest in the first position, an ending weight value is determined.

Abstract: A reciprocating compressor comprises a gas inlet section including an inlet gas meter for metering inlet gas from a high pressure storage vessel, a compressor, a valve control panel and storage, a pressure let down that depressurizes the high pressure gas from the high pressure storage vessel to the inlet of the compressor section, a heat exchanger having thermal storage media, and a dispenser.

Abstract: A storage and dispensing container includes: a housing having a bottom plate with a feed opening defined therein, and a generally cylindrical outer wall extending around an outer periphery of the bottom plate; a funnel disposed at a lower end of the housing, in flow communication with the feed opening; a drum having an outer wall defining an interior that is partitioned into at least two chambers which are open at upper and lower ends thereof, the wall including a cylindrical portion which is coupled to the outer wall of the housing, such that the drum is rotatable relative to the housing; and a removable cap which closes off the upper end of the drum.

Abstract: A device for filling containers with a liquid by supplying the liquid at a predetermined rate of flow, the rate of flow being predetermined as a function of one or more parameter value(s) measured in parallel and in combination with rate values of at least one prior filling operation associated with the parameter values includes a sensor for measuring a parameter value at a fill point, an adjustable valve for presetting the rate of flow, and a control unit that adjusts the valve in accordance with the parameter value, the control unit having a memory in which are stored rate values of a prior fill operation associated with the parameter values, and that predetermines the current rate of flow in combination with the parameter values by making corresponding adjustments of the valve.

Abstract: A layering device for producing a layered drink in a drinking container may include a hollow cup with an open top. A circumferential sealing rib may be formed on an exterior surface of a wall of the cup. An opening through the wall may be positioned axially between the rib and the open top of the cup. An outer diameter of the rib may engage with an interior surface of the drinking container.

Abstract: An apparatus for the transfer of a material into a storage container comprising a based, a funnel member attached to the base, and a sliding collar that nests in the base. The base attaches onto an exterior portion of the inlet of the storage container. The sliding collar includes a retaining member for retaining the sliding collar within the base, and one or more apertures. In addition, an upper portion of the sliding collar has a diameter larger than a diameter of the inlet member; and a lower portion of the sliding collar has a diameter less than the diameter of the inlet member.

Abstract: Disclosed is a pneumatic tire for motorcycle wherein edge effect can be achieved without changing the design of block pattern, and stability of steering such as grip, feeling of grounding, or controllability of slip is enhanced. When a block having a recess in which a protrusion is formed on the bottom is provided in a tread, edge component increases correspondingly as compared with a block provided only with a recess (having no protrusion), and thereby traction can be enhanced. Since it is not required to increase the hardness of rubber of the read nor to enlarge the block size, feeling of grounding is ensured and controllability of slip can be ensured in a muddy place or on a soft road surface.

Abstract: A pneumatic tire including a plurality of circumferential main grooves extending in a tire circumferential direction, a plurality of land portions partitioned by the circumferential main grooves, a narrow groove extending in the tire circumferential direction and disposed in an edge portion of a road contact surface side and an outer side in the tire width direction of the shoulder land portion on an outermost side in a tire width direction, and a narrow rib that is partitioned by the narrow groove. The narrow rib includes an offset portion having a road contact surface offset inward in a tire radial direction from the road contact surface of the shoulder land portion, and a protrusion protruding in the tire radial direction from the offset portion, extending in the tire circumferential direction, and having a top surface that is substantially flush with a profile line of the shoulder land portion.

Abstract: In the invention, a tread surface is provided with a groove portion including a main groove continuously extending in a tire circumferential direction, and a land portion including a rib or a block separated by the main groove, wherein the land portion includes a first edge portion having a depression row formed by arranging long hole shaped depressions extending along the groove portion in the tire circumferential direction and a second edge portion extending along the main groove while being different in position in a tire width direction from the first edge portion, and not having the depression row.

Abstract: Particular embodiments of the present invention include tire treads that include a tread body having a length, a width, and thickness, the thickness being bounded by an outer surface and an underside surface. Such treads may also include a void positioned within the thickness of the tread body. Such treads may further include one or more members extending between the void and the tread underside surface. Other embodiments of the present invention include a tire having such treads, as well as molds for forming such treads.

Abstract: A heavy duty tire comprises a tread portion provided with four or five circumferential grooves so as to axially divide the tread portion into five or six rib portions. The five or six rib portions are a pair of shoulder rib portions each provided with shoulder lateral groove, and three or four crown rib portions each provided with crown lateral grooves. The crown lateral grooves extend across the entire width of the crown rib portion. The shoulder lateral grooves extend axially outwardly from an axially inner edge of the shoulder rib portion so as to terminate at an axial distance of from 78 to 88% of the axial width of the shoulder rib portion from the above-mentioned axially inner edge. The depth of the circumferential grooves is 15 to 20 mm. The depth of the crown lateral grooves is 9 to 30% of the depth of the circumferential grooves. The depth of the shoulder lateral grooves is 9 to 25% of the depth of the circumferential grooves. The tread width TW is in a range of 0.78 to 0.

Abstract: A plurality of sipes extending in a tire width direction are provided in a tread surface of a block. In the sipes, protrusions are formed on a first sipe wall surface of mutually opposing sipe wall surfaces and recesses that engage with the protrusions are formed on a second sipe wall surface. Collapse of portions of the block sandwiched by the sipes is suppressed due to engagement of the protrusions and the recesses. A height of protrusions positioned on an upper portion in the depth direction of the sipes is greater than a height of protrusions positioned on a lower portion.

Abstract: In accordance with embodiments of the present disclosure an inner tube comprises an encasing configured to hold air. The encasing comprises a reinforcing structure configured such that, as the encasing is inflated, an overall major diameter of the inner tube is reduced. The inner tube also comprises an inflation valve coupled to the encasing and configured to allow inflation of the encasing. Further, the inner tube comprises a pressure valve coupled to the encasing. The pressure valve is configured to be biased closed and allow air to leave the encasing when a differential pressure between inside of the encasing and outside of the encasing reaches a threshold pressure level. In the same or alternative embodiments, the encasing also comprises a reinforcing structure configured such that, as the encasing is inflated, an overall major diameter of inner tube is reduced.

Abstract: An air maintenance tire and connector system includes a tire carcass having an elongate integral air passageway contained within a flexible tire component of the tire carcass between an air inlet and an air outlet cavity and a connector assembly inserted within an outlet one of the cavities. The connector assembly includes a hollow right angled elbow-shaped body fitting within the outlet cavity. The elbow-shaped body's second housing segment has an axial length sufficient to project axially inward from the first housing segment through a tire wall thickness to a tire central cavity. A valve device attaches to a remote end of the second housing segment within the tire cavity, the valve device operative to regulate air flow between the elbow-shaped body central chamber and the tire cavity.

Abstract: Article (1) having at least one visible surface (11), this surface comprising on at least part of it a pattern (2) contrasting with the surface of the article, this pattern (2) comprising a plurality of tufts (21) distributed over the entire said pattern, each tuft (21) having an average cross section between 0.003 and 0.06 mm2. Also disclosed is a moulding process for forming a high-contrast pattern on a surface of an article that can be moulded in a mould, this process consisting in producing, at the position of the pattern on the surface of the mould, a plurality of cavities of average cross section between 0.003 and 0.06 mm2.

Abstract: The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying a specific relationship. Provided is a pneumatic tire including a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying a specific relationship.

Abstract: The present invention provides a rubber composition for a clinch apex which improves in fuel economy, flex crack growth resistance, and processability in a balanced manner, and also provides a pneumatic tire produced using the rubber composition. The present invention relates to a rubber composition for a clinch apex, including: a modified natural rubber having a phosphorus content of 200 ppm or less; and at least one of carbon black and a white filler.

Abstract: The invention concerns a device and a corresponding method for the jointing of wafers along their corresponding surfaces.

Abstract: The invention relates to an apparatus (1) for coating workpieces (2) which are preferably made at least in sections of wood, wood materials, plastic or the like, comprising a feed apparatus (10) for feeding a coating material, an activation region (20) for activating the fed coating material (2), and a pressing apparatus (40) for pressing the activated coating material (2) onto a workpiece (3). The apparatus according to the invention is characterised in that at least the activation region (20) with the pressing apparatus (40) and the workpiece (3) can be moved and/or rotated relative to one another in a plane of movement perpendicular to the coating plane in the course of the coating process.

Abstract: A tape application machine and method are provided. The machine includes a nest device that moves along a linear rail from a first position to a second position. The nest device holds a battery cell therein. The machine further includes a tape application device that dispenses electrically non-conductive tape and applies a first portion of the tape on a first side of the battery cell. The machine further includes a tape bending device that conforms a second portion of the electrically non-conductive tape onto a second side of the battery cell. The machine further includes a tape compression device that compresses the tape on the first and second sides of the battery cell.

Abstract: An apparatus for an adhesive tape dispenser/applicator is disclosed. The adhesive tape dispenser/applicator includes an ergonomically shaped housing and tape applicator/cutter assembly that permits one-handed dispensing of pressure sensitive adhesive tape from a roll while simultaneously applying the tape to a substrate. The adhesive tape dispenser/applicator allows all operations to be performed single-handedly, and without the user ever having to directly touch the tape. In addition, there is no need to pre-measure or estimate the length of tape needed as the desired length of tape is dispensed as it is being applied to the substrate.

Abstract: A hanger for suspending a shower curtain and a spaced apart liner from a shower bar has a first hook for the curtain and a second hook for the liner, and the mouths or openings of both hooks face in the same direction, preferably toward the inside of the shower enclosure. A decorative medallion is preferably affixed to the outer side of the hanger and the placement and dimension thereof are sufficient to block from view of a person outside the shower the opening at the top of the curtain, by which means the curtain is hung from the outside hook of the hanger.

Abstract: A single-track stacking panel covering for an architectural opening has a headrail for mounting the covering above and in front of the opening, such as a window or door. The headrail has a single track. Suspended from the headrail and translatable therealong are panels oriented at a small angle relative to the headrail. When the covering is open, the panels form an overlappingly stacked array at one end of the headrail.

Abstract: An access door unit includes a door, a doorway structure, and elements for pivotally attaching the door to the doorway structure. The doorway structure has an outer perimeter frame and a base affixed thereon. The base has support members extending in transverse relation to and outwardly in opposite directions from the outer perimeter frame and adapted to rest on a generally level support surface such that the outer perimeter frame extends upright from the base enabling the doorway structure to assume a free-standing, self-supporting orientation on the support surface. The outer perimeter frame of the doorway structure defines a passage large enough to fit the door and permit entry or exit through the passage when the door is opened.

Abstract: A cover device for at least partially closing off a cavity includes at least one cover element for closing off the opening of the cavity, and a support structure in the form of an elongate body for supporting and positioning the cover element in or close to the cavity. The cover element is in the form of a pneumatic mattress equipped with return elements for urging it back into a most compact configuration in which it is rolled up about a free one of its sides and forms a spirally wound roll, the free side being formed by the side of the mattress that is opposite from the connecting side of the mattress via which side the mattress is connected to the support structure. This device includes at least one support arm for supporting the mattress while going from its rolled-up most compact configuration to its rolled-out least compact configuration.

Abstract: The invention relates to the general field of construction, and more specifically, the protection of construction work sites. At least two vertical poles are positioned between two surfaces such as ceilings and floors. A center frame with one or more rotatable segments may be mounted between the vertical poles and secured to a window sill. Construction materials may be passed over the rotatable segment and through the center frame with minimal or no damage to the window sill or surrounding structure. The vertical poles may be used with a sheet material to form a protective tunnel. Construction materials may be passed through the tunnel with minimal or no damage to the surrounding environment. Debris left by the construction materials is captured within the tunnel and can be safely and conveniently removed.

Abstract: A window shade of the present invention can include a retractable window shade housed in a door of a vehicle, the window shade operable to extend over a window of the vehicle to be secured with a plurality of hooks located above the window. These hooks are specially designed to allow an improperly attached retractable window shade to detach and retract upon the application of a longitudinal force applied to the improperly attached retractable window shade.

Abstract: A method for producing a metal ingot using a mold which includes a mold cavity defined by an ingot mold, a core and a bottom arranged inside a vacuum-cast enclosure including a portion for introducing molten metal at the upper portion thereof. A portion for receiving and distributing molten metal, which is suitable for receiving the molten steel introduced into the vacuum-cast enclosure and for redistributing the molten metal in the mold cavity, is arranged at the upper portion of the mold cavity. The molten metal is introduced into the enclosure to form a first jet of molten steel under a vacuum, to pour the molten metal over the portion and to form at least one second jet of molten steel under a vacuum, which originates with the portion and terminates in the mold cavity to fill the mold cavity with molten metal.

Abstract: A method of continuously casting steel strip includes steps of providing rails positioned beneath a casting position and extending in opposite directions there from to discharge stations, supporting first and second scrap receptacles movable along the rails, engaging a seal between the first scrap receptacle and an enclosure enabling support of a protective atmosphere beneath a pair of casting rolls, disengaging the seal between the first scrap receptacle and the enclosure and moving the first scrap receptacle along the rails in a direction away from the second scrap receptacle to a discharge station, and moving the second scrap receptacle into the casting position and sealingly engaging the second scrap receptacle and the enclosure.

Abstract: The present invention is a geothermal heat exchanger with a first exchanger, being a return loop inside a geothermal well. The first exchanger is provided for circulating a refrigerant for harvesting heat from the ground surrounding the geothermal well by conduction and convection. A second exchanger, also placed within the geothermal well, is formed from material with high heat transfer coefficient, and also adapted to harvest heat from the ground surrounding the geothermal well by conduction and convection. The first exchanger is completely encased within the second exchanger, and the second exchanger is placed in direct contact with ground surrounding the geothermal well. The outer walls of the first exchanger abut inner walls of the second exchanger along an entire length of the second exchanger. The first exchanger is a copper pipe, and the second exchanger is a housing made of non-ferrous metal with a high thermal diffusivity.

Abstract: A heat dissipation element with mounting structure includes a main body and a plurality of mounting elements. The main body includes a first side and a second side, between which a chamber is defined; a plurality of supports located in the chamber and respectively connected at two opposite ends to the first side and the second side of the main body; a working fluid filled in the chamber; and at least one wick structure layer internally attached to the chamber. The mounting elements respectively define an axial bore and have an end extended through the first side of the main body into the supports to thereby connect to the main body. With these arrangements, the heat dissipation element with the mounting elements connected thereto can tightly contact with a heat-generating element and maintain the chamber in the main body in an airtight state without leakage.

Abstract: This invention relates generally to: (1) methods of forming enhanced-surface walls (20) for use in apparatae (e.g., heat transfer devices, fluid mixing devices, etc.) for performing a process, (2) to enhanced-surface walls per se, and (3) to various apparatae incorporating such enhanced-surface walls.

Abstract: A pumping assembly includes a hydraulic pump having a hydraulic ram tied to a reciprocating annular piston having a central bore. When the annular piston moves in an upward direction, the hydraulic ram moves toward an extended position extending from the housing. When the annular piston moves in a downward direction, the hydraulic ram moves toward a retracted position retracted within the housing. A polish rod extends up through the central bore of the annular piston and is held in position by a polish rod clamp positioned on top of the hydraulic ram. The polish rod moves with the hydraulic ram. Other pumping systems, devices, and methods are also disclosed.

Abstract: An oil field system comprising a main body having a bore therethrough, the main body having a connection at one end of the bore for, in use, connecting the main body to an existing wellhead, tree or other oil field equipment, a transverse cavity through the bore, the cavity having at least one opening to the outside of the main body, a plurality of flow control devices for insertion, at different times, into the cavity in order to selectively control fluid flow through the bore, wherein the plurality of flow control devices includes a gate valve and drilling BOP rams.

Abstract: The present invention generally relates to an apparatus and method for expanding an expandable tubular assembly in a borehole. In one aspect, a system for expanding a tubular having an anchor portion in a borehole is provided. The system includes a running tool configured to position the tubular in the borehole. The running tool including a first expander configured to activate the anchor portion by expanding the tubular to a first diameter. The system further includes a second expander configured to expand the tubular to a second larger diameter, wherein the second expander is movable between a retracted position and an expanded position. In another aspect, a method of expanding a tubular having an anchor portion in a borehole is provided.

Abstract: A well screen for use in a subterranean well can include a loose filter media, a sandstone, a square weave mesh material, a foam, and/or a nonmetal mesh material. A method of installing a well screen in a subterranean well can include dispersing a material in a filter media of the well screen, after the well screen has been installed in the well, thereby permitting a fluid to flow through the filter media. A method of constructing a well screen can include positioning a loose filter media in an annular space between a base pipe and a shroud, so that the filter media filters fluid which flows through a wall of the base pipe.