Abstract: A sucker rod guide for use in a well production tubing, the sucker rod guide comprising: (a) a sleeve member, including a first material having a first wear characteristic and including: (i) a passage therethrough for a sucker rod; and (ii) an outer surface; and (b) a wear member overlaying the sleeve member and including a second material having a second wear characteristic, the wear member being fixed in position relative to the sleeve member and including: (i) an inner surface; and (ii) an outer surface defining a flow path for a fluid, when in use, between the sucker rod guide and the well production tubing.

Abstract: Belt-fed tube cleaning systems and methods may include a tube cleaning projectile belt loaded into a pneumatic firing apparatus employing a cam-activated indexing element and projectile belt separation objects that permit or cause removal of individual tube cleaning projectiles from the tube cleaning projectile belt for semi-automatic tube cleaning operation thereof.

Abstract: This disclosure provides a downhole debris removal apparatus, a method for operating a downhole debris removal apparatus, and a well system including the same. The downhole debris removal apparatus, in one aspect, includes an inner pipe positioned within a tubular, and a filtration member substantially encircling the inner pipe. The downhole debris removal apparatus, in this aspect, further includes a cleaning assembly positioned radially about at least a portion of the filtration member, the cleaning assembly configured to move relative to the filtration member to dislodge particulate matter from the filtration member.

Abstract: An adjustable loop ring stripper for stretching an arterial wall outwardly as plaque is excavated inwardly.

Abstract: A debrider or other medical device can include an extendable and retractable stylet to ream or unclog a working lumen, a distal portal, or the like. The device can include an elongate tubular body with a proximal and a distal portion. A working lumen can extend from a proximal working lumen portal at the proximal portion of the tubular body to a distal working lumen portal at the distal portion of the tubular body. The device can also include an auxiliary passage, interconnected to the working lumen of the tubular body at an auxiliary lumen portal located between the proximal working lumen portal and the distal working lumen portal. A spoolable or otherwise extendable and retractable stylet can include at least a portion of the stylet being extendable into the working lumen and toward the distal working lumen portal via the auxiliary lumen portal, and the stylet being retractable from the working lumen via the auxiliary lumen portal.

Abstract: A bore cleaning tool comprised of a jag having a central body, a spiked tip near a first end of the central body, and a threaded portion near a second end of the central body. The central body may have a plurality of shallow reservoirs and deep reservoirs. The plurality of shallow and deep reservoirs can repeatedly alternate. Each of the shallow reservoirs can include a pair of flanking ridges with a corresponding central portion, and each pair of flanking ridges can have a larger radius than a radius of the corresponding central portion. A patch can be connected to the spiked tip so the bore cleaning tool can be used for cleaning the bore of a firearm barrel.

Abstract: A stylet includes an elongate body defining a passage and at least one aperture in fluid communication with the passage. The stylet also includes a first blocking dam secured to the elongate body proximal to the at least one aperture and a second blocking dam secured to the elongate body distal to the at least one aperture. The stylet is movable within a lumen of a catheter to a position in which the first and second blocking dams are, respectively, proximal and distal to at least one side opening of the catheter and each of the first and second blocking dams is sealingly engaged with an inner surface of the catheter such that fluid introduced into the lumen, from the passage and through the at least one aperture of the stylet, is directed through the at least one side opening of the catheter.

Abstract: Automatic cleaned drain piping system on crosshead type two-stroke engines. The invention is having a slow rotating centreless flexible spiral auger fixed mounted in the piping system.

Abstract: A method of and a system for treating a lesion. A waveguide is inserted into a vessel of a subject, with the lesion being present in the vessel and the waveguide extending longitudinally between a proximal end and a distal end. The distal end of the waveguide is positioned adjacent to the lesion, and a high amplitude broadband mechanical pulse is generated and propagated from the proximal end to the distal end of the waveguide. At least a portion of the high amplitude broadband mechanical pulse is propagated from the distal end of the waveguide to the lesion, with the at least a portion of the high amplitude broadband mechanical pulse propagating up to the lesion, thereby treating at least partially the lesion.

Abstract: Endoscopic instruments, such as endoscopes, and devices and methods for cleaning endoscopic instruments are provided. A cleaning device for use with an endoscopic instrument comprises an elongate member configured for advancement through an internal lumen within the endoscopic instrument and a cleaning member removably coupled to a portion of the elongate member. The cleaning element comprises a variable pressure region shaped and configured to increase the hydrodynamic fluid friction force and fluid pressure force of a cleaner or detergent against the wall of the internal lumen of the endoscope to more effectively clean all internal surfaces of an endoscopic instrument, including crevasses, scratches or other irregularities, without further damaging these surfaces.

Abstract: A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of a helix extending longitudinally and circumferentially about the tubular body (12). The downhole cleaning apparatus (10) also includes a plurality of cleaning elements (22). Each cleaning element (22) is configured to extend through an opening (20) and to extend outwards from an outer surface of the tubular body (12). The cleaning elements (22) are distributed about the tubular body (12) and each cleaning element (22) defines at least part of a helix extending longitudinally and circumferentially about the tubular body. The openings (20) and the cleaning elements (22) are grouped to define a plurality of substantially continuous helical paths (18).

Abstract: An umbrella-like scraper for cleaning tubes and pipes may include a scraper, an actuator and a hinge configured for selective deployment of the scraper by manipulation of the actuator.

Abstract: A downspout cord or the like conveyance device and method, comprised of a sufficiently heavy and at least partially rolling mass, preferably that rotates around an axle which is connected to a harness and to which a cord or the like may be attached and pulled down a bent downspout largely by the force of gravity.

Abstract: External sonication, which is a technique by which ultrasonic energy is applied externally to a cartridge containing the sample, is contemplated herein. External sonication can be performed by a sonicator external to a sample contained within a cartridge. The cartridge can include sonication particles to enhance sonication or cavitation within the sample. A sonication algorithm can also be used to increase sonication efficiency.

Abstract: A bottom hole assembly for use in a wellbore includes a whipstock; a downhole tool coupled to the whipstock; and a cleaning tool coupled to the downhole tool for cleaning a portion of a wall of the wellbore, wherein the downhole tool is configured to engage the cleaned portion of the wall. In one example, the cleaning tool includes a body and a plurality of cleaning elements for cleaning the portion of the wall.

Abstract: A cleaning implement for a firearm comprises a rigid, axially extending, support adapted for connection to the end of a cleaning rod or other manipulating implement. Axially spaced, resilient panels are integrally molded onto a hub through which the support extends. A barb at an end of the support is provided to secure a cleaning patch that is wrapped around the outer edges of the panels and maintained in contact with an interior surface of the firearm during cleaning by the resilience of the panels.

Abstract: A firearm cleaning tool includes a T-handle having a T-handle longitudinal axis and an outer T-handle surface. A cavity has a cavity longitudinal axis. The cavity is disposed in the T-handle about transverse to the T-handle longitudinal axis. The cavity is opened at least in part through the outer T-handle surface along the cavity longitudinal axis. A ledge disposed within the cavity is adapted to capture a fitting of a cable.

Abstract: An umbrella-like scraper for cleaning tubes and pipes may include a scraper, an actuator and a hinge configured for selective deployment of the scraper by manipulation of the actuator.

Abstract: A pull-through applicator assembly for maintenance of a gun barrel. The pull-through applicator assembly is a unitary, disposable, and configured for easy manufacturing relative to conventional pull-through assemblies. The economics of the disclosed pull-through applicator assembly is sufficient to permit packaging and sale as a disposable unit, for discarding after a single use. The single-use aspect enables the fibrous body to be configured primarily for compliance to the internal geometry of the gun barrel (e.g., the grooves of the rifling) without need for considering the durability over multiple uses. Accordingly, enhanced contact with the internal geometry of the gun barrel is realized in the convenient form of a pull-through applicator that is disposable. The pull-through applicator may be configured of biodegradable materials to enhance the disposable aspect.

Abstract: The present application provides a tool for cleaning a groove of a turbine rotor disk. The tool may include a pair of guides spaced apart from one another in a direction of a longitudinal axis of the tool, and a number of cleaning sheets positioned between the guides in the direction of the longitudinal axis of the tool. At least a portion of each guide may have a cross-sectional profile corresponding to a cross-sectional profile of the groove, and at least a portion of each cleaning sheet may have a cross-sectional profile corresponding to the cross-sectional profile of the groove. The present application further provides a method for cleaning a groove of a turbine rotor disk, and a tool system for cleaning a groove of a turbine rotor disk.

Abstract: A gun cleaning system and method is disclosed. The system includes a housing with a retractor. A tether is coupled with the retractor. A connector hoop is disposed at one end of the tether. A cleaning attachment separate from the housing and the tether is configured to detachably couple with the tether. The cleaning attachment has a coupling recess with an opening providing access to the recess. Inserting the tether's connector hoop into the recess couples the tether and the cleaning attachment. A catch adjacent to the opening prevents the connector hoop from exiting the recess. A method of cleaning a gun bore includes passing the tether through the bore, attaching a cleaning patch to the cleaning attachment, coupling the cleaning attachment and the connector hoop, and pulling the tether and the cleaning hoop member back through the bore in the opposite direction. Other embodiments are also included herein.

Abstract: The present invention provides a method for emptying a reactor containing at least one bed of spent catalyst particles, wherein the reactor comprises at least one dump tube that opens into the reactor. The method comprising the steps of: (a) causing a portion of the bed of spent catalyst particles to flow out of the reactor via the dump tube; and (b) extracting the remainder of the spent catalyst particles from the reactor by driving the remainder of the spent catalyst particles toward the opening of the dump tube using a removable device comprising at least one flexible extraction sleeve introduced into the reactor via the said dump tube and connected to an extraction system situated outside the reactor, the sleeve being provided on its external surface with protuberances and being able to move, inside the reactor, translationally and rotationally with respect to the dump tube.

Abstract: An apparatus for removing debris, including an elongated hollow structure wherein, at least a portion of the elongated hollow structure extends in a curved configuration. The elongated hollow structure comprises a sidewall which defines an opening which extends within and along the elongated structure. The sidewall also defines a first and second apertures spaced apart from one another and in communication with the opening. The apparatus further includes an elongated insert member having a length which exceeds a length of the elongated hollow structure and has a width dimension smaller than a width dimension of the opening and the first and second apertures such that the elongated insert member slides within the elongated hollow structure and in and out of the first and second apertures.

Abstract: An apparatus, system and method for cleaning the internal bore of the barrel of a firearm, is provided. More specifically, an apparatus, system and method is provided for efficiently and effective cleaning the bore of a firearm, wherein a cleaning cloth or patch is easily attached and removed from the body of the apparatus using a magnetic attachment. The cleaning cloth drapes over the body of the apparatus, which then fits tight, but moveable, within the bore for maximum contact with the interior surface. The result is an improved firearm cleaning apparatus that not only provides for more effective and less time consuming cleaning, but it also requires less cleaning cloths and solvent, which results in less waste and thus is more environmentally friendly.

Abstract: A combination tool allows delivery of a tool such as a packer or bridge plug with a variety of well cleanup tools that are retracted for running in. Once in the vicinity of where the plug or packer is to be set or if an internal diameter is to be targeted using clean up tools after passing a restriction, an inner mandrel can be activated such as in conjunction with a j-slot to selectively extend one or more cleaning tools against the force of a return spring out though openings in an outer housing. Circulation is established either through an open port or by opening a circulation port with mandrel movement. Just the zone near where the packer or bridge plug is to be set is cleaned. The cleaning tools retract after use with further mandrel movement. The packer or plug is picked up into position and set and the bottom hole assembly is removed. The plug or packer can be set in a variety of ways.

Abstract: A T-handle firearm cleaning tool includes a T-handle firearm cleaning tool body having a first surface and a second surface opposite the first surface and a T-handle firearm cleaning tool body longitudinal axis. A flexible cable has a connector mechanically coupled to a first flexible cable end and a cleaning tool bit mechanically coupled to a second flexible cable end opposite the first flexible cable end. A tapered cavity is disposed in either of the first surface or the second surface, the tapered cavity having a tapered cavity long axis substantially perpendicular to the T-handle firearm cleaning tool body longitudinal axis. The connector and the cleaning tool bit are sized to interference fit in the tapered cavity and the tapered cavity sized to capture the connector or the cleaning tool bit in the tapered cavity.

Abstract: A polymeric rod guide for a sucker rod, said polymeric rod guide having a body surrounding and coaxial with the sucker rod and molded in fixed contact with the rod. The body having a polygonal cross-section and a plurality of blades longitudinally disposed and extending from the body, each blade having a pair of planar longitudinal side walls and an exterior longitudinal edge, each of said blades having a first blade face disposed between a first terminal end of the blade and the exterior longitudinal edge and a second blade face disposed between a second terminal end of the blade and the exterior longitudinal edge, and an area of the body between the longitudinal side wall of a first blade and the longitudinal side wall of an adjacent second blade defines a trough having a plurality of planar surfaces.

Abstract: The disclosure features firearm cleaning tools that include a planar tool body having a length and width that exceed a thickness of the tool body and comprising a first end, a second end, and a middle portion extending within a plane defined by the tool body along a first direction between the first and second ends. The first end features two arms forming a U-shaped portion and defining a recess in the tool body and an angled projection extending in the plane, and the second end features a tab extending from the second end in the first direction and having a width measured in the plane and in a direction orthogonal to the first direction that is less than a width of the middle portion measured in the plane and in the direction orthogonal to the first direction.

Abstract: A tubular cleaning tool can be delivered through tubing and then hydraulically or mechanically actuated to rotate blades about respective pivot location into approximately a 45 degree orientation for commencement of tool rotation and cleaning a larger tubular that is below. Each of the blades has a cantilevered distal end that further features at least one articulated link. The outer periphery of the articulated distal segment has hard facing to enhance the cleaning effect and to reduce blade wear. The remainder of the blade outer surface can also have hard facing for similar reasons. The distal segment can be biased toward the surrounding tubular when the blades extend to put the segment in the needed orientation for cleaning.

Abstract: A device for controlling access to a firearm having a muzzle. The device includes a shaft that may be rigid or flexible and a slotted cylinder arranged for retaining the shaft thereto. The cylinder may also be flexible in an embodiment of the invention. The device includes a plurality of components that cooperatively ensure that any form of tampering is resisted so that the firearm remains secure. The device includes a lock housing and a lock foundation, wherein the lock housing is arranged to receive a key. The cylinder and shaft are removably attachable to the lock foundation. The cylinder-shaft combination is arranged for insertion into the muzzle. A gear engaged with the shaft causes movement of the shaft into the cylinder. A collet includes one or more radially displaceable tabs arranged for insertion in slots of the cylinder when the shaft moves through the collet into the cylinder.

Abstract: A firearm maintenance tool has a body including a rail mount segment and a spindle rotatably mounted to the body and adapted to receive an elongated cleaning rod. The tool may include a square drive element adapted to engage a tool socket. The body may be an elongated body, and the rail segment may extend the length of the body. The body may be an elongated body defining a body axis, and the spindle may extend perpendicularly from the body along a spindle axis perpendicular to the body axis. The body may define a first aperture receiving the spindle, and a second aperture receiving a retention element operably securing the spindle to the body. The first and second apertures may be perpendicular to each other.

Abstract: An oral hygiene device, intended for discreet use by an individual, including a head portion dimensioned and configured for disposition within a user's mouth and an elongated handle structured to facilitate movement of the head into a compound rotary and reciprocal cleaning action while therein. A plurality of cleansing members secured to the outer surface of the head extend outwardly therefrom in different directions. A transferable hygienic composition may be disposed on the plurality of cleansing members and/or head and is releasable therefrom upon moistening by the user's saliva. The hygienic composition may instead be released by a chewable and/or dissolvable structure disposed on the proximate end. The head may include a curvilinear outer surface configuration cooperatively structured with a predetermined array of the plurality of cleansing members to facilitate concurrent confronting engagement with the teeth and interior of the user's mouth for cleaning and release of the hygienic composition.

Abstract: A bi-directional pig apparatus for removing wax and hydrate deposits in subsea hydrocarbon production flowlines including a pig arranged for movement inside a pipe, the pig having a tubular body and one or more magnets arranged in a circumferential wall of said body, each of the one or more magnets includes an elongated bar having a succession of teeth and slots, arranged such that the succession of teeth are facing radially outwards. The apparatus having a through-going opening between opposite ends of said tubular body to allow fluids (F) in the pipe to flow through and propulsion means arranged and configured for imparting a motive force to the pig, whereby the pig is movable inside the pipe.

Abstract: This toilet unclogging tool has a handle attached at the proximal end of, a shaft, either straight or bent, and a bullet shaped head portion, attached at the distal end of the shaft, which head is made of a semi-rigid material such as closed cell polyethylene foam. The head has a series of grooves, usually four of a V-shape, along the length thereof to permit fluid to pass there through when one attempts to push a blockage forward over the trap of a toilet. A rigid cap having a flat face is disposed into the forward end of the head to enhance the ability of the device to push a clog without deforming the head.

Abstract: A ramrod for a muzzleloader is provided. The ramrod includes a shaft having a knob releasably coupled to one end thereof, the knob having a rounded end and a tapered end that oppose one another. The knob may have a central bore therein, and the shaft may be inserted into the central bore. The tapered end of the knob is configured with respect to the shaft to allow any object that contacts the shaft and slides along the shaft to also slide along and eventually off of the tapered end of the knob without snagging or catching the knob. The rounded end of the knob is positioned at a distal end of the shaft and is configured with respect to the shaft to allow a user of the ramrod to place his/her palm against the rounded end while operating the ramrod to load a muzzleloader.

Abstract: A knuckle-jointed lance (KJL) segment with an exterior protective system (EPS), comprising an elongated hollow body and at least one protective rod. The body has a generally trapezoidal profile, when viewed in elevation, and is open at both ends. At least one elongate recess is provided in the exterior surface of the body. Each recess follows a predetermined pathway within the exterior surface. At least one consumable protective rod is received into each elongate recess.

Abstract: A pipeline debris shearing device includes a forwardly positioned, self sharpening, wear compensating, diameter conforming elastomeric member that forms a peeling edge having a negative rake angle to peel away debris from the internal wall of a pipeline. The peeling edge is formed at the point of meeting between a concave-shaped, curved forward face surface and a substantially straight outer peripheral surface. Radial slots may be provided to lessen the force being exerted on the peeling edge and provide for bypass flow to carry away debris removed by the peeling edge. Spaced-apart narrow stripper teeth may be added to help in removing harder deposits of debris. The peeling edge may be arranged substantially perpendicular the central longitudinal axis of the pipeline pig or arranged oblique to it. Further, the peeling edge may spiral about at least a portion of the pipeline pig.

Abstract: A downhole tool for use in a wellbore having a tool body with a blade assembly slidably mounted thereon and movable between a retracted and an outwardly extended position. The blade assembly is biased towards the retracted position and movable with an actuating force to the extended position. The tool includes an indexer constructed and arranged to facilitate movement of the blade assembly.

Abstract: A method for fracturing a hydrocarbon-containing formation includes running a tubing string into an open hole and uncased, non-vertical section of the wellbore, and expanding first, second, and third solid body packers until each sets and seals against the wellbore wall. The method also includes applying a first pressure within the tubing string inner bore such that the hydraulically actuated sliding sleeve moves from a closed port position to an open port position without engaging any fluid conveyed sealing device. The method also includes conveying a sealing device through the tubing string, passing through a first sliding sleeve and landing in and sealing against a second sliding sleeve's seat moving the second sliding sleeve to an open port position permitting fluid flow through a second port. And the method includes pumping fracturing fluid through the second port and into an annular wellbore segment to fracture the hydrocarbon-containing formation.

Abstract: A ramrod for a muzzleloader is provided. The ramrod includes a shaft having a knob releasably coupled to one end thereof, the knob having a rounded end and a tapered end that oppose one another. The knob may have a central bore therein, and the shaft may be inserted into the central bore. The tapered end of the knob is configured with respect to the shaft to allow any object that contacts the shaft and slides along the shaft to also slide along and eventually off of the tapered end of the knob without snagging or catching the knob. The rounded end of the knob is positioned at a distal end of the shaft and is configured with respect to the shaft to allow a user of the ramrod to place his/her palm against the rounded end while operating the ramrod to load a muzzleloader.

Abstract: A multistage thermal desalination system, together with its associated method of use, allows de-scaling of subsystems exposed to saturated saltwater by alternating the saturation stage of the process between two neighboring physical desalination stages. The desalination system is provided with at least one transfer conduit, at least one pump, and valving to permit saltwaters being desalinated by higher and lower stage desalination subsystems to be swapped. By replacing the saturated saltwater in a higher salt concentration desalination subsystem with lower salt concentration saltwater, the scaling in higher salt concentration desalination subsystem is reduced while the saturation load is placed on another of the desalination subsystems.

Abstract: A gun barrel cleaning device comprises a weight, a cord, a boreguide sleeve, a sheath, a brush, a cleaning element, and a lubrication element. The weight provides a mass that helps to insert the device into the barrel of a gun. The weight may be coupled to the high tensile strength cord, which in turn may be coupled to the tubular sheath. The boreguide sleeve may cover the sheath where it is coupled to the cord to smooth the transition from the cord to the sheath. The brush may be connected to the cord and encased by the sheath. The cleaning element, also encased by the sheath, may remove dirt from the gun barrel. The lubrication element, coupled to the sheath, may deposit lubrication in the gun barrel. The gun barrel may be cleaned and lubricated by pulling the device through the barrel.

Abstract: Provided is an auto cleaner for a gun barrel includes a main body having one end connected to a first cleaning unit and other end connected to a second cleaning unit, wherein the main body includes three shafts, a reciprocating unit, and a driving device. The auto cleaner may be used not only to automatically clean a gun barrel, but also to clean the inside of a pipe, such as a water supply or drainage pipe, or a boiler tube.

Abstract: An oral hygiene device, intended for discreet use by an individual, including a head portion dimensioned and configured for disposition within a user's mouth and an elongated handle structured to facilitate movement of the head into a compound rotary and reciprocal cleaning action while therein. A plurality of cleansing members secured to the outer surface of the head extend outwardly therefrom in different directions. A transferable hygienic composition may be disposed on the plurality of cleansing members and/or head and is releasable therefrom upon moistening by the user's saliva. The hygienic composition may instead be released by a chewable and/or dissolvable structure disposed on the proximate end. The head may include a curvilinear outer surface configuration cooperatively structured with a predetermined array of the plurality of cleansing members to facilitate concurrent confronting engagement with the teeth and interior of the user's mouth for cleaning and release of the hygienic composition.

Abstract: A pipeline debris shearing device includes a forwardly positioned, self sharpening, wear compensating, diameter conforming elastomeric member that forms a peeling edge having a negative rake angle to peel away debris from the internal wall of a pipeline. The peeling edge is formed at the point of meeting between a concave-shaped, curved forward face surface and a substantially straight outer peripheral surface. Radial slots may be provided to lessen the force being exerted on the peeling edge and provide for bypass flow to carry away debris removed by the peeling edge. Spaced-apart narrow stripper teeth may be added to help in removing harder deposits of debris. The peeling edge may be arranged substantially perpendicular the central longitudinal axis of the pipeline pig or arranged oblique to it. Further, the peeling edge may spiral about at least a portion of the pipeline pig.

Abstract: A method for disabling a firing chamber of a firearm which comprises the steps of inserting a first end of an elongate body into a firing chamber through a port of a firing chamber, wherein the elongate body comprises a smooth continuous external surface extending radially about a length of the elongate body from the first end toward a second end of the elongate body. Also, positioning the first end of the elongate body in alignment with a barrel of the firearm bending the elongate body and positioning the second end of the elongate body and a grasping member connected to the elongate body outside of the port. Also, a method of enabling use of a firearm with a blocked firing chamber, which includes the step of grasping the grasping member and pulling on the grasping member removing the first end of the elongate body from the firing chamber.

Abstract: Among other things, there is disclosed a cylindrical device which is used to remove broken paintballs and other unwanted material from the barrel of a paintball marker or from other paintball equipment. Cylindrical cleaning devices currently known in the art are prone to separation and failure after use. The present disclosure includes structure such as barbs and/or openings, a snap-fit sleeve element, and/or one or more spacers to limit or prevent such failure. Structure for cleaning, including squeegee elements movable between an insertion configuration and a cleaning configuration, and other materials and configurations, are also disclosed.

Abstract: The device according to the invention for cleaning the inside of the barrel of a firearm consists of a pulling element (A) and a cleaning element (B) connected thereto. In this case, the cleaning element (B) has a first wetting and cleaning unit (BI), particularly for precleaning the barrel, a wiping unit (B2) and a second wetting and cleaning unit (B3), particularly for preserving the barrel. The device according to the invention has many advantages. The advantageous construction of the device means that only little expenditure of force is required during use, and so it can be pulled through the barrel of a firearm quickly in one go without stopping to put it down.

Abstract: This invention relates to a device for cleaning a grating disc used for cutting food. The grating disc has two sets of parallel blades, the blades delineating quadrilateral-sectioned spaces in a main plane of the grating disc, a main plane of each blade being substantially perpendicular to the main plane of the grating disc. The device has at least one tooth, the tooth being sized such that it is able to be inserted into the spaces delineated by the blades. The device including a pin aligned with the tooth or teeth, an end of the pin protruding relative to one end of the tooth or teeth. The pin being capable of sliding into a space delineated by the blades at the same time that the tooth or teeth are inserted into one or more spaces delineated by the blades. This invention also relates to a set for cleaning a grating disc, comprising such a device. Finally, this invention relates to a method for cleaning a grating disc used for cutting food.

Abstract: Applicant has disclosed a foam swab for cleaning and lubricating firearms. In the preferred embodiment, the invention comprises: a molded plastic shank having a threaded free end and a series of parallel rings spaced between parallel spacers; and a foam cover, preferably made of polyurethane, thermally bonded to the spacers. To clean a firearm, solvent or lubricant is applied to the foam cover. Then the threaded end can be screwed into a gun cleaning rod and the foam swab drawn through a firearm bore.