Abstract: A wire feeder device for feeding a welding wire in a feeding direction is disclosed. The wire feeder device includes one or more roller chains and a plurality of first and second gripper members. The gripper members are movable from an open position to a closed position to contact and grip the welding wire. In use, the first and second gripper members are longitudinally movable with the roller chain(s) so that the welding wire is pulled along a substantially linear path. The first and second gripper members may be orientated in a vertical (i.e., coplanar) orientation or a horizontal, lateral orientation. The gripper members may include a built-in centering function to center a position of the welding wire.

Abstract: Push-cables and associated apparatus and systems are disclosed. In one embodiment, a push-cable assembly for use with a pipe inspection system may include a push-cable element having a proximal end and a distal end, with a spring assembly having varying flexibility coupled to or near the distal end. The spring assembly may include an outer coiled spring having a proximal and a distal end, and an inner coiled spring nested at least partially within the outer coiled spring. A camera head and/or other elements such as a cutting or jetting apparatus may be coupled at or near the distal end.

Abstract: A drain cleanout features a flexible drain auger, a mounting section supported solely on a drain pipe, a drum section carried by the mounting section and storing the auger, a rotational connection coupling the mounting section and the drum section, and a rotational drive unit carried by the mounting section and operable to drive rotation of the drum section. A feed mechanism for the flexible auger features a helical slot in the auger cable and a thin disc received in the slot and supported at a fixed longitudinal position in a travel direction along which the drain auger exits and re-enters the drum. Rotation of the auger cable with the drum cause longitudinal displacement of the auger cable in the travel direction. A liquid sensor enables the apparatus to be left in place for automatic self-activation upon detection of liquid back up in the drain pipe.

Abstract: A plumbing insert cleansing device having a mounting plate, a nozzle, a solution port, and a hose is provided herein. The cleaning device is configured to permit for the pressurized cleaning and clearing of debris through a cleanout in the waste pipes of a structure. The mounting plate has a plurality of apertures and is configured to fit within the cleanout. The nozzle is coupled to a first aperture in the mounting plate and the solution port is coupled to a second of the apertures. The hose is separated between the solution port and the nozzle. Water enters through the nozzle and a cleaning solution enters through the solution port. They are mixed downstream prior to exiting at a higher pressure.

Abstract: A flexible high pressure fluid cleaning lance drive apparatus includes a guide rail having a longitudinal axis adapted to be positioned within a boiler water box and aligned in a fixed position with respect to a central axis of the water box. A tractor drive module is mounted on the guide rail, a helix clad high pressure fluid hose drive module is mounted on the guide rail operable to propel a flexible lance helix clad hose through the drive module along an axis parallel to the guide rail longitudinal axis, and a right angle guide rotator module is mounted on the guide rail and connected to the tractor module for positioning a rotatable high pressure nozzle carried by the helix clad hose within a guide tube attached to the rotator module.

Abstract: A tensioner for the controlled clamping and forward movement of an elongate element, in particular for winding/unwinding a cable, a hose, a pipeline or an umbilical on a reception member. The tensioner comprises at least one frame that carries three guide boxes arranged around a passage axis. This tensioner comprises means for maneuvering these guide boxes, in particular second maneuvering means for the maneuvering in rectilinear, or at least substantially rectilinear, translation of lateral guide boxes, respectively in a direction defining an angle of between 115° and 125°, and preferably between 118° and 122°, with respect to said central plane. These second maneuvering means comprise at least one rocker element comprising a proximal end mounted so as to pivot on said frame and a distal end mounted so as to pivot on said lateral guide box, respectively about rotation axes extending parallel to said passage axis.

Abstract: A drain snake may include a hollow body having a rearward end and a forward end, and a longitudinal axis extending between the rearward and forward ends. The forward end has a cable feed passage. The drain snake may further include a cable having a first portion coiled in the body around the axis in a location between the rearward and forward ends. The cable has a second portion extending out of the feed passage of the forward end of the hollow body. The drain snake also include a fastener extending through the body at the forward end and into the feed passage to secure and release the cable.

Abstract: Various assemblies for indicating movement and direction of drain cleaning cables used in plumbing tools are described. Generally, the plumbing tools include a cam that is in operable engagement with a guide tube. Upon axial movement of cable relative to the tool, the cam causes reciprocal movement of an indicator. The plumbing tools can additionally include switches and/or electronics in communication with the indicator to thereby provide information or processing of tool operation.

Abstract: A channel tube inspection device 1 includes an inspection head 3, a pushing cable 5 and an elongated intermediate part 7 whose one end 7a is connected to the inspection head and whose other end 7b is connected to the pushing cable. The intermediate part 7 has a radial rigidity or, worded differently, bending rigidity gradually increasing over its length. The bending rigidity of the intermediate part 7 gradually increases from the inspection head 3 to the pushing cable 6. The intermediate part 7 is solid and has a gradually diminishing diameter from the pushing cable 5 to the inspection head 3. The intermediate part 7 is made of plastic, preferably PUR.

Abstract: A cable feeding device for a drain cleaner includes an upper body mounted on a support tube of the drain cleaner, a control subassembly, and a lower body. The upper body in which an upper feeding roller is held and the lower body in which two lower feeding rollers are held join each other, so that a cable inside a cable drum of the drain cleaner can extend through a region encircled with the upper and lower feeding rollers and can be resisted by the upper and lower feeding rollers for controllable forward or backward movements of the cable into a drain to be cleaned. The lower body has at least one separate mold-stripping hole for easy manufacturing of the upper and lower bodies in a plastic injection molding process. The upper and lower feeding rollers are not exposed to the outside for longer service life to hold the cable.

Abstract: A sewer line root cleaning and repair system includes a root cleaner having a first body and a second body connected by a flexible connector. A flexible rotating member extending from a pneumatic motor in the first body extends through the flexible connector and the second body. The flexible rotating member terminates beyond the second body in a series of bristles. As the root cleaner moves through a sewer line a set of wheels on the first body extends outward, centering the first body in the sewer line as the bristles spin at high RPM centering the second body in the sewer line and scouring the sewer line free of roots including small root hairs. Afterward, a coating sprayer is inserted into the sewer line, connected to a coating supply and air supply, and the coating is sprayed under pressure to line the inner surface of the sewer line.

Abstract: Bone marrow harvesting devices and methods of use for harvesting bone marrow from a biological source of bone marrow are provided that promote ease of use, and reduce patient pain and potential trauma to harvested bone marrow, wherein an exemplary bone marrow harvesting device includes an elongated shaft comprising a distal region, a proximal region, and a lumen extending therebetween, the distal region comprising a plurality of through-wall apertures in fluid communication with the lumen; and an expandable member disposed along the distal region thereof and configured to transition between a collapsed state and an expanded state for vibrating to disrupt the bone marrow. Methods of using the inventive bone marrow harvesting device to provide more efficient bone marrow disruption, improve the efficiency of bone marrow aspiration, and increase the quantity of bone marrow harvested in a single procedure are also provided.

Abstract: An angioplasty balloon including a non-deployable stent to prevent or reduce the potential for slippage of the inflated balloon with respect to the vessel wall being treated. The balloon includes a non-deployable stent that is adapted to be secured to the balloon or angioplasty balloon catheter. The stent has a proximal end, a distal end, and at least one extension section, at least one set of serpentine rings and at least one set of elongation links that allow expansion of the strut to accommodate the inflation of the balloon. The stent is made of a material so that the stent collapses upon deflation of the balloon.

Abstract: A drain cleaning apparatus, includes a handle and a clog-catching member detachably connected the handle. Airplane-like wings project radially from the clog-catching member. The wings provide an angled projection that catches and holds a clump of debris in a drain pipe for unclogging the drain. Clog-catching members or smooth extension members can be connected end to end for different lengths. Different end tools can be removably connected to a clog-catching member or to a smooth extension member to provide multifunctionality. A drain cleaning harpoon that is an integral unit or one that can be assembled and disassembled is also provided. The harpoon can be fitted on one end with a plurality of J hooks, fish hooks, arrowheads or retractable barbs for catching and holding a mass of debris in a drain pipe.

Abstract: A drain clearing device including an elongated shaft having a first end and a second end and a collecting member having a fixed end and a free end. The fixed end is coupled to the elongated shaft proximate the first end, and the free end is movable relative to the fixed end from a collapsed position to an extended position, in which the elongated shaft is substantially surrounded by the collecting member.

Abstract: A drain cleaner includes a handle assembly with a grip, a motor supported by the handle assembly, and a shroud coupled to and extending forwardly from the handle assembly. The shroud includes a closed end facing the handle assembly and an open end facing away from the handle assembly. The drain cleaner also includes a drum assembly rotatably coupled to the handle assembly and positioned within the shroud. The drum assembly is operable to be rotated by the motor relative to the handle assembly and the shroud. The drain cleaner further includes a flexible cable stored within the drum assembly. The drum assembly encloses the flexible cable.

Abstract: A drain cleaner includes a handle assembly having a grip, a motor positioned within the handle assembly, and an actuator supported by the handle assembly adjacent the grip. The actuator is electrically coupled to the motor and operable to selectively energize the motor. The drain cleaner also includes a shroud fixed to and extending forwardly from the handle assembly. The shroud includes a closed end adjacent the handle assembly. The drain cleaner further includes a drum assembly rotatably coupled to the handle assembly and positioned within the shroud. The drum assembly is operable to be rotated by the motor relative to the handle assembly and the shroud. The drain cleaner also includes a flexible cable stored within the drum assembly. The flexible cable is configured to be extended out of the drum assembly and into a drain.

Abstract: A drawing assembly for drawing machines for metal products includes drawing clamps, each selectively clampable in a housing seating of a corresponding link of a track, and on a corresponding lying plane, by a corresponding rapid attachment/detachment device associated with the link. The rapid attachment/detachment device includes at least a clamping element and an activation element, wherein the clamping element includes at least a segment having a cam profile able to cooperate with a mating cam surface of the activation element. The activation element is mobile in a direction of thrust, orthogonal to the median axis of the clamping element, and slides in a hollow with the mating cam surface in contact with the cam profile of the clamping element.

Abstract: Push-cables and associated apparatus and systems are disclosed. In one embodiment, a push-cable assembly for use with a pipe inspection system may include a push-cable element having a proximal end and a distal end, with a spring assembly having varying flexibility coupled to or near the distal end. The spring assembly may include an outer coiled spring having a proximal and a distal end, and an inner coiled spring nested at least partially within the outer coiled spring. A camera head and/or other elements such as a cutting or jetting apparatus may be coupled at or near the distal end.

Abstract: A biopsy device, comprising a flexible coaxial structure, comprising an obturator within a sheath, the obturator being adapted to be displaced with respect to the sheath along the coaxial axis by a force applied at a proximal end; a disruptor, at a distal end of the obturator, adapted to disrupt a tissue surface to free cells therefrom, having a first position covered within the sheath and a second position freely extending beyond the sheath; an element, having a fixed position on the obturator, and a close clearance with respect to an inner surface of the sheath, such that a retraction of the obturator within the sheath causes an associated change in pressure in a space between the obturator distal to the element and the sheath, to thereby draw fluid proximate to an end of the sheath within the sheath.

Abstract: A handheld welding torch for electric-arc welding with a melting welding wire has a wire feed unit for conveying the welding wire along a conveying axis arranged within a torch housing with a handle region, the wire feed unit including a drive unit with a rotation axis arranged vertically with respect to the conveying axis of the welding wire, a drive roller with a rotation axis and a counter roller with a rotation axis, and having a torch push-button. The wire feed unit has a gear stage and the rotation axis of the drive unit is arranged aligning with the conveying axis of the welding wire.

Abstract: An automated pipe clearer that is permanently mounted to a building. The pipe clearer has a spool of cable that extends a head assembly down a pipe. The sealed head assembly contains a motor and has a tip at a forward end. A computer control actuates a feeder to extend the cable and connected head assembly down a pipe towards a clog. When the clog is cleared the feeder re-spools the cable leaving the head assembly in the pipe ready for the next clearing operation.

Abstract: A cleaning device for a combustion boiler, comprising a high-temperature-resistant cleaning hose for feeding a cleaning medium into the combustion boiler, a hose reel which can be rotated about a first axis of rotation, wherein the cleaning hose can be wound at least partially in said reel, and wherein the hose reel comprises an opening through which the cleaning hose can be guided during winding or unwinding parallel to the first axis of rotation.

Abstract: A drain snake (4) with a ball (8, 42) on a forward end of a cable (6), the ball having a convex leading surface (36) with a protrusion (10, 44) designed to act as a foot that steps over the end (22, 30) of a pipe (24) in an elbow (26) as the snake is rotated (32). In an embodiment, the protrusion may terminate laterally at 60-150% of a maximum lateral extent (R, 37) of the ball or the protrusion may be limited to the lateral extent of the ball. The protrusion may form a rotationally asymmetric surface arrangement on the ball. The protrusion may have a forward cutting edge (48, 53) and may have a lateral cutting edge (52). The cable (6) may be designed to flex laterally while remaining substantially inelastic axially under manual feed and retraction forces.

Abstract: A toilet plunger has a hollow tube with a rotatable handle at one end and a bell shaped plunger member with a top opening secured at the other end. A helix shaped stem is connected to the handle and extends the length of the tube. The stem extends through the upper section of a declogger member which is positioned adjacent to the stem. Rotational turning of the handle causes the declogger member to travel down the stem, through the top opening and out the plunger member, to assist in unclogging stopped-up toilet drainage lines and the like. Reversing the rotation of the handle causes the declogging member to be withdrawn back into the tube, but not before it is scrapped clean by a wiper member protruding from the top opening, into the interior space of the plunger member.

Abstract: A therapeutic or diagnostic instrument includes first and second shaped wire members and that can be simultaneously inserted into a catheter tube and has predetermined bending elasticity, in which the first and second shaped wire members and are adapted to respectively have first and second curving parts that curve in a natural state, and when inserted into the catheter tube, curve the catheter tube at two desired positions correspondingly with the first and second curving parts.

Abstract: The present invention is directed to an air intake for an aerosol sampling device, the air intake being inflatable and deflatable.

Abstract: A protector for protecting the internal bore of a pipeline bend from a line being pulled through the pipeline bend during servicing operations including a first liner section which will travel along the pipeline to the pipeline bend but which will not pass through the pipeline bend, a one or more of second liner sections which will pass through the bend but are connected to the first liner section, releasably connecting the liner sections to a service pig, pulling the liner sections into the pipeline with the service pig until the first liner section encounters the bend and stops, continuing travel with the service pig and releasing the service pig from the liner sections, and constraining a line connected to the service pig to be positioned within the liner sections rather than contacting the pipeline bend.

Abstract: A single-lance reel assembly comprising a reel assembly received onto and disposed to rotate about an axle at a rotary union. The reel assembly further comprises a plurality of spokes separating a rim from a hub. Hoses, electrical conduits, conductors or other similar carrier hardware deployed within hollow lances spooled on the reel assembly may be supplied via the rotary union and by further hose connection structure deployed on the hub and/or the rim. Embodiments of the reel assembly are powered by either a direct or indirect drive.

Abstract: A support for a suction or ventilation hose extending upwardly through an open manhole and in a horizontal disposition from the manhole to a water pump intake or air pump including a lower horizontal support surface, a pair of laterally spaced side walls extending upwardly from the lower horizontal support surface and a generally U-shaped hose support surface extending along a curvilinear path between the side walls from a lower rear portion of the support to an elevated forward portion thereof. A depending stop is disposed rearwardly adjacent to the lower support surface. The stop defines a curvilinear abutment surface adapted to extend into an open manhole and abut a perimeter portion thereof upon the lower support surface being positioned adjacent to the manhole. A strap securement is provided for securing a portion of a hose against the hose support surface on said hose support.

Abstract: A hand-held drain cleaning machine which is of the type that employs a flexible snake that can be inserted into a waste line and rotated to remove a blockage, includes a drum in which the snake is coiled and a guide tube extending from a central front portion of the drum, through which the snake can be extended and retracted. An electric motor, which is coupled to the drum, provides rotational movement to the drum and the snake when AC line current is provided to the motor through an operator-activated switch located within a handle grip. The handle grip, which is secured to the electric motor, is preferably positioned directly above the machine' center of gravity. In addition, an extendable support, having a foot, is also secured to the electric motor and preferably positioned so that the foot is directly beneath the machine' center of gravity.

Abstract: A motorized drain snake includes a shank and a coiled member connected with the shank. The shank has a first end provided with a bushing which has an interior provided with a shaft hole for mounting the coiled member. The bushing of the shank is made of soft iron material. The bushing of the shank has an end face provided with a plurality of ramps. The coiled member is hollow, bendable and flexible. The coiled member is made of a metallic wire that is wound successively. The coiled member has a first end securely mounted in the shaft hole of the bushing of the shank and a second end provided with a drilling portion.

Abstract: A system and method for sanitizing pneumatic conveying piping is provided. The system includes a motorized hose reel with a pig attached to the end of the hose. The pig is smaller in diameter than the inner diameter of the pipe through which it is conveyed. The decreased size of the pig keeps the conveying speed of the pig through the pipes down, while at the same time providing sufficient force to pull the supply hose attached to the pig through the pipes with the pig. The pig of some embodiments of the inventive concept is shaped as a hollow cone or frustoconical shape. Such a shape reduces weight of the pig and also allows the hose to be inserted through the body of the pig with a spray nozzle at the end. The hollow cone shape deflects relatively easily to allow the pig to go around corners or other obstructions. Also, such a pig design automatically centers the nozzle within the pipe during spraying.

Abstract: A device and method for automatic unloading of particles from the vertical tubes of a chemical reactor automatically feeds a fish tape into the bottom of the vertical tube to contact and dislodge the particles and automatically retracts the fish tape to allow the particles to fall out of the tube.

Abstract: Devices and methods for the effective clearing of artificial tubes, especially in-situ clearing of artificial tubes in a living being is covered in this disclosure. An elongated clearing member includes either a fixed or an adjustable element that selectively defines the portion of the elongated clearing member that is insertable within the artificial tube. The proximal end of the clearing member is releasably secured to the driving mechanism and the driving mechanisms may comprise a wide variety of repetitive motion drivers such as voice coil motors, piezoelectric actuators, pneumatic actuators, DC motors, etc. These devices/methods may comprise a free-standing console for hands-free operation or may comprise hand-held versions. The distal working end of the clearing member may comprise tips of differing functions, including an irrigation/aspiration feature.

Abstract: Cable coupling assemblies are described which can be readily engaged and separated from one another. The couplings are particularly useful for use in torque transmitting cables such as those used in drain cleaning applications.

Abstract: A driving apparatus can be utilized to control the cleaning movements of one or more cleaning lances with respect to certain industrial equipment such as a heat exchanger. For example, driving apparatus can be utilized to feed an additional length of cleaning lance to the tubes of exchanger, or to retract cleaning lance from the tubes of exchanger as desired. In general, driving apparatus can be used to clean a variety of types of pipes, tubing and equipment used in industrial facilities.

Abstract: Quick release mechanisms for auger type cleanout tools are described. The mechanisms enable engagement and disengagement of a handle to an auger without the use of separate retainers or fasteners. Also described are auger type tools and related methods of use utilizing the quick release mechanisms.

Abstract: A snake tool adaptor capable of coupling commercially available heavy duty drain cleaning cables and attachments normally associated with heavy electric drain cleaners with a portable rotary driving tool such as a hand-held drill. Adaptors of the subject invention include a hand grip having a proximal end terminating in a shank for operable attachment to a the chuck of a power drill, and a distal end terminating in coupling means for removable mating engagement with various heavy duty drain cleaning cables and their attachments normally associated with heavy electric drain cleaners.

Abstract: The biodegradable toilet snake is a tool for dislodging clogs in drainpipes. Once a drainpipe clog is dislodged, the snake is detached and left in the drainpipe where the snake dissolves in water.

Abstract: A drain-cleaning machine comprises a cable, a motor assembly, and a speed control assembly. The cable comprises a longitudinal axis. The motor assembly is configured to rotate the cable about the longitudinal axis of the cable. The motor assembly comprises a motor and a motor control device. The motor is configured to operate at an operating speed that may vary within a range of operating speeds. The motor is configured to produce a substantially constant torque while operating at varying operating speeds across the entire range of operating speeds. The motor is configured to be powered by DC power. The motor control device is configured to receive AC power from an AC power source, convert the AC power into DC power, and communicate the DC power to the motor. The speed control assembly is configured to vary the operating speed of the motor within the range of operating speeds.

Abstract: Lightweight sewer cable that may include an elongate central resilient non-metallic core member, an elongate metallic helical coil spring surrounding the core member, and an elongate non-metallic spacer between the core member and the coil spring are disclosed.

Abstract: A power snake apparatus including a motor connected to a rotatable drum that contains a coiled cable for drain cleaning operations. The power snake also includes a battery for powering the motor, the battery preferably being of the type normally installed on motorcycles and being rechargeable from a standard motor vehicle electrical recharging system. The apparatus may also include an AC/DC transformer for powering the motor or recharging the motorcycle battery from a standard electrical outlet. The components of the power snake apparatus are mounted on a frame, which may also include a removable handle and a plurality of wheels to facilitate mobility of the device.

Abstract: A system and method for propelling a hose, including: a system housing and a tractor element disposed in the housing. The tractor element includes: a tractor housing with a through-bore; and a protrusion extending into the through-bore. The system includes: a hose assembly including a substantially helical coil disposed about a hose; and an actuator for rotating the tractor housing with respect to the system housing. The tractor element is fixed in the system housing with respect to axial movement; and the hose assembly can be disposed in the through-bore so that the protrusion contacts a portion of the coil. As the tractor housing is rotated in a rotational direction: the protrusion exerts a displacement force on the coil; and the hose assembly reacts to the displacement force by displacing in an axial direction.

Abstract: A hand operated drain cleaner includes a manually operated rotatable drum and an elongated flexible cable at least partially held in the drum. A portion of the cable extending from the drum has a cable axis, and rotation of the drum rotates the cable portion about the cable axis. A handle is adapted to rotatably support the drum. The handle includes a barrel portion and a handle portion. A feed control device includes a housing having a feed passage axially therethrough for receiving the cable and a trigger for moving the feed control device between a non-actuating position and an actuating position. In the actuating position, a feed control device is pivoted relative to the handle such that the driving mechanism engages the cable thereby inducing axial movement of the cable via rotation of the drum. A locking mechanism is opera operably associated with the feed control device.

Abstract: Described is a drain cleaner assembly, including: a clamp knob having a central cavity therein for accommodating a drain snake; a spout having a central cavity therein for accommodating the drain snake; the spout having at least one gripper cavity therein; at least one gripper disposed in the at least one gripper cavity; the clamp knob and the spout being attached to one another and also being displaceable with respect to one another to achieve at least two orientations, the at least two orientations comprising: a first orientation wherein the clamp knob contacts the at least one gripper and forces the at least one gripper into securing contact with the drain snake; and a second orientation wherein the clamp knob permits the at least one gripper to transition within the at least one gripper cavity to be out of securing contact with the drain snake. Other aspects are described and claimed.

Abstract: A motorized drain snake includes a shank and a coiled member connected with the shank. The shank has a first end provided with a bushing which has an interior provided with a shaft hole for mounting the coiled member. The bushing of the shank is made of soft iron material. The bushing of the shank has an end face provided with a plurality of ramps. The coiled member is hollow, bendable and flexible. The coiled member is made of a metallic wire that is wound successively. The coiled member has a first end securely mounted in the shaft hole of the bushing of the shank and a second end provided with a drilling portion.

Abstract: A drain cleaner for cleaning entangled obstructions such as a clog from a drain pipe such as a sink, tub or shower. A rod extending into the drain pipe is formed of a material which is either metal or plastic but stiff enough that it will not buckle but flexible enough to bend around curves. Arms connected to the distal end of the rod normally flex outwardly such that when the arms are inserted into the pipe they are resiliently flexed against the inside wall of the pipe, the arms being circumferentially spaced apart from each other to create spaces between them and each arm can each flex resiliently independent of the other arms. The device may push some of the clog through to be washed out of the pipe. Obstruction material which is not moved downstream will then be grasped by the arms as the arms move outwardly against the inside wall of the pipe.

Abstract: A drain-cleaning machine comprises a cable, a motor assembly, and a speed control assembly. The cable comprises a longitudinal axis. The motor assembly is configured to rotate the cable about the longitudinal axis of the cable. The motor assembly comprises a motor and a motor control device. The motor is configured to operate at an operating speed that may vary within a range of operating speeds. The motor is configured to produce a substantially constant torque while operating at varying operating speeds across the entire range of operating speeds. The motor is configured to be powered by DC power. The motor control device is configured to receive AC power from an AC power source, convert the AC power into DC power, and communicate the DC power to the motor. The speed control assembly is configured to vary the operating speed of the motor within the range of operating speeds.

Abstract: A device for removing grease from a tubular drain includes a central member. The device also includes an overmolded structure having a plurality of overmolded wiping discs and a plurality of overmolded support structures. Each wiping disc is supported by an overmolded support on either side of each wiping disc of the plurality of wiping discs. At least one of the plurality of overmolded support structures has at least one hole configured to accept a pin to non-slidingly affix the overmolded structure to the central member. Methods for using the device and for manufacturing the device are also described.