Abstract: A powered toothbrush is provided and includes a handle portion having a neck formed at one end and a head coupled to the neck. The handle portion is adapted to receive a pair of batteries therein. The head includes a base, and one or more carriers coupled to the base. At least one of the carriers is operatively connected to a drive for moving the one or more coupled carriers in respective directions. The one or more carriers have bristles, elastomeric cleaning members, or a combination thereof extending outwardly therefrom. The pair of batteries are positioned at a predetermined angle relative to a face of the carrier.

Abstract: A metal brush useful in pipeline pigs, for example, in magnetic flux leakage tools or cleaning tools, a method of making the brush and pipeline pig comprising the brush. The brush has a metal bristle holder and a plurality of metal bristles, the ends of which are held in the bristle holder by being welded to each other and to the bristle holder by fusion welding. The bristle holder may be a tube, or a large metal structure with a hole or cavity. In one embodiment, the brush has a flat bottom surface, and is therefore particularly useful in MFL tools. The brush is not made with solder and therefore avoids many of the problems associated with using solder in pipeline applications, for both MFL and other pipeline applications.

Abstract: A cleaning pad is provided that is disposable into a toilet after cleaning. Also provided is a laminated body of cleaning pads, and a cleaning tool that holds the cleaning pad or the laminated body of cleaning pads. A cleaning pad is formed in such a manner that an intermediate layer containing water-degradable pulp is interposed between two layers of water-degradable nonwoven fabric or water-soluble pulp paper, and the cleaning pad comprises a cleaning composition. A laminated body of cleaning pads is provided by forming cleaning pads in layers, and a cleaning tool holds the cleaning pad or the laminated body of cleaning pads.

Abstract: The Athletic toothbrush and Athletic Spinbrush has a unique design. There is no sports toothbrush like it. There will be an open market for this project because toothbrushes looking like famous athletes will help young people see how important it is to practice oral hygiene. Everyone will benefit from this product because it will bring children and adults together.

Abstract: The structure of the present invention provides pivotable coupling of a head to a handle. The head may assume various pitch angles relative to the handle. Once place at a particular pitch angle the head is releasably fixed-in-place and opposes pitching of the head relative to the handle to assume a new pitch angle. With the application of sufficient force on the head, the head is released from the fixed-in-place pitch angle and a new pitch angle is achieved.

Abstract: A mophead (100) that attaches to a mop handle (94) with seven functional parts, a Padded cloth (64) to add more padding to the back of mophead (100) a wrap (80) that prevents scratching of the floor by wrapping around and covering the plastic or metal parts of a mop handle (94) two mesh (66)(68) that scrapes off tough dirt from floor, a flap (74) that fits inside the mechanism of a mop handle (94) to receive and hold the mophead (100) securely to the mop handle (94) a tie (70) that secures wrap (80) together and a bottom mopping section (78).

Abstract: A submersible cleaner includes a valve within a flow passage for interrupting fluid flow and thus drive the cleaned over submerged surfaces to be cleaned. A retractable element moveable between the valve and a wall within the passage reduces a gap formed between them such that flow through the passage is directed along one side of the valve resulting in improved driving power and reduced clogging by debris passing through the passage. The retractable element may be attached to either the valve or the wall, and may make slidable engagement with between them. A flexible plate engaging the surface includes a plurality of tongues radially extending about the periphery with each tongue having a lower surface portion contacting the surface to be cleaned and an outmost portion contoured away from the surface.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a housing and a recovery tank removably mounted to the housing. A liquid distribution system is operatively associated with the housing for distributing the cleaning solution to the surface. A suction nozzle is secured to the housing and in fluid communication with the recovery tank. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank. The suction nozzle includes a front nozzle portion removably mounted to a rear nozzle portion.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. In one aspect of the invention, the cleaning apparatus includes a housing and a recovery tank removably mounted to the housing. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to the housing. A suction nozzle is secured to the housing and is in fluid communication with the recovery tank. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank. A first latch is operatively connected to the solution tank to releasably latch the solution tank to the housing and a second latch is operatively connected to the recovery tank to releasably latch the recovery tank to said housing, wherein the second latch is in close proximity to the first latch.

Abstract: The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. A recovery tank is removably mounted to the handle and has a front end. A lid covers the recovery tank and has an inlet opening for directing dirt and liquid into the recovery tank and an outlet opening located at the front end of the recovery tank. A suction nozzle is secured to the base portion and fluidly communicates with the inlet opening of the lid. A suction source fluidly communicates with the outlet opening for drawing dirt and liquid from the surface through the suction nozzle and into the recovery tank. A partition device is positioned between the outlet opening and the inlet opening and extends down within the recovery tank a sufficient distance to prevent the liquid from flowing from the inlet opening to the outlet opening.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. The handle includes a lower portion and an upper portion pivotally connected to the lower portion and pivoted between an upper position for use and a lower position for storage. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to one of the base portion and the handle. A recovery tank removably mounted to one of the base portion and the handle and is in fluid communication with a suction nozzle secured to said base portion.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to a side of the handle. A recovery tank is removably mounted to the opposite side of the handle. A suction nozzle is secured to the base portion. A suction source is in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank.

Abstract: A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a base portion for movement along the surface and a handle pivotally connected to the base portion. A solution tank for supplying a flow of cleaning solution to the surface is removably mounted to one of the base portion and handle. A recovery tank is removably mounted to the handle. A suction nozzle is secured to the base portion. A suction source is located downstream of the recovery tank in fluid communication with the suction nozzle for generating suction to draw dirt and liquid through the suction nozzle and into the recovery tank. A suction conduit is fluidly connected between the recovery tank and the suction source.

Abstract: An apparatus for facilitating the collection of leaves and/or yard debris using a portable vacuum device is provided. The apparatus includes a top surface and side walls defining an open-bottom chamber. An intake hose leading to the open-bottom chamber receives materials expelled from an exhaust outlet of the portable vacuum device and routes the expelled materials into the open-bottom chamber. The apparatus can be positioned within a yard waste disposal bag. When the apparatus has been filled with yard waste, it can be removed from the disposal bag, leaving the collected yard waste behind in the bag.

Abstract: A bumper for absorbing impact when a glove box is opened/closed. The bumper is screwed on a crash pad so as to adjust a protruded degree, thereby being capable of easily regulating a T coordinate when a gap problem occurs.

Abstract: Disclosed is a discretionarily adjustable friction force block and tackle balance system comprising a housing and an adjustable break, wherein means are provided for adjusting the friction force between an inner surface of the housing and the adjustable break. An adjustable balance system comprising a housing, a floating anchor assembly, a fixed anchor assembly, a cord, and an elastic suspension is also disclosed. In an embodiment, the housing is a 3-side or 4-side tube or channel. There is at least one elongated hole or slit on at least one surface of said housing. An adjustable break is mounted inside the floating anchor subassembly. Moving the window sash also causes the floating anchor subassembly to move. When the floating anchor subassembly is moved to a position just under elongated hole on the said housing, the adjust screw installed in the adjustable break is exposed.

Abstract: The invention provides a hinge connector for a folding-type electronic apparatus including a first housing, a second housing, a first electronic unit disposed in the first housing, and a second electronic unit disposed in the second housing. The hinge connector, according to the invention, includes a first shaft member, a second shaft member, a frame member and a flexible conductive element. By the hinge connector according to the invention, the second housing is capable of rotating around two axes relative to the first housing, and the first electronic unit electrically connects with the second electronic unit. In particular, during the operation of the electronic apparatus, the portion of the flexible conductive element within the first shaft member and the second shaft member is twisted rather than bent.

Abstract: A hinge device for a foldable apparatus includes first and second hinge sleeves (20, 70) connected respectively to two parts of the foldable apparatus, a spring member (30) received in the first hinge sleeve, a first disk (50) fitted untreatably into the first sleeve, a second disk (60) fitted unrotatably into the second sleeve and abutting the first disk, a pin (90) sandwiched between the first and second disk, and a shaft (10) combining the first and second hinge sleeves together. The first disk defines a receiving recess (511) to receive the pin. The second disk defines two engaging recesses (621, 622). By opening and closing motions of the foldable apparatus, the second disk rotates relative to the first disk so that the pin received in the receiving recess switchably moves with rotation from one engaging recess to the other engaging recess.

Abstract: A hinging device for windows and doors including a fixed frame and a movable frame, comprising: a first support element to be fastened to the fixed frame bearing a main axis of articulation, a second support element to be fastened to the movable frame, a main lever having a first end articulated to the first support element around the main axis of articulation, a secondary lever articulated to an intermediate region of the main lever, and in which a second end of the secondary lever is articulated to the second support element around a first axis of articulation, and a connecting rod having a first end articulated to the second end of the main lever and a second end articulated to the second support element around a second axis of articulation.

Abstract: A hinge device having a way to detach one hinge member from another includes a fender mounting plate with a pivot pin secured thereto, a hood mounting plate having a pivot pin engaging slot, an elongated pawl having a latch plate engaging end, the pawl secured to the hood mounting plate, a latch plate rotatably secured to the hood mounting plate in a spaced relationship with the elongated pawl where the latch plate has a pawl engaging slot shaped to engage the pawl latch plate engaging end, a pivot pin engaging slot shaped to engage the pivot pin, and a pawl unlock surface that contacts the latch plate engaging end when the elongated pawl is not engaged with the pawl engaging, whereby a user can detach one hinge member from another by withdrawing the elongated pawl, translating one hinge member in relation to the other, and thereby rotating the latch plate, which disengages the latch plate and hood mounting plate from the pivot pin and separates the hinge members.

Abstract: A hinge used for a mobile device includes a base mounted on a body of the mobile device. A bracket is rotatably mounted on the base by an upright pintle. A positioning washer is provided between the bracket and the base. A seat is mounted on the bracket, and a lateral pintle is rotatably installed on the seat and substantially perpendicular to the upright pintle. A monitor of the mobile device is installed on the lateral pintle. Whereby, the monitor can be raised while the lateral pintle is rotated about the seat, and can be turned left or right for adjusting a horizontal visual angle while the bracket is rotated about the upright pintle.

Abstract: A magnetic knob is provided for use with a series of plates attached to threaded mounts which may be substituted for kitchen or bathroom cabinet door or drawer knobs. The user simply unscrews existing kitchen and/or bathroom cabinet knobs and replaces them with flat metal plates attached to threaded shafts. The metal plates are a direct replacement for the existing knobs and may not require any drilling or screwing or even use of tools. Once installed, the metal plates provide no means of gripping. Thus, the cabinet cannot be opened by a child or other unauthorized user (e.g., mentally handicapped individual). A knob provided with a strong magnet is provided so that an authorized user may attach the knob to one of the metal plates and thus open the cabinet.

Abstract: A connector device includes a base coupled to a strap and having a chamber formed between two side panels and having a curved slot formed in each of the side panels. A connector frame is rotatably secured to the base with an axle, a shaft is attached to the frame and slidably engaged in the curved slots of the side panels of the base, to guide the shaft to slide in the curved slots of the base. A latch is slidably attached to the frame to selectively lock the frame to the base. Another strap has an intermediate segment engaged over the shaft and engaged around the axle, and may be selectively tightened by the shaft.

Abstract: The present invention comprises a retention strap device which retains a tool or object in the vicinity of the user. The invention comprises an elastic cord formed into a loop, with both ends of the cord terminating in a terminal clip. Disposed along the cord, are first and second slide stops, which allow the user to place and cinch a loop around the tool for securely retaining the tool and to place and cinch a second loop around the wrist of the user or other attachment position on or near the user's person.

Abstract: A holding device comprising two elongated portions, the first portion having a flat side for mounting with double back tape, or by other means, and a recessed alignment slot and double curve on the opposing side that fits the double curve and alignment bar on the second portion, causing absolutely correct alignment of the magnetic parts of the device. The alignment area of the said first portion is attached to the second said portion by means of matching hinge points with a corrosion free hinge pin, which aligns the mating surfaces, and one of the said portions having either a piece of ferrous material or a magnet encapsulated, and the opposing portion having magnetic material encapsulated, attracting the second said portion to the first said portion, thus, holding until deliberately removed, various materials between the two said portions, such as, but not limited to, a towel.

Abstract: A closure tab is provided and includes a first substrate. A second substrate is adhesively attached to the first substrate. The second substrate has mechanical closure material formed thereon. A compression bond pattern is applied to the first substrate and the second substrate. The compression bond pattern includes at least one outwardly extending protrusion. The compression bond pattern may include, for example, circular bond points, stripes, or a decorative element. A method is also provided wherein the second substrate is compressed onto the first substrate by a patterned roller. The second substrate may be compressed onto the first substrate by a plurality of pins spaced in alternating offset rows.

Abstract: The detent means for a heat sink has on each of the two ends of a pressing member a fixing engaging member and a movable engaging member, the movable engaging member is provided thereon with a foldable member. Wherein the pressing member is provided on the heat sink, the fixing engaging member extending downwards to engage protrusions on a side of a fixing seat of a microprocessor, the movable engaging member can be lowered to engage with protrusions on an opposite side of the fixing seat of the microprocessor, and the movable engaging member can be raised to a predetermined level under the action of the foldable member to thereby exert a force on the pressing member, thus the heat sink and the microprocessor at the center of the fixing seat can be press connected with each other.

Abstract: A footwear lace retainer includes a first fabric sheet having a pair of spaced-apart openings for passage of the lace therethrough and a second fabric sheet secured to the first fabric sheet to form a pocket sized and shaped for receiving ends of the lace therein and having an open end facing toward the openings. A portion of the first fabric sheet forms a closure selectively foldable between a closing position wherein the open end of the pocket is closed and an opening position wherein the open end of the pocket is open. The openings are located between a fold line of the first fabric sheet and the open end of the pocket. A hook and loop fastener releasably secures the closure in the closing position. An attachment on the first fabric sheet opposite the pocket secures the first fabric sheet to the lace.

Abstract: The present invention provides an embalming weighted positioning device for maintaining and/or restoring a cadaver in a substantially normal lifelike appearance before, during, and after the embalming process, comprised of a flexible, conformable adherent container having a front surface, a back surface, two sides and two ends, wherein each side and each end can be either concave-shaped or convex-shaped, thus allowing for the nesting of two or more containers. Additionally, the container can have a fill spout defining an opening in the front surface or back surface of the container for filling or emptying the container with particulates and/or air before, during or after the embalming process, wherein the fill spout has a removable cover closing the opening.

Abstract: In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has one roller adapted to induce crimp into the tow. This roller induces crimp by preferentially weakening a portion of the tow. This roller has an axially grooved surface. This roller may be located in the stuffer box crimper or before the stuffer box crimper.

Abstract: An apparatus and process for making a cigarette tow comprising: means for spinning a dope comprising a solution of cellulose acetate and solvent; means for taking-up the as-spun cellulose acetate filaments; means for lubricating the cellulose acetate filaments; means for forming a tow from the cellulose acetate filaments; means for crimping the tow, the means for crimping comprising a stuffer box crimper comprising a pair of nip rollers adapted to engage the tow, a pair of cheek plates juxtaposed to the pair of nip rollers adapted to keep the tow between the pair of nip rollers, a pair of doctor blades adjacent to an exit end of said pair of nip rollers, and a stuffer box having a stuffer channel adjacent the pair of doctor blades adapted to receive the tow into the channel from the pair of nip rollers, a flapper located at a distal end of the channel adapted to bearingly engage the tow; means for drying the crimped tow; and means for baling the dried crimped tow.

Abstract: In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a steam injector in communication with the stuffer channel of the crimper. The steam injector consists of a single pair of injectors vertically aligned with one another above and below the stuffer channel of the crimper.

Abstract: A method of installing a self drilling anchor for use in a friable material mounted on a member comprising an elongated body having an axis, an axial bore adapted to receive an elongated fastener, a flared end having torque transmitting surfaces therein, a proximal portion, an intermediate portion, a distal portion, and a drilling tip generally opposite the flared end, wherein the proximal portion has a threaded exterior having a root, a crest diameter, and a thread height, the intermediate portion has a threaded exterior having a root, a crest diameter substantially smaller than the crest diameter of the proximal portion, and a thread height substantially smaller than the thread height of the proximal portion, and the distal portion has a threaded exterior with a root that tapers toward the drilling tip, a crest diameter substantially smaller than the crest diameter of the proximal portion, and a thread height substantially smaller than the thread height of the proximal portion.

Abstract: This process comprises the step consisting in forming the structure from a single wire, by running each strand of wire helicoidally from one end to the other of the structure and by interlacing this strand with other strands previously arranged. Said method moreover comprises the steps consisting in:—forming a loop (12) between each strand (11b, 11c) at each end of the structure (10) and setting the free ends of the first (11b) and of the last strand significantly back from the ends of the structure (10).

Abstract: A device for reducing knot slippage comprising a ring or tube segment having inner and outer walls forming an opening therein and top and bottom rims. Either one or both of the rims have a series of pointed protrusions extending from the rim. Laces passing through the opening and then knotted at least partially engage the protrusions, thereby reducing slippage of the knot and keeping the laces tied.

Abstract: A multi-layered support structure of an open magnetic resonance imaging (MRI) system, configured to provide high permeability to a magnetic flux from a source of a magnetic field, includes a first multi-layered support structure, a second multi-layered support structure and at least one third support structure, connecting the first multi-layered support structure and the second multi-layered structure.

Abstract: Small sheet metal reinforcement pieces are co-formed with a larger sheet metal part during a hot stretch forming against a heated forming tool surface. Locator holes are made in blanks for the reinforcing pieces so they can be precisely located on locator pins in the forming surface where the reinforcing pieces are ultimately to be attached to the formed sheet part. A preheated blank of the larger part is stretched against the trapped reinforcement blanks and both the part and reinforcing pieces are shaped against the hot tool. The part and reinforcing pieces are removed and cooled, and the closely fitting reinforcing pieces attached to the part at a suitable later time.

Abstract: A plurality of staking die sets is provided, each adapted to crimp an iron fence rail onto a picket where the latter passes through an aperture in the former. Each die set comprises a staking die matching the cross sectional shape of the picket and adapted to embrace one half of the picket on one side of the rail. A corresponding anvil die opposes the staking die on the opposite side of the rail. Mechanically leveraged, powered jaws force the staking die toward the anvil and against the rail to squeeze the rail in the immediate vicinity of the picket, causing rail metal around the aperture to flow toward the picket, reducing the aperture until the picket becomes immobilized. A plurality of such jaws and dies, adjustably arrayed at selected spacings and coupled to a common power source, allows a single staking operation to affix simultaneously all pickets in a given length of rail.

Abstract: A process and apparatus for continuously forming and coating a tube with a braze alloy. The apparatus includes a device for continuously delivering tubing material to a device that forms a continuous tube from the tubing material, a device for preheating the tube, a device for depositing the braze alloy on the tube, a device for cooling the tube and the braze alloy layer before the surface of the braze alloy layer oxidizes, and optionally a device for sizing the tube. The deposition device includes an enclosure and at least one thermal spray gun that receives a metallic material from the source, heats the metallic material, and deposits the metallic material through an inert gas to form a layer of the braze alloy on the surface of the tube as the tube continuously travels through the enclosure.

Abstract: A method of making an encoder for use in a speed sensor includes providing a metal tube. A material containing ferrite is then extruded over the metal tube to produce an encoder tube. The encoder tube is cut to a given length to form an encoder. The encoder is then magnetized within a magnetic field.

Abstract: A method for assembling a head-drum assembly for a magnetic recording/reproducing apparatus is provided. The head-drum assembly is assembled by inserting a shaft to a fixed drum first, setting up a motor stator in the fixed drum, and putting a rotary drum assembly and drum cover assembly into the shaft sequentially. The method can reduce the number of part to be abandoned due to a defect caused in the assembly process by performing a process of assembling the shaft and the fixed drum first, an area in which most defects are caused, and then proceeding to the subsequent assembly processes.

Abstract: A method is provided for preserving the transverse biasing of a GMR (or MR) read head during back-end processing. In a first preferred embodiment, the method comprises magnetizing the longitudinal biasing layers of the read head in a transverse direction, so that the resulting field at the position of the transverse biasing layer places it in a minimum of potential energy which stabilizes its direction. The field of the longitudinal biasing layer is then reset to the longitudinal direction in a manner which maintains the transverse biasing direction. In a second embodiment, a novel fixture for mounting the read head during processing includes a magnetic portion which stabilizes the transverse bias of the read head. The two methods may be used singly or in combination.

Abstract: A voice coil and actuator yoke assembly is fabricated by deforming the coil to exactly fit the inner perimeter and thickness of the yoke. The comb is placed in a tool that registers the comb with the yoke against the same flat surfaces that will squash the coil. The tooling is closed and placed in an appropriate loading device and the coils are squashed to the precise thickness of the yoke. This eliminates the in-plane tolerances of the current process for bonding a coil into the yoke. The coil perimeter expands as the coil is squashed to form an intimate press fit with the yoke. A low viscosity, high Tg adhesive is then applied to the coil. The low viscosity of the adhesive allows capillary action to fill the voids between the wires and bond the coil to the yoke.

Abstract: A component mounting system includes first to third (pickup, transfer, and placement) stations. A component supplied at a component supply is picked up by a transport head at the pickup station and then transferred to a placement head at the transfer station. The placement head carries the component to the placement station where the component is placed and mounted onto a substrate such as a circuit board. The component, when held by the placement head, is recognized by an imaging device at or in the vicinity of the transfer station.

Abstract: The disassembling tool for a process cartridge has a base body, an engagement portion provided on the base body and adapted to be engaged with the process cartridge to thereby position the process cartridge, a pushing-out portion provided for movement relative to the base body for pushing out a coupling member, and a grip portion adapted to be gripped when the pushing-out portion is to be moved, and connected to the pushing-out portion, and the engagement portion is provided at a location opposed to the pushing-out portion in a movement direction in which the pushing-out portion is moved. Thereby, a process cartridge having a frame can be simply disassembled.

Abstract: A process for manufacturing an electrical connector is described.

Abstract: This invention relates to circuit boards and methods of fabricating circuit boards. A circuit board includes a core layer and a surface layer. The core layer includes a number of fibers and the surface layer has a thickness that is between about 10% and about 30% of the circuit board thickness. Including fibers in the core layer increases the strength of the circuit board. The surface layer is essentially free of fibers and relatively thick. The thickness of the surface layer inhibits the formation of cracks in the circuit board, which improves the reliability of circuits and systems coupled to the circuit board.

Abstract: A method is provided for efficiently manufacturing a high quality internal combustion engine piston having an annular cavity allowing for good circulation of cooling fluid. An annular groove is formed at the circumferential edge of the top face of a piston crown, or at the top of the exterior circumferential face of the crown, and an annular protruding strip is formed as a continuation of an edge of the opening of the annular groove. The protruding strip is bent in the direction of the opening of the annular groove by bringing to bear a pressure roller 11, while rotating the main piston body. Consequently, the opening of the annular groove is closed, whereby an annular cavity for circulating cooling fluid is formed so as to surround a pressure receiving recess.

Abstract: The invention is a layout tool and a means for using the tool to fabricate multi-segment elbows and offset joints from rectangular cross-section fibrous air ductboard material. The tool has a triangular main body having at least one structural feature that defines a plane. At least one flange is connected to the main body, is oriented substantially perpendicular to the main body plane, and forms the first side of the triangle. The main body includes a first outer straight edge extending at an angle of 67.50 degrees from the flange forming the second side of the triangle. A second outer straight edge extending at an angle of 78.75 degrees from the flange forms the third side of the triangle. An inner structure of the main body forms a straight edge perpendicular to the plane of the flange. The outer angled and interior straight edges enable 22.5- and 45-degree miter joints to be easily marked and cut in pre-formed fibrous air duct.

Abstract: A method and apparatus for creating a reinforced vertical multi-sided monopole tower for supporting equipment including a multi-sided monopole, a plurality of holes on three equally spaced sides of the multi-sided monopole tower and tower reinforcement apparatus mounted to the holes. The tower reinforcement apparatus includes bolts supporting a first flat bar and a second flat bar on each side of the tower. The upper end of the first flat bar abuts a lower end of the second bar and a plate is bolted over adjacent ends connecting the first and second flat bar such that the first and second flat bars are sandwiched between the plate and a side of the perimeter of the monopole.