Abstract: The dump body of a dump truck includes a tailgate having an opening through which material in the receptacle can be dispensed by an endless conveyor in the dump body, and a feedgate for adjusting the rate of discharge is removably mounted on one of the tailgate and the bottom of the dump body and has a passageway through which the conveyor belt extends and a door displaceable toward and away from the conveyor to adjust the size of the passageway and thus the rate of material discharge when the conveyor is in operation.

Abstract: A wire cleaner for removing impurities from the surface of an elongated welding wire as the wire travels along a given path, the wire cleaner comprises a tunnel with a tube having a central passage surrounding the path with a gap between the tube and the wire moving through the tube, a power supply with first and second output terminals across which is generated an AC output current having a frequency in the range of about 100-300 kHz and a magnitude of at least about 1.0 amperes, a first connector attaching the first output terminal to the tube and a second terminal attaching the second output terminal to the moving wire whereby current proportional to the output current flows along the surface and across the gap to heat the wire to cause evaporation of the surface impurities. As an alternative, induction heating of the wire is used.

Abstract: A power supply connectable to a source of AC line voltage for AC electric arc welding by an AC arc current across a welding gap between an electrode and a workpiece, the power supply comprises a high capacity transformer that converts said line voltage to an AC output voltage, and a rectifier that converts the AC output voltage to a DC voltage between a positive terminal and a common terminal at generally zero volts and a negative terminal and the common terminal. The power supply has a first switch that connects the positive terminal to the common terminal across the gap when a gate signal is applied to the first switch, a second switch for connecting the negative terminal to the common terminal across the gap when a gate signal is applied to the second switch and a pulse width modulator operated for generating pulses at a frequency of at least about 18 kHz.

Abstract: A fishing rod is provided in which unwanted vibration is damped and casting characteristics are improved. Vibration damping elastomeric material is provided as a tapered element within the hollow rod blank near the rod tip and/or as an intervening layer between the rod blank and the rod grip.

Abstract: A device for axially feeding a drain cleaning snake relative to a storage drum therefor comprises axially spaced apart support members having openings therethrough for receiving the snake and a plurality of snake driving rolls spaced apart about the axis of the openings and having opposite ends interconnected with the support members for the support members to be pivotal relative to one another about the axis of the openings so as to displace the driving rolls between neutral and activating positions in which the roll axes are respectively parallel to and skewed relative to the openings and in which the driving rolls respectively disengage and drivingly engage the snake. The support members are spring biased to the neutral position of the driving rolls.

Abstract: A dump truck having a dump body which includes an adjustable feedgate for adjusting the size of a passageway through a rear opening at the rear of the dump body. The feedgate is rotatably mounted within the rear opening to provide for improved control of the flow of materials within the dump body which pass through the rear opening when the feedgate is positioned into an open position. A side guide is incorporated into the feedgate to provide additional control of the flow rate of materials through the rear opening especially at low feed rates.

Abstract: A web tension transducer for mounting between a stationary fixture and a pillow block rotationally supporting a web roller shaft is provided. The transducer includes a body mounted to said fixture for pivotal movement about a single horizontal axis at one longitudinal end, and having a strain gage mounted in a transverse horizontal slot at the opposite end of said body, thus providing maximum deflection of the strain gage in response to downward force applied to the shaft for measurement of the web tension.

Abstract: A method of determining the impedance, inductance, and resistance of the network connecting an electrical power supply to an electric arc welding station including an electrode and a workpiece, wherein the method-comprises: shorting the electrode to the workpiece; creating at least one waveform including a first state operating the power supply at constant current of a selected value and a second state operating the power supply at a low value of current or open circuit voltage whereby the current decays from the selected value along a decay path indicative of di/dt; obtaining the average current Iavg and average resistance Ravg during the first state; selecting a portion of the decay path; sampling the instantaneous current for a number of times on the path during the second state to read the rate of the decay; and, using the average current and the average resistance with the rate of decay to obtain the inductance of the network.

Abstract: A portable implement for providing a source of electrical energy, where the implement has an electric generator with a drive shaft rotatable about a shaft axis and at least one set of electrical output leads, a support housing with a lower ground engaging base, an upper support plate with a central access opening, a bracket in the housing to mount the generator with the shaft axis extending generally vertically through the access opening and a platform on the housing to fixedly attach a standard lawn mower with a cutter blade rotatable about a blade axis onto the housing with the blade axis extending generally parallel to and generally aligned with the shaft axis. A universal shaft coupling carried by the drive shaft and extending through the access opening, which coupling has a lower section connected to the drive shaft for rotation about the shaft axis and an upper section with a nest to receive the cutter for rotation of the upper section about the blade axis.

Abstract: The apparatus according to the invention for filtering contaminated liquids, such as cooling and/or lubricating liquids which are employed during the machining of workpieces with metal removal for example, has a liquid container (11) with an inlet (13) for contaminated liquid and an outflow (15) for filtered liquid, and a filtering insert which can be connected to the outflow is disposed in the container.

Abstract: A process for making and packaging multi serving ice cream products using cryogenic hardening of ice cream in consumer containers before the containers are closed and labeled. A plastic tray container which is stable when disposed horizontally or vertically provides better processing and an improved package for both retailers and consumers.

Abstract: A snowplow blade mount assembly mountable on a vehicle that includes a frame mount assembly which is affixed to a frame of the vehicle and a support assembly that connects to the frame mount assembly. The support assembly is designed to connect to a lift mount assembly and a blade mount assembly. The support assembly enables the blade mount assembly and/or lift mount assembly to be conveniently connected and disconnected from the vehicle.

Abstract: A method and composition for removing sulfur from molten ferrous material, particularly molten pig iron. The desulfurization agent includes a magnesium particle coated with a heat absorbing compound. The heat absorbing compound absorbs heat around the magnesium particle to reduce the rate the magnesium particle vaporizes in the molten iron. The particle size of the magnesium particle is at least about twice the particle size of the heat absorbing compound. A bonding agent can be used to bond the particles of the heat absorbing compound to the particle of magnesium.

Abstract: Feed material for use in producing a thixotropic alloy comprising pellets in the form of a solid cylinder having a length to diameter ratio in the range of from 1:1 to 2:1 and a maximum length of 0.250 inch.

Abstract: An extension assembly is provided for mounting the nozzle assembly of a polyurethane foam spray gun at a location spaced forwardly of the gun housing for operation of the nozzle assembly to mix and dispense chemical constituents in response to standard operation of the spray gun through the trigger mechanism thereof.

Abstract: A flux for use in arc welding of a stainless steel workpiece with a consumable metal electrode, which welding flux comprises a zirconia containing system for forming a slag on the surface of the deposited weld metal. The flux system contains zirconia, silica and titania. The zirconia and titania are contained the flux system in a ratio of at least 1:1.5. The flux system can also include a melting control agent, a fluoride, an arc stabilizer, a slag removal agent and/or a bead wetting agent. Also, there is provided an electrode employing this flux.

Abstract: A portable battery operated tube electrical conduit processing tool is disclosed. The tool has a housing includes a body portion and a handle portion connected in transverse relationship. A battery is connected to the handle portion. A motor is carried by the body portion and a switch controlled circuit connects the battery to the motor. The body portion delineates a work station with a station access opening. A motor driven workpiece drive is mounted adjacent the station. A gear train drivingly interconnects the motor and the drive whereby a workpiece may be drivingly rotated on actuation of the switch to energize the motor. A cutter support and cutter are movingly carried by the body portion. A manually actuatable trigger mechanism is operably connected to the switch and the support for actuating the switch to energize the motor and for pressing the cutter against a workpiece. The gear train further includes an accessory drive shaft for driving burnishing brushes and a disclosed novel reamer.

Abstract: A quick coupler for mounting implements on excavators has an upwardly facing set of recesses for engaging one mounting pin and a laterally facing set of recesses for engaging the other mounting pin on the implement. A freely rotatable latch closing the lateral recesses is provided with two locking mechanisms, both of which provide positive metal to metal lock.

Abstract: An electric arc welder powered by a plurality of liquid organic fuel cells. The fuel cells use a methanol/water mixture as the organic feed. The fuel cells produce carbon dioxide as a reactive product which is used an a shielding gas during the arc welding process. The fuel cells are stacked together to produce the desired arc voltage and current between an electrode and the workpiece. The arc welder includes a welding current to control the current wave shape through the electrode and to control or increase the voltage through the electrode.