Abstract: A system and method for analyzing a device that includes a mass configured for motion. The system includes a tri-axial accelerometer disposed to detect acceleration vectors of the device and to output three channels of acceleration data, and a user interface receiving the three channels of acceleration data. The user interface is configured to correlate the three channels of acceleration data with a reference frame defined by three orthogonal axes intersecting at a vertex, and includes a display and a selector. The display shows sets of options that represent dispositions of the device with respect to gravity, placements of the tri-axial accelerometer with respect to the device, and orientations of the tri-axial accelerometer with respect to the device. The selector selects one device disposition option, one tri-axial accelerometer placement option, and one tri-axial accelerometer orientation option.

Abstract: Systems, apparatus, and methods for controlling acoustic power delivery at ultrasonic frequencies. An embodiment of the invention comprises an ultrasonic device including an ultrasonic transducer and an acoustic sensor having a fixed acoustic coupling to the transducer. A method of the invention may include sensing acoustic power output from the ultrasonic transducer in response to a calibration signal, and determining a drive frequency for a working drive signal to enable efficient and controllable operation of the transducer. The invention may be used for automatically re-calibrating ultrasound systems for optimum performance at frequencies including the range of 3 to 12 MHz.

Abstract: A method of detecting a deviation angle in a single-crystal metal structure is disclosed. The single-crystal metal structure has a crystallographic orientation, a length, a first side, a second side, and a first axis extending through the structure. The method comprises determining the length of the single-crystal metal structure along the first axis, transmitting a signal through the single-crystal metal structure from the first side, the signal oriented to propagate along the first axis, receiving the signal, determining a time-of-flight for the signal to traverse the length from the first side to the second side, determining a speed of the signal based on the time-of-flight and the length, and comparing the speed of the signal to a reference speed to detect the deviation angle.

Abstract: An ultrasound inspection system is provided for inspecting an object. The inspection system includes an ultrasound probe configured to scan the object and acquire a plurality of ultrasound scan data. The inspection system further includes a processor coupled to the ultrasound probe and configured to apply a transfer function to the ultrasound scan data to compensate for distortion of a plurality of ultrasound signals through the object and thereby generate a plurality of compensated ultrasound scan data, and to process the compensated ultrasonic scan data to characterize a feature in the object.

Abstract: A tracking device is provided with a non-contact type displacement gauge, a positioner which moves a flaw detecting sensor within a plane perpendicular to an axial direction of a pipe or tube, and a positioning controller which controls the positioner.

Abstract: A load indicating member is provided with an identifying element which can be accessed and used to determine ultrasonic measurement parameters specific to the load indicating member to provide more precise and more reliable load measurements by compensating for differences resulting from manufacturing variations in individual load indicating members. The parameters specific to the load indicating member can be stored in coding applied to the load indicating member or in a database that can be accessed remotely, for example, using the Internet.

Abstract: A weld inspection device is disclosed. The weld inspection device comprises a first annular engagement portion surrounding a central axis and a second annular engagement portion. The first annular engagement portion has a first holed segment extending circumferentially around an outer edge of the first annular engagement portion and having a first hole adapted to receive a threaded member and a standoff segment extending in a first direction along the central axis from the first holed segment, the standoff segment having a concavity. The second annular engagement portion surrounds the central axis and has a second holed segment extending circumferentially around the central axis and having a second hole adapted to receive and threadedly engage a threaded member, and a retaining flange extending radially inward toward the central axis.

Abstract: A reinforced panel (1) comprising: a composite skin (2); a plurality of stringers (3, 4) bonded to the skin; and one or more strain actuators (5), each positioned between an adjacent pair of stringers. A load is applied to the panel in the plane of the skin, and a local strain is applied to the skin by the strain actuators when the compressive load exceeds a predetermined threshold. This causes the skin to buckle and reduce interface stresses between the skin and the stringers.

Abstract: An electromagnetic flowmeter for mass flow measurement of a flowing medium having a measuring tube (1), a magnetic field generator for generating a magnetic field that at least partially passes through the measuring tube (1), two magnetic coils (2), and two electrodes for tapping into a measurement voltage induced in the flowing medium. The measuring tube (1) is designed as an integrally molded metal pipe or as a metal pipe produced integrally by means of hydroforming. Preferably, the measuring tube has a wall thickness that is smaller at a mid-section than at its ends, and reinforcing ribs in the mid-section.

Abstract: The invention relates to a combination of a load cell (7) and a tubular insert (3) for mounting in a bore (2) in a machine component (1), wherein the load cell (7) is structurally connected to an inner sleeve (6), which is axially displaceable inside an outer sleeve (4), which is insertable in the bore (2), said inner and outer sleeves (6, 4) having portions with mutually tapering envelope surfaces facing each other, and means (5, 8, 11) being provided for displacing the inner sleeve (6) and the outer sleeve (4) axially relative to each other for expanding the outer sleeve (4) partially for increasing the grip between the insert (3) and the bore (2), thereby giving the load cell (7) a pretension sufficient for emitting signals representative for the current load acting on the machine component (1).

Abstract: A detection system for identifying an unknown substance includes a detector assembly configured to receive a particulate or vapor and determine a substance contained within the collected vapor or particulate sample, and at least one heater element operatively coupled in flow communication with the detector assembly. The heater element is configured to attract an airborne vapor when the detection system is in a vapor mode, and desorb at least a portion of the attracted particulate when the detection system is in a particulate mode.

Abstract: Method and apparatus for parallel dispensing of powder samples is described. Powder samples are dispensed into at least two powder sample holders, each said sample holder having a through passage which preferably generally tapers from a first aperture through which powder is introduced into said passage and a second aperture through which powder, when permitted to do so, flows from said passage. The lower apertures of the sample holders are preferably sealed using a resilient film. The powder samples are dispensed by substantially simultaneously perforating the film covering each aperture and agitating the powder samples to cause them to flow from their respective sample holders. Also disclosed are a method of generating a library of powder samples and a library of powder samples.

Abstract: An automated sample processing system having a sample input adapted to simultaneously receive a number of sample containers, a reagent input adapted to receive one or more new reagent supplies, a consumable input adapted to receive one or more new consumable supplies, a solid waste output adapted to receive used consumable supplies, a liquid waste output adapted to receive one or more used reagent supplies, and a processing center. The processing center includes a decapper adapted to remove a lid from at least one sample container, an aspirator adapted to remove a specimen from the at least one sample container and transfer the specimen to an output vessel, and a capper adapted to replace the lid on the at least one sample container.

Abstract: An apparatus and method are provided for analyzing the release of active agent(s) from pharmaceutical and pharmaceutical-like products. The apparatus and method provide for more accurate simulation of the conditions in the GI tract and oral cavity including forces that are applied to the dosage form.

Abstract: A measuring probe for a measuring device for ascertaining and monitoring fill level of a medium in a container. The measuring probe includes: a probe holding element, which is mounted on the container; and a probe element, which is secured in an axial bore of the probe holding element by means of a releasable securement structure. A first cavity is provided in the axial bore of the probe holding element and a second cavity on the probe element, and a locking element is provided, which, in a final position of the mounting of the probe element in the probe holding element, protrudes into the first cavity and into the oppositely lying second cavity on the probe element and, thus, forms an axial locking.

Abstract: A method of mounting a contactor comprising: a step S10 of recognizing a reference point on a mount base; a step S12 of recognizing the positions of first marks on the mount base to calculate the actual relative position m1 of the first marks with respect to the reference point; a step S13 of calculating a theoretical relative position m0 in design of the first marks with respect to the reference point; a step S14 of calculating the relative amount of deviation ?m of the actual relative position m1 with respect to the theoretical relative position m0; a step S22 of recognizing the positions of first marks in the mounting system; a step S23 of specifying the mounting position of the contactor on the mount base on the basis of the amount of deviation ?m and the position of the first marks; and steps S27 and S28 of mounting the contactor at the mounting position.

Abstract: A transmission mechanism with intermittent output movement includes an output shaft rotatably mounted to first and second cams and a sun gear mounted to the output shaft. A first rocker includes a first planet gear meshed with the sun gear and first and second rollers rotatably mounted on opposite sides of the first planet gear and respectively in contact with the first and second cams. A second rocker includes a second planet gear meshed with the sun gear. An end of a first connecting rod is mounted to the first rocker. An end of a second connecting rod is mounted to the second rocker. Two ends of a link are rotatably mounted to the other ends of the first and second connecting rods. A planet gear carrier is mounted to an input shaft coaxial to the input shaft and includes an end rotatably mounted to the first rocker.

Abstract: A double-clutch gearbox includes two primary shafts and at least one secondary shaft. Each of a plurality of gear pairs mechanically couples the primary shaft to the secondary shaft and defines a respective gear. Each gear pair includes a primary gear mounted to the primary shaft and a secondary gear, which is mounted to the secondary shaft and permanently meshes with the primary gear. Synchronizers coaxially mounted to a shaft are coupled to a gear of at least one gear pair and adapted to be actuated to engage the gear with the shaft. Forks that actuate the synchronizers are movably mounted and have corresponding catches. A single control shaft is rotationally mounted about and can be slid axially along a longitudinal axis. A single gear actuator is connected to the control shaft to rotate the control shaft about and axially displace the control shaft along the longitudinal axis.

Abstract: A ball screw device includes a screw engaged into a nut member for forming an endless ball guiding passage between the nut member and the screw and for receiving a number of ball bearing members, a deflector includes a deflector member engaged into the nut member and having an upwardly extended ridge engaged with a recess of the nut member to position the deflector member to the nut member and to prevent the deflector member from deviating relative to the nut member, and a fastener is secured to the nut member to force the ridge of the deflector member to solidly engage with the recess of the nut member and to suitably anchor or position the deflector to the nut member.

Abstract: A robotic tool positioning system for positioning a first tool and a second tool. The system includes an inner shaft, a first tool arm and a first drive assembly. The first tool arm is connected to the lower portion of the inner shaft at the lower end thereof and extends radially outward therefrom, and has a first tool supporting surface disposed at a tool elevation for supporting the first tool thereon. The system further includes a tubular outer shaft, a second tool arm and a second drive assembly. A lower portion of the inner shaft extends through the tubular outer shaft. The second tool arm is connected to the tubular outer shaft at the lower end thereof, and has a second tool supporting surface disposed at the tool elevation for supporting the second tool thereon.

Abstract: A shift operation device includes: a shift operation member including: a shaft portion; and an arm portion protruding in a radial direction with respect to a center axis of the shaft portion and being rotated around the center axis to perform shift operation of a gear; and a plurality of shift rail members, each of which includes: a rail portion; a shift fork portion; and a shift lug portion capable of being engaged with the arm portion. An engagement portion of the shift lug portion includes a pair of columnar projections arranged at positions mutually different in the shift direction and the select direction. When the shift lug portion is retained in a neutral position, pressure receiving surfaces of the columnar projections are approximately positioned on a reference orthogonal surface superimposed on the center axis and orthogonal to the rail portion.

Abstract: A method for shifting gears in a transmission. In one embodiment a mechanical transmission gear shifting assembly, for a transmission with multiple gear selectors that, when moved in a back and forth motion, selects different gear ratios. The apparatus uses a cam with a cam follower for moving gear selectors, in response to the same active cam surfaces. The apparatus additionally includes a retractable stop dog, and detents for moving, stopping and holding the cam at all times. The cam moves in increments corresponding to sequentially increasing or decreasing selected gear states of the transmission.

Abstract: A multiple degrees of freedom motion system comprising an arrangement of rigid stages, flexure constraint modules, actuators, and sensors. These components of the motion system are arranged and connected in a systematic fashion to provide a high degree of decoupling between the motion axes, suitable placement of ground-mounted actuators to actuate each motion axis, and suitable placement of sensors to allow end-point measurement along each motion axis. This arrangement of rigid stages, flexure constraint modules, actuators and sensors enables large motion range and high motion quality in the motion system, while using standard and commonly available components.

Abstract: Robots, and atomic force microscopes including robots, that utilize in-plane actuators to provide large out-of-plane working volumes and forces.

Abstract: A pedal system including a support base, a first lever including a root portion and a terminal portion formed such that the terminal portion interfaces with the root portion at a bend in the first lever of a first predetermined angle, the root portion of the first lever being pivotally mounted to the support base such that the first lever is rotatable in a first plane of rotation about an axis of rotation at or near the support base, a second lever including a root portion and a terminal portion formed such that the terminal portion interfaces with the root portion at a bend in the second lever of a second predetermined angle, the root portion of the second lever being pivotally mounted to the support base such that the second lever is rotatable in a second plane of rotation about the axis of rotation.

Abstract: A handle control provided with: a supporting body, which is provided with a central through hole and is adapted to be fitted about a handlebar to be rigidly fixed to the handlebar; a twist grip, which has a tubular shape, is rotationally carried by the supporting body and is centrally perforated to be fitted about the handlebar so as to rotate with respect to the handlebar; and an angular position sensor, which is adapted to read the angular position of the twist grip; the angular position sensor has at least one rotor, which is supported by the twist grip to rotate along with the twist grip and is adapted to influence an electric field; and at least one reader, which is carried in a stationary position by the supporting body, is arranged close to the rotor, and is suitable for a contactless and remote reading of the orientation of the rotor.

Abstract: A telescopic shaft (5) has an inner shaft (12) and tubular outer shaft (13) that are fitted to each other so that they can move relative to each other in the axial direction and that they can transmit torque to each other. A row of balls (14) is placed in respective raceway grooves (15; 16) of the inner shaft (12) and the outer shaft (13). Limiting mechanisms (20A; 20B) are provided in the telescopic shaft (5), and the mechanisms limit the amount of relative rotation of the inner shaft (12) and the outer shaft (13) when a ball (14) comes off the raceway grooves (15; 16). The limiting mechanisms (20A; 20B) include a pair of engagement sections (21, 22; 23, 24) engaging with each other in a circumferential direction (C1). The engagement sections (21, 22; 23, 24) are provided at ridges (25, 26) and recesses (27, 28), and the ridges (25, 26) and recesses (27, 28) are adjacent to the raceway grooves (15; 16) of the inner shaft (12) and the outer shaft (13), respectively.

Abstract: A bicycle handlebar grip includes a cylindrical sleeve made of a material sufficiently rigid to retain the shape of the grip. The sleeve has an open end to be pierced therein by one end of a handlebar of a bicycle. A resilient intermediate layer tightly covers the surface of the sleeve. A strip then spirally wraps about said intermediate layer to be an outer layer of the grip.

Abstract: The present invention provides a high inertia flywheel for a vehicle including a hub, a periphery of which is surrounded by a rim, and a housing, wherein at least one annular ring is provided on either side of the flywheel, whereby, on oscillation of the flywheel, a contact surface of the flywheel contacts against a contact surface of the annular ring, thus causing friction.

Abstract: A conduit arrangement for a pressurized fluid, in particular for connecting a gearbox to an oil cooler. The conduit arrangement comprises a first fluid conduit and a second fluid conduit which can be connected to a housing, such as a gearbox housing, by means of a connecting arrangement. The connecting arrangement has a first connecting part and a second connecting part which have a respective through-passage. At least one of the connecting parts is made of plastic, wherein at least one of the fluid conduits is made of plastic. The plastic connecting part and the plastic fluid conduit are integrally connected to one another.

Abstract: A seal for a fluid-fillable vessel of a gearing or motor is provided. The seal includes a first sealing body with a first inside sealing lip, with a first leg protruding from the sealing body, at the distal end of which there is arranged a second outer sealing lip which protrudes from the first leg. Reliable sealing can thus be achieved and apparent leakiness of a fluid vessel can be prevented at the same time.

Abstract: In a method for assembling an adjusting unit for motor vehicles which comprises a housing, consisting of at least two housing parts, and further functional components arranged in or on the housing and which is to be built into a motor vehicle, at least one irradiation source is provided by which a laser irradiation usable for laser welding is producible; at least one housing part of the adjusting unit is provided which consists at least partially of a material that absorbs the laser irradiation; at least one further housing part is provided which consists at least partially of a material that is permeable for the laser irradiation; further functional components of the adjusting unit are arranged on at least one of the housing parts such that they are arranged in or on a housing formed by the housing parts; the housing parts are connected to each other in that the housing assembled from the housing parts and the at least one irradiation source are positioned with respect to each other in such a manner that emi

Abstract: A motorcycle wherein only air can be communicated between the inside and the outside of a gear case without increasing the size of the gear case. A gear case includes a gear case body and a gear case cover. The gear case body includes a breather chamber of a labyrinth structure which continues in a circumferential direction of a rear wheel and extends in an upward and downward direction. An upper end of the breather chamber is in communication with a breather path and is open to atmospheric air while a lower end of the breather chamber is in communication with a gear chamber through a slit extending in a widthwise direction of the rear wheel.

Abstract: There is provided a multi-turn hydraulic actuator used to open/close a passageway in ground and sea industries including general industrial machines, oil refineries and chemical plants and power generating plants, among others, and more particularly, a multi-turn hydraulic actuator comprising: a hydraulic motor and a decelerator, among others, whereby high torque is efficiently obtained by using low electric power, compared to a conventional electric actuator, and whereby an operation part and a drive part are freely attached to/detached from at a user's necessity.

Abstract: An angular indexing apparatus for a machine tool includes a rotating shaft, to which a rotationally driven member is secured; a removable housing surrounding the outer periphery of the rotating shaft; bearings disposed between the housing and the rotating shaft and separated from each other in the axial direction of the rotating shaft; and driving means, provided between the housing and the rotating shaft, rotating the rotating shaft to index an angular position. The driving means uses drive motors, each including a motor rotor and a motor stator disposed concentrically around the rotating shaft, and separated from each other in the axial direction of the rotating shaft. A multiple-row roller bearing capable of supporting an axial load and a radial load is used for the bearing closest to the side of the rotationally driven member.

Abstract: The invention describes a method for recovering molybdenum, nickel, cobalt or their mixtures from used or regenerated catalysts in an electric arc furnace containing a heel of liquid cast iron, surmounted with a fluid slag, comprising the following steps: a) adding used or regenerated catalysts into the heel contained in the electric arc furnace, b) adding dosed lime in order to obtain a slag with a CaO to Al2O3ratio comprised between 0.7 and 1.3, c) mixing the heel by injecting gas so as to avoid formation of crusts, d) melting the used or regenerated catalysts in the electric arc furnace in order to obtain a liquid ferro-alloy.

Abstract: A method for producing pig iron by direct processing of ferrotitania sands, by the steps of: (a) mixing carbonaceous reductant, a fluxing agent, and a binder with titanium-containing materials selected from iron sands, metallic oxides, and/or iron ore concentrates, to form a mixture; (b) forming agglomerates from the mixture (c) introducing the agglomerates to a melting furnace; (d) melting the agglomerates at a temperature of from 1500 to 1760 C and forming hot metal with a slag thereon; (e) removing the slag; (f) tapping the hot metal; and (g) recovering the titanium and vanadium values.

Abstract: A method for producing liquid ferroalloy by direct processing of manganese and chromium bearing iron compounds, by the steps: of mixing carbonaceous reductant, fluxing agent, and a binder with materials such as iron sands, metallic oxides, manganese-iron ore concentrates and/or chromium-iron ore concentrates and silica sands, to form a mixture; forming agglomerates from the mixture; feeding the agglomerates to a melting furnace with other materials; melting the feed materials at a temperature of from 1500 to 1760 C and forming a slag and hot metal; removing the slag; and tapping the hot metal as liquid ferroalloy.

Abstract: A process and apparatus for producing lead and zinc from concentrates of zinc and lead sulfides or oxides includes the steps of: (a) mixing lead ore and/or zinc ore concentrates, iron bearing and carbon containing materials, metallic iron fines and iron oxide fines, carbonaceous reductant, fluxing agent, and a binder to form a mixture; (b) forming agglomerates from the mixture (c) introducing the agglomerates to a melting furnace; (d) maintaining a reducing atmosphere within the melting furnace; (e) vaporizing lead and zinc in the melting furnace at a temperature of 1000 to 1650 C, and removing the lead and zinc from the melting furnace in vaporized form; (f) cooling and condensing the metal vapors to liquid metal; and (g) separating the zinc and lead; and (h) recovering the lead and zinc metal separately.

Abstract: An improved method for processing of nickel bearing saprolite and limonite ores to recover the valuable minerals contained therein, comprising leaching the ore with nitric acid to form a slurry; separating the iron values by precipitation, removing the iron values; forming a liquid/solid residue in which nickel, cobalt and magnesium are in solution, and manganese and aluminum are solid residues in oxide form; conducting a liquid-solid separation and removing the solids; and recovering the nickel, cobalt, and manganese from the liquid-metal concentrate. The leachate is recovered and nitric acid from the leachate is recycled.

Abstract: A heap is constructed with hypogenic copper sulfide bearing ore to include exposed sulfide mineral particles at least 25 weight % of which are hypogenic copper sulfides. The concentration of the exposed sulfide mineral particles is such that the heap includes at least 10 Kg of exposed sulfide sulfur per tonne of solids in the heap. At least 50% of the total copper in the heap is in the form of hypogenic copper sulfides. A substantial portion of the heap is heated to at least 50° C. The heap is inoculated with a thermophilic microorganism, and bioleaching is carried out so that sufficient sulfide mineral particles in the heap are biooxidized to oxidize at least 10 Kg of sulfide sulfur per tonne of solids in the heap and to cause the dissolution of at least 50% of the copper in the heap in a relatively short period of time.

Abstract: A multiple bit device for an automatic drill or screwdriver includes a plurality of bits of different size and functionality, in one compact unit. The multiple bit unit provides a convenient and handy arrangement of bits which allows the user to easily switch to different bits. Additionally, since all of the bits are in one unit, misplacement is less likely, as is with single bit units. Optionally, at least one extender unit which fits over any one of the bits in the multiple bit unit, and supports an additional bit piece may be included.

Abstract: A multiple bit device for an automatic drill or screwdriver includes a plurality of bits of different size and functionality, in one compact unit. The multiple bit unit provides a convenient and handy arrangement of bits which allows the user to easily switch to different bits. Additionally, since all of the bits are in one unit, misplacement is less likely, as is with single bit units. Optionally, at least one extender unit which fits over any one of the bits in the multiple bit unit, and supports an additional bit piece may be included.

Abstract: A novel safety-equipped chuck wrench is provided, as well as a method for using the same. The safety-equipped chuck wrench comprises a chuck wrench and a safety device associated with the chuck wrench, where the safety device comprises an alarm, a power source and an alarm activation switch. The alarm activation switch causes the alarm to activate so long as the chuck wrench is engaged in a chuck, subject to de-activation by engagement of a cut-off switch, if any. The alarm may be an audible alarm, a visual alarm, or both. The safety-equipped chuck wrench may include a mechanism for temporarily disabling the alarm, preferably through the use of a cutoff switch.

Abstract: Wrench (1) for providing a maximum torque to an external part, characterised in that it comprises at least one elongated metal part (3) provided with a fixed end (4) and a pusher end (5), and which also comprises a torque-applying head (6) upon which the pusher end (5) acts, wherein the elongated metal part (3) is capable of bending when a torque is applied with the wrench, and wherein the elongated metal part (3) reaches a maximum bending point that determines the maximum torque provided by the wrench (1). The inventive wrench (1) is easier to use than conventional spring-based wrenches as the force required to adjust the torque is minimal and independent of the torque value to which the wrench is adjusted. It is also capable of providing higher torque values.

Abstract: The invention relates to a cutting device for cutting continuously conveyed printed products (5). The cutting device has multiple conveying elements (3) which run around a closed path for conveying at least one single printed product (5) or printed product groups (5?). The printed products (5, 5?) are moved along their conveyance path past at least one cutting station (10). In each cutting station, at least one edge of the printed product (5) is cut by knife blades (11, 12) and counter blades (13, 14) in a shear cut. For this shear cut, according to the invention, multiple self-sharpening blades (11, 12) come into cutting engagement with at least one counter blade (13, 14). Alternatively, multiple counter blades (13, 14) come into cutting engagement with at least one self-sharpening blade (11, 12). A significant improvement in edge retention and cutting quality is achieved by means of targeted blade kinematics, blade arrangement, product guidance, and blade geometry.

Abstract: Parts separation devices are provided. The parts separation devices include an array of suction devices and a plurality of skeleton holding devices. The suction devices are selectively releasable from the skeleton by a release force applied by the skeleton holding devices.

Abstract: The present invention provides a method of preparing an absorbent layer from an absorbent nonwoven web having a first plurality of slits with a first orientation and a second plurality of slits with a second orientation, wherein the first orientation is different from the second orientation. The first plurality of slits and the second plurality of slits are at least partially through the absorbent nonwoven web, and the second plurality of slits at least partially intersects the first plurality to form apertures in the absorbent nonwoven web.

Abstract: The invention relates to a method of producing a circular saw blade having cooling channels. In that case, placing of a plurality of thread-shaped bodies on a first circular disc of plastic material is carried out in such a manner that each of the thread-shaped bodies is oriented in radial direction. A second circular disc of plastic material is then placed on the first disc and the thread-shaped bodies. Subsequently, pressure is exerted on the second disc in the direction of the first disc. Removal of the plate-shaped bodies from the compressed disc pair is thereafter carried out, whereby cooling channels are created. Finally, sintering of the disc pair in order to obtain a circular saw blade having cooling channels running in radial direction is carried out.

Abstract: A blind cutter includes a base, a rail obliquely mounted to the base, a slide block slidably mounted to the rail and slidable between a first position and a second position that is lower than the first position, and a saw blade rotatably connected with the slide block. As a result, when a user pushes the slide block from the second position to the first position for cutting slats of a blind, the saw blade and the slide block can move back to the second position automatically because of gravity when the cutting action of the saw blade has been finished.