Abstract: A method for producing a dopant doped high pure silica glass comprising the steps of: preparing powder by dispersing silica particles into a dispersion medium; adding a dopant containing gas; drying, heating and pulverizing the same in sequence to produce dopant doped silica powder; and, producing a dopant doped silica glass by using the silica powder produced by said powder preparing step as a starting substance.

Abstract: The invention relates to a method of manufacturing a cylindrical preform for use in making an optical fiber of substantially smaller diameter. The method consists in increasing the diameter of a primary preform by injecting grains onto the surface of the primary preform and in fixing the grains on the surface by means of a heat flow obtained by a plasma torch comprising a tube made of refractory material, and an inductor surrounding the tube. The distance between the inductor and the end of the tube is reduced when the diameter of the preform increases. The temperature of the outside surface is thus increased, thereby enabling preforms to be obtained of larger diameter or with improved efficiency.

Abstract: Disclosed is a high efficiency burner and an apparatus for over-cladding an optical fiber pre-form using the same. The high efficiency burner heating an optical fiber pre-form includes burner covers, burner bodies arranged between the burner covers, and fuel dischargers arranged in at least two rows between the burner bodies, and divided by a partition, respectively.

Abstract: There are provided an outer tub suspended elastically in an enclosure, an inner tub for containing clothes supported rotatably within the outer tub, and a rotary impeller held rotatably on an inner bottom portion of the inner tub. The inner tub and/or the rotary impeller are driven by a motor. A drying blower delivers air into the inner tub, and a heater heats the air delivered by the blower unit. A controller controls operation of the motor, the drying blower, the heater, and the like, thereby controlling each process of washing, rinsing, hydro-extraction, and drying. In the hydro-extraction process, the controller drives the inner tub while also driving the drying blower to maintain delivery of air into the inner tub.

Abstract: Organic media are derived from natural organic materials, which are coconut dust, simple coconut dust, or those containing coconut staple fibers, coconut pericarp chips, and are beaten bark, which is both broadleaf trees and needleleaf trees, and sawdust. These natural organic materials contain a lot of organic acids and salt (NaCl). The feature of the present invention is treatment using the modifying reagents to eliminate the organic acids and salt that adversely affect the cultivation of plants. The modifying reagents consist of at least one salt selected from among iron salts and aluminum salts, and the modified organic media obtained by modifying the natural organic materials with the modifying reagents. The natural organic materials are preferably coconut dusts, beaten bark, and sawdust. The modifying materials of 0.1 to 5 g is preferably applied to the natural organic materials of 100 g in dry weight.

Abstract: A forming machine for forming a workpiece having a rotatably drivable gripping device. The gripping device comprises a first forming tool and a press-on tool adapted to press the workpiece in the direction of the first forming tool. The forming machine further comprises a second forming tool mounted at least substantially co-axially round the press-on tool. The second forming tool can be moved along the press-on tool.

Abstract: A tube and turbulator and method of making the same for a heat exchanger including a base, a top spaced from and opposing the base, a first side interposed between the base and the top along one side thereof, and a second side interposed between the base and the top along another side thereof. The base, top, first side and second side form a channel. The second side is triple hemmed such that ends of the base and the top are disposed within the channel. A flat turbulator may be disposed inside the tube and includes a base extending laterally and longitudinally in a strip. The flat turbulator also includes a plurality of corrugations spaced laterally along the base and extending longitudinally and generally perpendicular to the base in an alternating manner. The corrugations are rolled in a direction parallel to a longitudinal axis of the strip.

Abstract: The present invention relates to a mechanism for conveying a sheet metal strip, such as plate sheet strip, on a profiling line and/or after it.

Abstract: To manufacture a honeycomb body, it is proposed that at least one stack is layered up from a plurality of at least partly structured sheet metal layers. Each stack is folded over about a bending line such that a sheet metal pack is formed having a curved first end area and a second end area. The second end area has a first end section and a second end section. A first end face of the first end section forms a first angle with a central plane, and a second end face of the second end section forms a second angle with the central plane, wherein the first angle is smaller than the second angle. The sheet metal packs are held by looping devices disposed in a mold, and the sheet metal pack is looped into a honeycomb body by rotation of the looping devices.

Abstract: In an apparatus and a method for forming threaded portions around a metal pipe with accuracy and ease, a preliminary forming is performed so as to recess portions of the metal pipe a little bit inwardly in the radial direction thereof by advancing auxiliary forming punches while keeping main forming punches as they are. Thereafter, by receding the auxiliary forming punches back, while advancing the main forming punches, simultaneously, the threaded portions are formed on outer periphery of the metal pipe 3 shifted by 180° in phase thereof.

Abstract: A gas sensor for determining physical values of gasses has a capacitor with a dielectric which is bringable into contact with a gas so that a change of a physical property of the gas leads to a corresponding change of a dielectricity constant of the dielectric, and a gas layer arranged on the gas sensor in a region of the dielectric.

Abstract: The present invention provides an peak chamber pressure measuring apparatus 1 for use with a regular firearm 2 using a given ammunition. The apparatus comprises: a piezoelectric accelerometer 3 for generating a recoil acceleration electrical output signal from recoil acceleration of the firearm upon discharge thereof, and provided with releasable mounting means 6 for rigidly securing the accelerometer 3 to the firearm 2 in proximity to its chamber 11. The accelerometer 3 has signal output means 12 coupled to a signal processing means 13. The signal processing means 13 converts said recoil acceleration electrical output signal which is representative of the peak chamber pressure, using a conversion relationship based on the mass of each of the firearm, and the projectile and the propellant components of the ammunition, and the firearm bore diameter, the signal processing means 13 having signal output means for connection to output signal display means 16.

Abstract: The impermeability of a test piece, e.g., a pipe made of concrete, clay, stoneware, etc., is tested using negative pressure air. Air in a compensation tank is maintained at negative pressure and also at a temperature that correspond to the temperature of the inside wall of the test piece. Then, the test piece, sealed on both ends, has a negative pressure is generated therein that corresponds to the negative pressure inside the compensation tank. Subsequently, the air inside the test piece is replaced with the temperature-controlled air from inside the compensation tank, and then the negative pressure inside the test piece is adjusted to a predetermined testing level. The progression of the negative pressure over a time period in the test piece is monitored. If the measured negative pressure drops below a prescribed tolerance limit, the pipe is considered too leaky.

Abstract: A leak testing device includes a generally cylindrical elongated sealing gasket which defines a recess therethrough. The gasket includes first and second end portions for receiving the respective ends of two adjacent conduits. A shoulder portion extends radially into the recess for supporting a diaphragm member thereon. The diaphragm member includes a diameter substantially corresponding to the diameter of the recess. In a preferred embodiment, the diaphragm member is made intregal with the gasket. A hole is provided in the diaphragm member which can be selectively opened or closed by a valve assembly provided on the diaphragm member to thereby permit or restrict the flow of a fluid between the two conduits.

Abstract: The invention relates to a probe device for determining the concentration of highly volatile components in liquids and/or gases, with a probe body (1) comprising a probe core (2) and a probe finger (3) being permeable for the highly volatile components, in the area of probe core (2) or of probe finger (3) a sensor (4) for the highly volatile tube (5) enclosing probe finger (3) and having passage openings (7). The invention teaches that protective tube (5) is configured as a piston (5) of a sluice device (6) having a measuring position and a servicing position of piston (5), and that passage openings (7) of piston (5 ) are disposed such that piston (5) has in addition the function of a slider valve sleeve, with probe finger (3) being connected over passage openings (7) in the measuring position to a measuring space (8) and in the servicing position to a servicing space (9) separated from measuring space (8).

Abstract: A viscosity measuring apparatus of the invention is provided with a memory for storing numeric data corresponding to a plurality of sampling conditions set in advance, and an operating device or a data calling key for calling data in the memory. By operating the operating device or key, the necessary data, such as a plurality of Mooney values or plurality of scorch times set in advance, is displayed as numeric values in a display at any time during the test. Therefore, during the test, a user of the apparatus can determine whether the test should be continued or not, or analyze the data.

Abstract: In a viscosity measuring apparatus, a time for restoring to a set temperature from a lowered temperature in a material chamber when a material is filled in the chamber can be selected. Thus, a temperature rising speed of the material can be freely set to measure a viscosity. Therefore, it is possible to measure the viscosity when the material, such as rubber, is heated at the temperature rising speed in conformity with an actual molding condition. Also, in order to compare a result measured in the past, it is possible to measure the viscosity when the material is heated at the temperature rising speed in conformity with the past measuring condition.

Abstract: In-line monitoring apparatus, for monitoring particulate matter in a liquid stream, which includes:

Abstract: The invention is directed to a scanning system having one or several deflectable probe tips which are excited to oscillation at or near their resonant frequency. A saturation amplifier (16) is provided for detecting and measuring the phase shift between the excitation signal and the oscillation carried out by the probe tip. The saturation amplifier (16) generates a rectangular signal from the incoming sinusoidally-shaped signal (3e) while exactly maintaining the time-dependent position of the zero crossovers of the signal. The detection system, which is required for each probe tip, thereby acquires a very simple configuration of few commercially available components. Saturation amplified rectangular signals exclusively form the basis for the further evaluation. For this reason, a substantial independence of the signal intensity of the oscillation signal is ensured.

Abstract: A high speed uniformity measurement device is provided in which high speed uniformity of a tire conveyed on a production line is measured automatically and continuously. At the high speed uniformity measurement device, a lower spindle is disposed so as to be movable up and down, and a lower side half rim is mounted to a distal end of the lower spindle. An upper spindle is provided, and a sensor for measuring high speed uniformity is provided at the upper spindle. An upper side half rim is mounted to a lower end of the upper spindle. A lock and unlock mechanism, for locking and unlocking the half rim, is formed at an upper side of the lower side half rim and at a lower side of the upper side half rim.

Abstract: A disposable sensor is disclosed for non-invasively detecting and characterizing a container's contents. By generating microwave frequency signals, electromagnetic fields are produced by a sensor and penetrate a container. The EM fields are analyzed in regards to how they are perturbed by the container contents. Analysis of the perturbed EM fields enables determination of content level, content purity, content density, content temperature, container pressure, content conductivity, etc.

Abstract: A limit-level sensor (3) has a resistance element (4) which has an electric resistance which suddenly varies a transition temperature which lies above the maximum liquid temperature. The resistance element (4) is first of all heated by electric current. Thereupon, the electric resistance of the resistance element (4) is measured. When the resistance element (4) is covered with liquid (2), the heat generated by the electric current is led away so that the temperature of the resistance element (4) is less than its transition temperature. If the resistance element (4) is not covered by liquid (2), this heat is scarcely led away, so that the temperature of the resistance element (4) remains above the transition temperature.

Abstract: An angular velocity sensor has a weight portion that can be drive-oscillated in a driving direction and be oscillated in a detecting direction when an angular velocity is applied, and unnecessary oscillation suppressing electrodes that can generate an electrostatic force to be applied to the weight portion in the detecting direction. The electrostatic force prevents the weight portion from being drive-oscillated in a direction other than the driving direction. As a result, unnecessary oscillation of the weight portion can be prevented even when the angular velocity sensor has a processing error.

Abstract: A monolithic miniature accelerometer machined in a plate of material, comprising a fixed part, two first mobile mass parts referred to as inertial masses, two hinge blades each having one end fastened to one of the two mobile mass parts, and two resonators each having one end fastened to one of the two mobile mass parts, a third mobile mass part fastened to the other end of each of the two resonators and of each of the two hinge blades, and a flexible stem situated between the first two mobile mass parts and connecting the third mobile mass part to the fixed part.

Abstract: A piezoelectric sensor has a piezoelectric element having a specific axis of sensitivity and a package for the piezoelectric element. The package has a rectangular parallelopiped configuration with opposite longitudinal end surfaces having a height-to-width ratio of about 1:1. External lead electrodes are formed to cover at least the longitudinal end surfaces. A method and apparatus for detecting if the sensor is disposed in the proper posture is also disclosed.

Abstract: A flaw detection system using acoustic Doppler effect for detecting flaws in a medium wherein there is relative motion between the medium and system includes a transducer, spaced from the medium to be inspected, for introducing to and sensing from the medium an acoustic signal that propagates in the medium at a predetermined frequency; and a detector, responsive to the sensed propagating acoustic signal, for detecting in the sensed acoustic signal the Doppler shifted frequency representative of a flaw in the medium.

Abstract: A pressure sensor that is particularly suitable inter alia for the food industry and the measuring accuracy of which is stable over a long time, having a diaphragm seal (3, 45) with a separating diaphragm (7, 53) on which a pressure (P) to be measured acts and having a ceramic measuring cell (9, 57) which is connected to the diaphragm seal (3, 45) exclusively by inorganic materials, is provided, in which sensor the separating diaphragm (7, 53) and all further sensor components coming into contact during measurement with a medium of which the pressure (P) is to be measured are metallic.

Abstract: The invention relates to a micromechanical sensor and to a corresponding production method that includes the following steps: a) preparing a doped semiconductor wafer ; b) applying an epitaxial layer that is doped in such a way that a jump in the charge carrier density in the interface between the semiconductor wafer and the epitaxial layer occurs; c) optionally etching ventilation holes traversing the epitaxial layer and optionally filling the ventilation holes with a sacrificial material; d) depositing at least one sacrificial layer, at least one spacing layer, a membrane and optionally a semiconductor circuit on the top side of the epitaxial layer using a technology known per se, wherein the semiconductor circuit may be applied after the membrane is formed or while depositing the layers required to form the membrane; e) etching a hole on the back part of the sensor, wherein the etching method is selected in such a way that etching advances in the direction of the top side and ceases in the interference bet

Abstract: An ultrasonic transit time flow sensor employs two transducers spaced out along a direction of fluid flow. A variable frequency acoustic signal is simultaneously transmitted by both transducers in a burst. After an interval corresponding to the expected transit time between transducers, both transducers are switched to their respective receiving states and a phase difference between their received signals is used as a measure of the fluid flow rate. The invention also provides a feedback arrangement for controlling the acoustic frequency to maintain stable operation under a variety of operating conditions.

Abstract: In order to produce a monitoring device for checking for a predefined position of a body or for checking for the presence of a body, comprising a pivotal checking element, a motor for driving the checking element and a control device for controlling the pivotal movement of the checking element, wherein the pivotal movement is effected in a controlled manner, provision is made for the control device to specify the pivotal position of the checking element in dependence on the time.

Abstract: A shift-assisting device for a transmission comprises an electric motor for operating a shifting mechanism in the same direction as the direction in which a speed-change lever is shifted, said shifting mechanism being coupled to said speed-change lever to actuate a synchronizing mechanism of the transmission, wherein said shift-assisting device for a transmission comprises a shift stroke sensor for detecting a shift stroke position of said shifting mechanism and a controller for outputting a control signal corresponding to the shift stroke position to said electric motor based on a signal detected by said shift stroke sensor.

Abstract: The invention relates to an adjustable pedal for vehicles and implements, comprising the pedal tread and the pedal arm together with devices for holding connections for the actuating links and for mounting the pedal on the pedal bracket, in which the pedal on the pedal bracket comprises a plurality of parts which can be moved relative to one another and by which the distance between the pedal tread and the mount can be adjusted. The pedal tread is mounted and held displaceably on the pedal by means of a pedal guide comprising two sections, one of which can be displaced into the other. The solution according to the invention enables the pedal tread to be adjusted in a simple manner with a high degree of safety for the driver with the cost in terms of material and weight being small.

Abstract: An adjustable pedal assembly is adapted to be mounted on a body structure of a motor vehicle and is operative to control a vehicle system, such as a braking system or engine throttle control system, for example. The assembly includes a carrier, a support structure mounting the carrier for fore and aft movement relative to the vehicle body structure, and a drive assembly for providing the fore and aft movement of the carrier along the support structure. A pedal is operatively connected to the carrier for movement relative to the carrier that is independent of the fore and aft movement of the carrier along the support structure. The assembly is characterized by a generator having an input associated with the pedal and an output adapted to be associated with the vehicle system.

Abstract: An improved vehicle pedal arm assembly made from a one or two-piece stamping of relatively thin gauge material. The preferred pedal arm assembly preferably includes an integral pedal pad. The opposite end of the stamping is formed or spread so that it is equal in width to the arms mating bracket. This arrangement allows for the assembly to pivot without a tubular hub, or spacer.

Abstract: The novel apparatus for producing high-purity silver comprises an electric furnace 1, an outer cylinder 3 contained in the furnace in such a way that it can be evacuated with a vacuum pump 2, a feed crucible 5 placed within the outer cylinder 3 and fixed onto an aspiration table 9 provided in the center of a recovery mold 6, a cooling trap 8 and a water-cooled flange 7 that are detachably connected to the other parts including an inner cylinder 4 located over the crucible 5. When a silver feed is heated within the crucible at 3a specified temperature and pressure, the silver evaporates and condenses on the ceiling of the inner cylinder to yield silver particles, which are collected in the recovery mold; gold, copper and other impurities having higher vapor pressures than silver are left within the crucible whereas sulfur, sodium and other impurities having higher vapor pressures are withdrawn by means of the vacuum pump to be introduced into the cooling trap and hereafter solidified.

Abstract: A multi-purpose folding tool including a pair of folding scissors, in which a scissors blade is movable about a pivot shaft, between a stowed position and a deployed position. A rocker is moved by a spring in the tool handle and urges a movable scissors blade toward an open position. In one embodiment two handles are folded about respective scissors blades to house the blades, and four springs hold the handles together with the folded scissors stowed within the handles. A pair of tweezers of sheet metal includes a pair of parallel arms each perpendicular to a base portion of the tweezers. When the scissors and other tools are folded into their stowed positions in the handle of the multi-purpose tool of the invention the tool has a smooth outside configuration allowing the tool to be carried in a pocket without causing undue wear.

Abstract: The invention pertains to a special device for the production, preferably by machining, of workpieces with noncircular outer and inner contours such as squares, hexagons, ellipses, polygons and the like, or eccentric circular bores and/or journals. The work tool housing is provided with an uneven transmitting gear unit, with which, by an appropriate change of the path speed of the work tool and its cutting edge, the necessary movement relative to the workpiece can be generated. A gear unit of this type is relatively easily realizable, for example by employment of two unround complementary gearwheels. The unround complimentary gearwheels are constructed or designed as so-called double screw drive gears. Double screw gears with unround wheels have hitherto not been known. They have the advantage that they, with respect to the rolling path, make possible the realization of curves with substantial discontinuities.

Abstract: A CNC tapping machine includes a spindle to which a tap is attached and a spindle motor for rotating the spindle. The load torque acting on the spindle motor that is detected when performing a tapping procedure without a workpiece is stored in a memory as referential, torque data. During a tapping procedure, a detection device detects the load torque acting on the spindle motor. A computer computes the difference between the load torque defected by the detection device and the referential load torque and uses the difference as the cutting load acting on the tap. As a result, the cutting load torque acting on the tap is accurately detected.

Abstract: A universal machine tool having a machine tool column shiftable on a machine bed along a first horizontal axis by means of a motor, and a tool slide shiftable on the machine tool column along a vertical axis, also by means of motor. The machine tool has a rotatably driven work spindle, and a workpiece slide shiftable on the machine bed along a second horizontal axis perpendicular to the first horizontal axis and comprising a workpiece table for the workpieces to be machined. For enabling multi-axis machining with a single mounting operation and a facilitated chip removal, the workpiece table is arranged on the workpiece slide so as to be pivotable between a horizontal and a vertical position.

Abstract: A chopper for chopping fibers or fiber strands having a back up roll and a blade roll containing blades that work against a peripheral surface of the back up roll and a method of using is disclosed. The chopper has a number of improved features for reducing the frequency of long fibers or long fiber strands and fuzz from getting into the chopped product. The chopper can have one or any combination of the improvements. The improvements include a strand guide located at least two feet up stream of the chopper, a first starting roll for starting a new strand that runs on a fluid bearing that can be adjusted to control the RPM of the first starting roll, a mount for a roll that runs against the peripheral surface of said back up roll, a strand guide insert for reducing fuzz generation and for preventing fuzz from getting into the product, and a deflector plate for catching and deflecting chopped strands thrown off the back up roll into a chopped strand product chute.

Abstract: The pipe cutter includes a jigsaw with a motor that reciprocates a saw blade back and forth. A way is clamped to the jigsaw. A workpiece holder is slidably mounted on the way. The workpiece holder has a workpiece slot with a base, two side walls and a saw blade slot. A handle is attached to the workpiece holder. A pipe that is to be cut is placed in the workpiece slot and the workpiece holder is moved along the way toward the saw blade. The saw blade forces the pipe toward the base of the workpiece slot and cuts the pipe.

Abstract: A bandsaw blade is manufactured from a blank having a plurality of teeth, at least some of which are to be set. Those set teeth are ground, prior to setting, such that at least an upper portion of the front rake face thereof forms an acute angle with a line extending perpendicular to a center line of the blank. Thereafter, those ground teeth are set to respective side of the blank, whereby a lateral rake angle of each set tooth is smaller than a side relief angle thereof. Preferably, the side relief angle is at least 5 degrees larger than the lateral rake angle.

Abstract: In an automatic play apparatus for electronic music system, it is often desired to expand its function in universal and easy way. In this invention, at steps 100-140, the sequencer module records music performance data provided from an external device or it reproduces them. Sometimes it does both at the same time. In a series of processing at steps 100-140, the queue processing 200, 300 and 400 are introduced. In each queue processing, a part of the music performance data is memorized temporarily in Temporary Memory Area 200a, 300a and 400a, and the pointer, as an argument, corresponding to the memorized part of the music performance data is transferred to various plug-in programs which work as function expansion modules. The plug-in programs are thus enabled to read out the music performance data and write them, respectively from and in Temporary Memory Area 200a, 300a and 400a.

Abstract: The present invention relates to a performance position retrieval system that is installed in such things as electronic musical instruments. Its object is to enable rapid and more accurate searching for a position in a musical composition that the performer etc. is currently performing.

Abstract: Performance interface system includes a motion detector provided for movement with a performer, and a control system for receiving detection data transmitted from the motion detector and controlling a performance of a tone in response to the received detection data. State of a performer's motion is detected via a sensor of the motion detector, and detection data representative of the detected motion state is transmitted to the control system. The control system receives the detection data from the motion detector, analyzes the performer's motion on the basis of the detection data, and then controls a tone performance in accordance with the analyzed data. With this arrangement, the performer can readily take part in the tone performance in the control system.

Abstract: A mount by which a component is non-destructively mounted on a musical instrument includes a receptacle and one or more abutment members, such as resilient clips, which do not screw into the instrument but engage the instrument to hold the mount on the instrument. A component is secured to the mount to install the component on the instrument. One such component provides digital control of an analog tone adjustment circuit. The digital control can include selectable preset conditions. Another such component provides on-board effects processing, such as a chorus effect. An output electrical coupling is provided with a switch used to energize the circuit of the component with which it is used.

Abstract: A non-lethal personal defense device that may be carried by a user includes a housing, a nozzle having a discharge orifice, a control valve coupled to the nozzle, a pressurized source containing a bio-active agent and coupled to the nozzle, a rangefinder for determining a range to a target, a trigger mechanism for activating firing of the device and a firing controller. The firing controller operates the control valve to discharge an aerosol plume of the bio-active agent through the nozzle in response to activation of the trigger mechanism and in response to the range determined by the rangefinder. The nozzle may include a spray orifice for discharging a pulsed aerosol spray plume at relatively long range and a mist orifice for discharging a pulsed mist aerosol plume at relatively short range. The pulse parameters are varied in response to the sensed range to the attacker.

Abstract: A multiple-barrel mortar assembly for launching grenades and similar items and mounted on the side of a combat vehicle. Several modules that can rotate in azimuth are mounted in a mount. Each mount is provided with a barrel accommodated in a block. Each barrel extends at a prescribed acute angle to the base of the block. The angle establishes the assembly's elevation. Each block is secured in a frame. The frame can rotate around an axis perpendicular to the base of the block. A drive mechanism can rotate all the frames simultaneously through a prescribed range of angles around the axis.

Abstract: An arrangement for hydraulic actuation of a movable component on vehicles, particularly a vehicle top, trunk lid, a cover or the like, includes at least one double-action working cylinder (1) whose working chambers are connected to a pressure source (5) via a pressure line (4) or whose working chambers are at least temporarily connectable thereto through a switching valve (11).

Abstract: An actuation arrangement for displaced components on vehicles, particularly trunk lids, convertible tops, engine hoods or the like, includes at least one supply line for the pressurized medium and one essentially non-pressure connection line to a reservoir for the working medium or a pump arrangement being functionally of the same kind, at least one preferably hydraulic working cylinder, and at least one control valve controlling the supply of a working medium in at least one working chamber of the working cylinder.