Abstract: An apparatus for and method of depositing material on a substrate, the method comprising the steps of: delivering from a first outlet a stream of droplets of a precursor liquid towards a substrate; applying an electric field between the first outlet and the substrate; and delivering from a second outlet a flow of fuel about the stream of droplets such as to provide an annular flame combustion region between the first outlet and the substrate through which at least a portion of the stream of droplets passes before reaching the substrate, whereby the precursor liquid is one or both of chemically reacted and decomposed to provide the deposited material.

Abstract: To reduce the change in the refractive index of an irradiated portion of synthetic quartz glass, caused by the irradiation with a high energy light emitted from a light source such as a KrF excimer laser or an ArF excimer laser. A process for producing an optical member made of synthetic quartz glass, wherein the OH group concentration of the optical member is set depending upon the energy density of the laser beam employed, to adjust the ratio R (KJ/cm.sup.2-ppb).sup.-1 of the change in the refractive index of the optical member to the cumulative irradiation energy (KJ/cm.sup.2) by the laser, to be 0.Itoreq.R.Itoreq.0.2, thereby to control the change in the refractive index of the optical member made of synthetic quartz glass by the irradiation with a laser beam to be within a predetermined range.

Abstract: A yarn feeding plate double-sided floss blowing apparatus for circular knitting machines is installed in a circular knitting machine which includes a needle cylinder to hold a plurality of knitting needles and yarn feeding plates. The floss blowing apparatus comprises an air blowing unit. The air blowing unit includes a first air blowing duct and a second air blowing duct. The first air blowing duct has one end extended above the yarn feeding plates and bent towards a lower half portion of an outer side of the yarn feeding plates to form a first air ejection nozzle. The second air blowing duct has one end extended close to a lower half portion of an inner side of the yarn feeding plates and above the knitting needles to form a second air ejection nozzle. Thus strong airflow can blow away the floss on the yarn feeding plates at the shortest distance.

Abstract: The present invention relates to a laundry machine having control panel to which a display secured. A laundry machine including a control panel in which a display for displaying operational conditions is provided, the laundry machine includes a mounting part provided in a predetermined portion of the control panel to mount the display therein, at least one insert groove provided at the mounting part, and an insert protrusion provided at the display, corresponding to the at least one insert groove.

Abstract: This invention relates to an automatic batch washing machine where the potential product or products that are being cleaned includes, but is not limited to, clothes and dishes. The machine combines user input and data gathered from sensors to operate to automatically dispense all necessary cleaning and treatment chemicals at proper times and optimally measured doses. Manual measurement and insertion of requisite chemicals has been eliminated. Efficiency and performance are enhanced through the use of optimally measured, timed and placed chemical dispensions. The chemical supply containers incorporated in conjunction with the machine are marked in such a way that they can only be inserted in a certain location in conjunction with the machine eliminating the possibility of mistakingly locating one chemical in a dispensing location for another chemical.

Abstract: The present invention relates to an instantaneous mixing device for injection/extraction cleaning machines and in particular to an instantaneous mixing device with a pre-spray functionality of the type equipped with at least one washing accessory (13) and/or at least one pre-washing accessory (30) connected at the outlet to a hydraulic circuit (20), the device (10) comprising: at least one spray pump (12) connected to the hydraulic circuit (20); at least one tank for water (15) and at least one tank for a chemical product (16), connected to the hydraulic circuit (20); at least one mixing element (14) with a Venturi effect connected downstream of the at least one water tank (15) and at least one tank for a chemical product (16). The at least one pre-washing element (30) preferably comprises a spray hole having greater dimensions with respect to the hole of the spray nozzle of the at least one washing accessory (13).

Abstract: In connection with the various working operations in the production of furs, a not inconsiderable amount of manual labor is involved in the handling of the pelt boards or expansion pelt boards between the various work processes. To make the production of furs more profitable, manual labor is reduced to a minimum using a device for performing a complete or partial emptying/filling of a drying aggregate for upstanding expansion pelt boards, with or without tanned, or tanned and dried pelts, to one or more suitable receiving stations for further transport and/or handling. The device has a gripping element which can be activated for displacement, the movements of which are controlled by a control unit so that upstanding expansion pelt boards with or without tanned, dried pelts, are transferred automatically in upstanding position from the surface of the drying aggregate to a receiving point for further handling and transport.

Abstract: The present cable lock apparatus and method, including a cable having a first end terminated with a shackle, and a lock body providing a throughway to receive the cable in sliding relation such that the lock body may be selectively positioned along the length of the cable. The shackle portion is received within the lock body, and is removable therefrom. A first plunger grip assembly is used to receive the shackle portion and the cable length in a sliding relationship. The first plunger is depressed to a release state, allowing the cable to slid through the lock body, and is released to a grip state. The method of securing an item with the present lock apparatus broadly includes passing the cable through the lock, advancing the lock body along the cable, forming a loop around the item, and securing the first end of the cable to the lock body.

Abstract: The present invention generally relates to a device for securing a tire to a vehicle so as to reduce the accidental or unauthorized removal of the tire from the vehicle. The device is particularly suitable for preventing the theft of a spare tire from a vehicle. More specifically, the device prevents an unauthorized user from gaining access to an opening in the vehicle which is used to lower and remove the spare. As a result, the device may save an individual hundreds of dollars and the annoyance of not having a spare tire when needed. The device is easily installed in many vehicles in around one minute.

Abstract: A locking device for a truck is disclosed. The locking device is mounted on the door plank of a container door and is fastened in the doorframe in order to lock the container door. The device comprises a first body, a second body, and a lock. The first body includes a pushing element, a pressing element, and a driver unit. The end of the pressing element is pressed against the end of the pushing element. The driver unit is connected with the pressing element and is next to the second holder. The driver unit is electrically connected to the control unit. The second body includes a rotary element. The rotary element is stopped on the pressing element. The lock is disposed next to the first body. The present invention provides an improved locking device for a truck and ensures the safety of cargo when user forgets to lock the container.

Abstract: The invention relates to a method for assembling and/or starting machine units in installations, such as machine beds (1) and/or roll stands (2), e.g. in an existing production line of a hot-rolling mill. In order to minimize especially the downtimes during assembly, the machine bed (1) is prefabricated and the required or cooperating machine units are prefabricated and preassembled or assembled on site next to the production line (3), whereupon said machine units are inserted into the production line (3) as a complete structural unit including the bed block (1) and allocated driving members, control elements, fastening elements or similar, pipes and cables required for operation, and additional pieces of equipment.

Abstract: The invention describes a safety system (22) for a production unit (1) for bending a sheet metal part (3), in particular for a bending press (2), with a stationary bench beam (13) and a bending tool (4, 5) for a displaceable press beam (13), and with a light beam transmitter and receiver system (23) monitoring an operating region to prevent trapping of a foreign body. The bending tool (5) disposed in the press beam (13) is provided in the form of a slat pack (34) comprising at least one reference slat (35) and at least one tool slat (33) which can be displaced relative to it, which are provided with recesses (60) traversing them in the direction of a thickness (32). When oriented in alignment, these form a beam passage (65) for a light beam (9), in particular a laser light beam, extending parallel with an end face (8) of the press beam (13). An embodiment of the bending tool is possible in the form of a skeleton tool.

Abstract: A method and apparatus for detecting a turned blank at a workstation in a progressive forging machine comprising simultaneously monitoring both the force on a tool in the workstation and the crank angle of the machine, determining a reference crank angle when the tool is subjected to a force at the workstation about to deliver a blow and a blank in the workstation is properly angularly aligned, operating the machine to forge blanks in a normal manner when a force on the tool at the workstation occurs substantially at the reference crank angle, and interrupting said normal manner when the force on the tool at the workstation occurs before said reference crankshaft angle to enable the blank being formed at the workstation to be separated from remaining blanks being forged in the machine.

Abstract: Systems and methods are employed for monitoring and controlling a can necking process in a multi-stage can necking machine. Sensors are employed that communicate with local controllers. A local controller is used at each stage of the multi-stage can necking machine. The local controllers are used to perform fast processing of information from the sensors located in the stage associated with the local controller. A main controller is then used to determine drop rates. Predefined threshold rates may be used to compare with calculated drop rates. A multi-stage can necking machine may be controlled in part based on drop rates crossing threshold rates.

Abstract: Aluminum coils of pre-printed metal are pre-cut to lengths and angles to fit a wooden door jamb. Then, a rolling machine accepts a chosen width of sheet metal and rolls out a cladding strip. The strips require only a minimal manual bend of an end tab. The strips can be packaged in the wooden door jamb for field installation onto the wooden door jamb.

Abstract: The invention relates to a device for adapting working rolls, in particular of four-high stands, to a rolling line with at least one pair of wedges (1, 1?) in a region between parallel, spaced from each other, rolling mill stands (2, 2?), which are displaceable along a horizontal slideway relative to the stands (2, 2?) by toggle lever adjusting means. To this end, the wedges (1, 1?) of the wedge pair are connected with each other at a fixed distance from each other, and for their displacement an arrangement of two toggle levers (4, 5) is provided of which one lever (4) is supported on one wedge (1) with at least one articulated joint (6) and another lever (5) is supported on an opposite stand (2?) also with at least one articulated joint, and both levers (4, 5) are connected with each other by a longitudinally adjustable toggle joint (7).

Abstract: An improved convenience closure that is adapted for sealing an end of a can includes an end panel having a peripheral score, a rivet formation, a mustache score and a flex line score defined therein. The mustache score may include a central portion that is positioned radially inwardly on the end panel relative to the rivet formation. The central portion is preferably curved, with a concave side of the curvature facing the rivet formation. The mustache score also may include first and second preferably symmetrical end portions, each of which is continuous with the central portion. Most of the total length of each of the end portions may be curved away from a nearest portion of the peripheral score, with a convex side of curvature facing the nearest portion of the peripheral score. Tooling for making the convenience closure and a method of making such a convenience disclosure are also disclosed.

Abstract: An improved convenience closure that is adapted for sealing an end of a can includes an end panel having a peripheral score, a rivet formation, a mustache score and a flex line score defined therein. The mustache score may include a central portion that is positioned radially inwardly on the end panel relative to the rivet formation. The central portion is preferably curved, with a concave side of the curvature facing the rivet formation. The mustache score also may include first and second preferably symmetrical end portions, each of which is continuous with the central portion. Most of the total length of each of the end portions may be curved away from a nearest portion of the peripheral score, with a convex side of curvature facing the nearest portion of the peripheral score. Tooling for making the convenience closure and a method of making such a convenience disclosure are also disclosed.

Abstract: A workpiece gripper arrangement for the automatization of presses, including a transfer arrangement for transferring components between workstations, the transfer arrangement includes a girder or carrier with gripper means for holding the components and the gripper means is supported via coupling parts of which one is connected to the girder and the other to the gripper means and a mechanical locking structure is provided which is operable by relative movement of the coupling arrangement with respect to a support frame on which the gripper means can be deposited.

Abstract: The invention relates to a calibration standard, especially for the calibration of devices for the non-destructive measurement of the thickness of thin layers with a carrier plate (16) of a basic material and a standard (17) applied on the carrier plate (16), said standard having the thickness of the layer at which the device is to be calibrated, wherein that a holding device (22) arranged on the basic body (12) of the calibration standard (11) receives at least the standard (17) to the basic body (12) such that upon setting a measuring probe of the device for the non-destructive measurement of thin layers onto the standard (17), its position will be changeable by at least one degree of freedom.

Abstract: A friction test apparatus includes a base structure and a receptacle secured to the base structure. At least three lower test balls are positioned in the receptacle. The friction test apparatus includes a motor having a rotatable shaft providing powered rotation of the shaft. An upper test ball is positioned on the shaft in a chuck, and contracts the at least three test balls in the receptacle in use. The chuck may include tapered inner surfaces that frictionally engage the upper test ball along a substantially continuous ring of contact to prevent rotation of the upper test ball relative to the chuck during operation. The receptacle may include a fluid inlet and a fluid outlet to permit fluid in the receptacle to be changed.

Abstract: An apparatus for determining the proportion of gases in a gas mixture, has a measurement chamber having a chamber defining structure, a gas inlet and a gas outlet, an ultrasound source and an ultrasound detector mounted such that the ultrasound source is capable of transmitting ultrasound through the chamber to the ultrasound detector; a temperature sensor mounted such that the sensor is capable of sensing the temperature in the chamber. The chamber defining structure is adapted to amplify thermal exchange with a gas content in the chamber so as to suppress a temperature change in the chamber.

Abstract: A method for testing the integrity of welds used to secure a nozzle to a vessel and the like comprises forming a sealed space within the nozzle by providing a blind against the flange and a sealing plate within the vessel and filling the space with a pressurizing fluid. The sealing plate is not biased against the flange. As such, the method of the invention simulates normally occurring axial expansion stresses within the nozzle thereby providing a more accurate test. The apparatus of the invention comprises a blind flange for sealing the flange face and a back plate for positioning against the inner surface of the vessel. The apparatus includes a biasing means for urging the back plate against the vessel wall. In one embodiment, the biasing means includes a front plate located outside of the vessel and connected to the back plate. In another embodiment, the biasing means comprises a plurality of magnets for engaging the vessel wall.

Abstract: The invention relates to a piezo-rheometric measuring cell for shear or compression measurement, essentially comprising two sample holder plates, with the sample for analysis between the same in solid, liquid or intermediate form, piezoelectric ceramic elements on the faces of the plates opposite to the faces in contact with the sample and a construction forming the housing and compressing the arrangement of plates and ceramic elements, one or more ceramics called emitter, being connected to one of the two plates or the emitter plate and subjecting the same to shear or compression vibrations by means of an excitation signal and one or more ceramics, called receiver, being connected to the other plate or receiver plate and converting the forces to which the same is subject into a measured signal.

Abstract: A micro-fluidic device and methods for measuring one or more rheologic properties of a fluid. The micro-fluidic device includes a substrate and at least one cover bonded to a surface of the substrate with a fluid channel formed in at least one of the cover or the substrate. Further, the micro-fluidic device includes a first differential pressure gauge that can have a first differential pressure sensor in fluid communication with both a first pressure site and a second pressure site. Further still, the micro-fluidic device includes the first pressure site and the second pressure site that can be spaced apart by a first section of the fluid channel. Also, the micro-fluidic device includes a data processor communicatively coupled to the first differential pressure sensor, so as to receive data generated by the first differential pressure sensor.

Abstract: The invention provides devices and methods for acoustically determining the properties of the contents of one or more reservoirs in a plurality of reservoirs. Each reservoir is adapted to contain a fluid. An acoustic radiation generator can be positioned in acoustic coupling relationship to each of the reservoirs. Acoustic radiation generated by the acoustic radiation generator is transmitted through each reservoir to an analyzer. The analyzer is capable of analyzing a characteristic of the transmitted acoustic radiation and optionally correlating the characteristic to a property of the reservoirs' contents. Properties that may be determined include volume, temperature, and composition. The invention is particularly suited to determining the properties of the contents of a plurality of reservoirs to allow for accuracy and control over the dispensing of fluids therefrom.

Abstract: Disclosed is a device for measuring the concentration of the particles contained in a fluid. The device comprises a control volume body having a predetermined effective volume. An inlet path is formed at an end of the control volume body to feed the fluid into the control volume body therethrough. An outlet path is formed at another end of the control volume body to discharge the fluid from the control volume body therethrough. Measuring instruments are provided at the inlet path and the outlet path to emit electrical signals when the fine particles pass through the inlet path and the outlet path. A computing machine receives the electrical signals transmitted from the measuring instruments, and then computes the number and the concentration of fine particles contained in the control volume body. The device is easily integrated with Micro-TAS (Total analysis System).

Abstract: An approach controller (234) of a coordinate measuring instrument enables a position control loop (RP) and drives an actuator (133) so that a force sensor (1) is brought to a close position under a position control. When recognizing that the force sensor (1) reaches the close position, a contact controller (235) controls a switch (227) to enable a force control loop (RF) and drives the actuator (133) to bring the force sensor (1) into contact with a workpiece under a force control.

Abstract: A method for controlling a biaxial wheel test machine used for simulating loads experienced by a test wheel under actual driving conditions and for obtaining an accurate determination of wheel camber angle.

Abstract: Wheels of a two-wheeled motor vehicle are supported by support rollers corresponding to each wheel, respectively, and an antilock brake system is operated for each wheel. Measuring means 20 and 31 measure values related to the rotation speed of rollers supporting the wheel for which the antilock brake system operates. Based on the values obtained by the measuring means 20 and 31, the waveform accompanying the change in rotation speed of the wheel that occurs by the operation of the antilock brake system is computed by a computing means 44 based on the values obtained by the measuring means 20 and 31. A determination means 45 determines whether or not a portion of the waveform obtained by the computing means 44 falls within a predetermined range or not.

Abstract: A load cell detects wheel forces and/or moments at tire test stands in the laboratory and on mobile test vehicles based on the piezoelectric measurement principle. The load cell comprises a base plate and a cover plate facing the base plate as well as a plate-shaped quartz sensor, arranged between the plates in a laminar manner. The base plate and cover plate are designed in an elongated shape and include two or more of the plate-shaped quartz sensors there between. The plate-shaped quartz sensors are arranged in an array with respect to the longitudinal orientation of the plates and are preloaded by the plates.

Abstract: A tire pressure monitoring system sensor includes a body provided with an air inlet that provides fluid communication between the interior of the body and the interior of a tire. A pressure plate slides within the interior of the body by pressure in the tire, in a direction away from the air inlet. A spring biases the pressure plate toward the air inlet. Several sensors are attached to the body, each configured to generate a signal indicative of proximity of the pressure plate. The sensor may further include an air supply valve to supply air to the tire, connected to the body. The body may define an air supply passage through which the air supplied from the air supply valve is supplied to the tire through the air inlet. Three sensors may be provided: one indicative of excessive pressure, one indicative of appropriate pressure, and one indicative of insufficient pressure.

Abstract: A free point tool comprises an elongated main shaft assembly and a low mass sensor assembly coaxially and slidingly disposed over the elongated main shaft. The low mass sensor assembly is adapted to be supported within the down hole casing by first and second drag spring centralizers coupled respectively to upper and lower ends of the low mass sensor assembly. The low mass sensor assembly comprises a magnetic amplifier sensor disposed in a sensor body and having a variable inductance proportionally responsive to longitudinal and rotational displacement of an adjacent sensor plate portion of a movable sensor sleeve concentric with and enclosing the sensor body, wherein the sensor sleeve is attached to the first drag spring centralizer and the sensor body is attached to the second drag spring centralizer.

Abstract: The present invention provides an apparatus an methods for detecting the behavior of perforations in a wellbore casing, the apparatus including a sensor array movable within the internal diameter of the casing, the sensor array having one or more sensors located proximate the internal surface of the casing with the sensors being located or oriented such that properties of flow from a proximate perforation can be distinguished from properties of a main flow through the wellbore.

Abstract: An improved design for a force gradient using a proximity sensor is disclosed. A force gradient comprises a shaft having a first end and a second end. The switch includes a spring contained between the first end and the second end and a non-contact proximity sensor mounted on the second end. The spring has a first position and is compressed to a second position so that the non-contact proximity sensor signals an AFCS to change state.

Abstract: A liquid level sensing device that gives an audible and visual alarm when a low or high liquid level condition in a chemical container is detected. A float switch located at the bottom end of the device closes an electrical circuit, which starts an audio alarm and flashing light. The unit includes an integral liquid feeding tube for dispensing liquid to a process, which optionally incorporates a flow-indicator.

Abstract: A fuel sender unit is provided for deployment on a vehicle having a fuel tank. The fuel sender unit includes a float arm configured to move in relation to the volume of fuel held within the fuel tank. A fuel level sensor is coupled to the float arm. The fuel level sensor produces a resistance that varies with the position of the float arm to thereby produce a multi-slope sender profile including at least first, second, and third successive profile segments. The first profile segment has an average slope that is greater than that of the second profile segment, and the second profile segment has an average slope that is greater than that of the third profile segment.

Abstract: A gravity gradiometer is disclosed which has a sensor in the form of bars (41 and 42) which are supported on a mounting (5) which has a first mount section (10) and a second mount section (20). A first flexure web (33) pivotally couples the first and second mount sections about a first axis. The second mount has a first part (25), a second part (26) and a third part (27). The parts (25 and 26) are connected by a second flexure web (37) and the parts (26 and 27) are connected by a third flexure web (35). The bars (41 and 42) are located in housings (45 and 47) and form a monolithic structure with the housings (45 and 47) respectively. The housings (45 and 47) are connected to opposite sides of the second mount section 20. The bars (41 and 42) are connected to their respective housings by flexure webs (59). Transducers (71) are located in proximity to the bars for detecting movement of the bars to in turn enable the gravitational gradient tensor to be measured.

Abstract: Apparatus, methods, and systems for sensing acceleration and magnetic fields in all three axes from a first capacitive bridge sensor having a first proof mass; and a second capacitive bridge sensor having a second proof mass located within the first proof mass. The second proof mass is coupled to the first proof mass by springs that permit movement in the second axis. Sensing of the remaining axis of interest may be done by a third and fourth capacitive bridge configured similar to that of the first and second capacitive bridge sensors. The third and fourth capacitive bridge sensors may be oriented 90 degrees off of the first and second capacitive bridge. An alternative is to locate a third capacitive bridge within the second proof mass.

Abstract: A device (10) for measuring the running behavior of a gear pair having a rolling device (12) which comprises one spindle (15, 16) per gear (13, 14) and has at least one drive (17; 18) for driving one of the gears (13, 14). Furthermore, a structure-borne noise sensor (20), a sequence controller (30), and a speed sensor system (23, 24) are provided. The sequence controller (30) is designed in such way that a combined test of the gear pair may be performed, in which, in a first search run, a specific installation position is ascertained using structure-borne noise testing and subsequently a single-flank working test is performed at the specific installation position.

Abstract: Disclosed are micromachined acoustic sensors for monitoring electrochemical deposition, methods for fabricating such sensors, and methods for in-situ monitoring of electrochemical deposition processes using such sensors. An exemplary acoustic sensor includes a deformable silicon membrane, an encapsulated piezoelectric layer formed on the silicon membrane, and surface electrodes formed on the piezoelectric layer. The sensor and a loudspeaker may be used to calibrate an electrochemical deposition process. The acoustic response of the sensor is monitored over time with respect to plating thickness during electroplating of a sample to generate a predictive model defining the plating process. The predictive model may be used to monitor the plating thickness of other samples in real time.

Abstract: Contemplated configurations and methods are directed to non-destructive ultrasound testing of stainless steel materials, and especially materials in a difficult-to-reach position, in which a phased array probe is operated using longitudinal waves, wherein the probe is further operated at an angle that provides substantially complete ultrasound coverage when the beam angle is modified.

Abstract: An ultrasonic non-destructive evaluation (NDE) system operable to inspect target materials is provided. This ultrasonic NDE system includes an articulated robot, an ultrasound inspection head, a processing module, and a control module. The ultrasound inspection head couples to or mounts on the articulated robot. The ultrasound inspection head is operable to deliver a generation laser beam, a detection laser beam, and collect phase modulated light scattered by the target materials. The processing module processes the phase modulated light and produces information about the internal structure of the target materials. The control module directs the articulated robot to position the ultrasound inspection head according to a pre-determined scan plan.

Abstract: In a preferred embodiment, a vibrator table apparatus includes a primary table member driven by at least two vibrators, having upper and lower surfaces and defining x and y axes. The improvement of this embodiment includes at least one of the upper and lower surfaces of the primary table member defining an opening for each of a first plurality of substantially parallel channels and an opening for each of a second plurality of substantially parallel channels substantially perpendicular to the first plurality of channels.

Abstract: An apparatus comprising a downhole measurement tool, a transducer coupled to the measurement tool, the transducer having a body with an outer surface, and a heater disposed adjacent the outer surface to conduct heat from the heater to the outer surface.

Abstract: A field device with integrated temperature control comprises a housing, a temperature sensor, a controller and a terminal block. The housing encloses internal components of the field device. The temperature sensor and the controller are located inside the housing. The temperature sensor senses an internal temperature of the field device, and the controller controls the internal temperature by regulating heat supplied to the field device. The terminal block connects to the controller in order to regulate the heater power as a function of the internal temperature.

Abstract: The present invention relates to a capacitance type pressure measurement apparatus by using a diaphragm, and more specifically to an apparatus for measuring pressure by using a diaphragm capable of measuring pressure of atmospheric pressure or less as well as pressure of atmospheric pressure or more without having a getter pump by fixedly mounting a pressure variable container on a sensor housing having a diaphragm mounted therein.

Abstract: An adapter fits a diaphragm-type sanitary pressure gauge onto a flanged tubular stub of a sanitary conduit. A cylinder has a lower ring flange that mates with the flange of the tubular stub and an upper flange that mates with the diaphragm mounting foot of the pressure gauge. These are held together with tri-clamps, with suitable sealing glands. The interior of the cylinder is two-tiered, with a larger diameter portion above, a smaller diameter portion below, and an annular shelf or step between. A piston with a larger diameter upper portion and smaller diameter lower portion rides in the cylinder, with a seal ring in the lower portion. A hard rubber pad on the top of the piston contacts the diaphragm of the pressure gauge to transmit fluid pressure from the sanitary conduit to the gauge. A small leak detection hole through the cylinder above the seal ring reveals any leakage.

Abstract: The invention relates to a moveable working device, particularly an auto concrete pump, comprising an undercarriage (10) provided with two front and two rear supporting extension arms (22,24) which can be extended from a travel position into at least one support position, which can be supported on a foundation (36) and which are respectively provided with a supporting leg (28), also provided with a respective measuring member (38) for determining the support load acting upon the supporting legs (28). If the telescopic supporting legs (28) with the telescopic member (30) fixed to the extension arm are coupled to a support leg casing by means of a coupling bolt (32), it is possible to configure the coupling bolt as a measuring member (38) in order to determine the support load, using particularly simple means. The measuring members can be incorporated into a stability monitoring device comprising a computer-assisted evaluation electronics system (68,74).

Abstract: A material testing machine is provided, in which a motor is used as a driving source of a loading mechanism, and the material testing machine can always perform a material test accurately, without requiring skilled operators, trial and error, or a longer time when setting control gains. A ratio K(t) of an inspection value F(t) of a control quantity to a displacement ?(t) of a motor 21 is calculated sequentially, and a value proportional to a value obtained by dividing a deviation {FD(t)?F(t)} by the calculated ratio K(t) is taken as a rotation angle command and supplied to a servo amplifier 36. The servo amplifier 36 supplies a current to the motor 21. Therefore, as the test proceeds, appropriate gains are automatically calculated and set, a gain setting operation before test is not necessary, and the material test can be always performed accurately.