Abstract: The invention concerns a process and a device from the production of molten glass. According to the invention, measures will be taken to lead the current of the molten glass through the tank furnace so that cutoffs of the glass current between the surface of the glass bath, on the one hand, and the outlet opening on the other hand are avoided and a an equal holding period of all melt particles in the tank furnace is achieved.

Abstract: A composite mold has a composite structure defining a molding surface having a desired shape. The composite structure is comprised of a sintered material formed by sintering a mixture that includes tungsten carbide particles and carbon nanocapsules. Preferably, the mixture further includes noble metal particles. A method for making a composite mold includes the steps of: providing a first mold having a desired shape; placing a mixture comprising carbon nanocapsules and tungsten carbide particles into the first mold; and sintering the mixture of carbon nanocapsules and tungsten carbide particles, thereby forming a composite mold having a composite structure and defining a molding surface.

Abstract: A burner for a vapour deposition process has a central nozzle for ejecting a glass precursor material, at least a crown of nozzles surrounding said central nozzle for ejecting a flame reactant, and a circular nozzle between said central nozzle and said crown of nozzles for ejecting an innershield gas, wherein the central nozzle has a concave shape in a cross section in the axial plane and, preferably, a symmetry about an axial plane.

Abstract: An improved method and apparatus is disclosed for sintering large, cylindrical, porous bodies used in the manufacture of high-quality optical fiber preforms. The apparatus has a compact, simplified structure, as compared to comparable apparatus of the prior art. The apparatus includes two separate support/slide assemblies that support the porous body throughout the sintering process. A first support/slide assembly engages a special handle for the porous body during a first stage of the process, in which the body is lowered into a furnace muffle. A second support/slide assembly then engages the porous body's handle during a second stage of the process, in which the body is controllably moved through a hot zone of the furnace, for dehydration and sintering of the body into a dense glass optical fiber preform.

Abstract: The invention provides a processes of producing man-made vitreous fibres having a phosphorus content of at least 0.5%, measured as weight % p2o5, comprising providing a charge of mineral material which includes briquettes, melting the charge in a furnace to provide a melt and fiberising the melt to form fibres, wherein the briquettes. comprise a non-virgin rock material comprising at least 2% phosphorus, the non-virgin rock material being selected from the group consisting of sewage sludge ash, bone meal ash, granulated sewage sludge slag and mixtures thereof.

Abstract: The present invention relates to a detergent box in a washing machine, and more particularly, to a detergent box in which a structure of the detergent box to be placed in a front of the washing machine is modified for preventing the detergent box from falling off even if the washing machine is tilted or shaken, and enabling a user to make an easy notice of proper placement of the detergent box. The detergent box of the present invention includes a stopper, and a rib having an elastic slot formed therein. The detergent box holds the detergent, and the dispenser is mounted in the washing machine for placing the detergent box therein. The dispenser has a recess for seating the stopper therein as the detergent box is placed in the dispenser. The rib provides an elastic force to the stopper. For providing a comparatively soft elastic force, the rib has an elastic slot.

Abstract: The present invention relates to a lather backflow preventive structure in a washing machine, and more particularly, to a lather backflow preventive structure in a washing machine for preventing lather or vapor from flowing back to a detergent box from an inside of a drum or a tub through a passage having the detergent introduced therethrough, and a washing machine with the same. The lather backflow preventive structure is positioned between the tub and the detergent box, and prevents lather or vapor from flowing back. The lather backflow preventive structure has a detergent box side passage formed at one end thereof for communication with the detergent box, and a tub side passage at the other end thereof for communication with the tub, for preventing lather from flowing back to the detergent box from the tub. A flow path is formed from the detergent box side passage to the tub side passage such that washing water can flow from the detergent box to the tub, the flow path formed at least partially hollow.

Abstract: The present invention relates to a washing machine and dryer with an improved duct structure. A cabinet (100) form a an outer shell of the washing machine and dryer, and a tub (200) is installed within the cabinet (100). A drum (250) is rotatably installed within the tub (200). Since a drying duct (300) is installed in an upper portion of the tub (200) that is eccentric toward one side when viewed from the front of the tub (200), an internal space utilization of the cabinet (100) is enhanced and the equipment can be compact. The drying duct (300) is manufactured with two bodies that are a lower part (310) and an upper part (320) formed by extending a discharge part (330) from one end portion of the drying duct (300), so that the number of parts and the number of assemble processes are reduced and the productivity is improved.

Abstract: An automatic washing machine comprises a wash tub and a wash plate movably mounted within the wash tub for imparting mechanical energy to articles of fabric in the wash tub. The wash plate comprises a base and a blade that extends from the base and terminates in a tip. According to the invention, at least the tip of the blade is formed by an insert. The insert is made from a relatively hard and wear resistant material that is different than the material of the impeller body. As a result, the wear resistance and performance of the impeller is improved without significantly increasing the overall cost of the impeller.

Abstract: A device for generating and supplying steam is provided. The device has a body, a steam generation unit, a first side panel attached to the body, a second side panel attached to the body, a power cord attached to the steam generation unit, a supply hose for supplying the steam from the steam generation unit to a point of use of the steam, a first wrapping location formed between the body and the first side panel, and a second wrapping location formed between the body and the second side panel. The first wrapping location is for wrapping the power cord for storage, and the second wrapping location is for wrapping the supply hose for storage.

Abstract: The present invention relates to a clothes washing and holding apparatus comprising two semicircular housings capable of being coupled together to form a sphere, with pores on a surface thereof for the entry and exit of water, and a coupling member disposed on a rim thereof for coupling purpose; an impact ball, which is made of buoyant materials and inserted between the two semicircular housings. When brassieres are placed inside the two semicircular housings, the impact ball is placed between brassier cups, such that when the clothes washing and holding apparatus is spun into water, the buoyant impact ball will make the clothes washing and holding apparatus float on the water surface, thereby achieving excellent washing effects for brassieres.

Abstract: A handcuff assembly is provided for use in a pair of handcuffs wherein each handcuff assembly includes a bow pivotally connected to and between cheek plates of a cheek plate assembly that also includes a base frame containing a lock mechanism, the improvement residing in said bow being a unitary, one piece powdered metal bow having rounded inner edges disposed within a swing-through structure of the cheek plate assembly.

Abstract: A security lock that can be unlocked by the owner of the security lock by dialing an unlocking number or by authorized security personals with a general key. The security lock mainly contains: a lock body, a plugging device, a controlling device, a securing mechanism, a restriction device, a first locking means and a second locking means. The lock body has a first channel and a second channel therein. The plugging device is pluggable into the first channel. The controlling device is slidably secured within the second channel. The securing mechanism is for securing or releasing the plugging device. The restriction device is slidably deposed within the second channel against the controlling device for controlling movement thereof. The first locking means is formed in the lock body for being engaged with or disengaged from the restriction device. The second locking means is formed in the lock body for rotating the restriction device to be disengaged from the first locking means.

Abstract: A combination lock has a latching rod, a positioning rod and multiple combination wheel assemblies each provided with a combination ring, a positioning ring and an abutting ring. Multiple detents are defined in a rear side face of the positioning ring to temporarily receive the bosses in the latching rod while the combination is not able to align the bosses with the cutout in the positioning ring such that any attempt of deducing the correct combination by pulling the latching rod and rotating the combination rings is eliminated.

Abstract: A security cover for hasp bolts to protect said bolts from attack by drilling, filing or other vandalism by means of an enclosure over the bolt heads. Said hasp bolt cover itself is designed such that the cover is secured from within and is therefore resistant to drilling, prying, blunt force assault or other means of attack.

Abstract: A lock having a movable shroud for protecting a lock shackle is disclosed. The lock includes a lock body, a locking mechanism attached to the lock body, a shackle and a shroud. The shackle has a first portion disposed within the lock body and a second portion movable between a locked position and an unlocked position. The shroud is attached to the lock body and is movable between a retracted position and an extended position. In the extended position, the shroud covers at least a portion of the shackle that extends beyond the lock body. The lock may include corresponding detents and openings on adjacent lock body and shroud surfaces to guide the movement of the shroud relative to the lock body. A method of use is also disclosed.

Abstract: A lock box that includes a body for storing keys, a lid, and a latching mechanism. The lid is arranged for selectively covering the opening. The body and the lid include securing apertures that are cooperatively positioned when the lid covers the opening. The body and lid also include cutouts that are aligned when the lid covers the opening. The latching mechanism is slideably coupled to the lid and includes a cantilever spring and a tab. The tab passes through the cutouts in the body and lid when the lid covers the opening and the latching mechanism is in a latched position. The cantilever spring is partially located in an aperture in the lid. The position of the cantilever spring is determined by whether the latching mechanism is latched or unlatched. The lock box when secured can require the cooperation of multiple users to open.

Abstract: A locking device includes a seat, a latching unit, an indicating unit, a sliding unit, and a locking unit. The latching unit is formed with a window therethrough. The indicating unit has an indicating portion, and is slidable relative to the latching unit to a locked position, where the indicating portion of the indicating unit is registered with the window in the latching unit. The sliding unit engages the indicating unit, and is slidable relative to the seat to an engaging position, where the sliding unit engages the actuator. The sliding unit drives movement of the indicating unit to the locked position when the sliding unit is moved to the engaging position. The locking unit is operable in a locking mode, where the locking unit drives movement of the sliding unit to the engaging position.

Abstract: The invention relates to a latch which must enable the locked mobile part (10) of a motor vehicle body to be released if necessary by means of a key-actuated closing cylinder (40), in order to manually open the mobile part (10). A handle (21) is provided on the mobile part (10) for the opening of the same (10), said handle being able to pivot in a vertical plane in relation to the vehicle body. When the handle is in its closed position (20.1), it is essentially flush with the vehicle body. In the outwardly pivoted open position, the handle can be gripped by a hand, also enabling the closing cylinder (40) to be accessed by the key. In order to provide the latch with a compact design, the handle (21) is embodied as a carrier for the closing cylinder (40) and forms a pivotable arrangement (20) therewith. A rotary coupling member (45) which can be actuated by the closing cylinder (40) is located on said arrangement (20) and participates in the pivoting movement.

Abstract: A vehicle tire lock to prevent vehicle tires from being stolen includes a core seat, a upper duct, a lock assembly and a lower duct. The upper duct and the lower duct are extendable to run though the tires. Locking and unlocking operations may be performed through the core seat and lock assembly to prevent the vehicle tires from being stolen.

Abstract: A bicycle lock which can be fastened to a bicycle without any special holding device and which secures the bicycle, the seat support, and the seat is provided. The bicycle lock comprises a) a housing (2) and a drum (3) that is rotatably mounted within the housing (2), b) a cable (4) that is coiled onto the drum (3) and is directed towards the outside through an opening (6) of the housing (2). One end of the cable (4) is fixed to the drum (3) while the other end thereof, which is directed towards the outside, supports a half-lock (5a) that is connected to the half-lock (5b) disposed inside the housing (2) and can be fixed there, c) a coil spring (7) that is arranged between the housing (2) and through which the seat support (1) is guided, and e) a fastening element for fixing the housing (2) to the seat support (10).

Abstract: A bending machine has an upper table and a lower table. An input part is provided for inputting product information. A bending order determiner is provided for determining a bending order of the workpiece. A mold determiner is provided for determining the mold necessary for bending the workpiece. A layout determiner is provided for determining layout of the mold. A positioning information calculator is provided for calculating a position of the workpiece with respect to the mold determined by the layout determiner as work position information. A navigation member is provided for navigating a position of the workpiece to the operator by movement in the horizontal direction on the basis of the work position information calculated by the positioning information calculator.

Abstract: There is disclosed a coldforming machine in which the rolling racks are preferably arranged in vertical direction and are adjustable via a feed means during the rolling operation in radial direction with respect to the workpiece to be formed.

Abstract: The present invention pertains to a combined machining equipment for steel tubes, and a machining method is of a small size, can easily be moved, and is capable of not only flaring a steel tube, but also grinding a flared surface, forming a groove, and peeling off a lining. A main shaft (121) is rotatably mounted on a slide frame (141) slidable with respect to a common mount (103), and a second machining head (124) is mounted on a flange on the distal end of the main shaft (121). An auxiliary shaft (131) is slidably disposed in the main shaft (121) for rotation therewith. A first machining head (134) is mounted on a mount base (132) on the distal end of the auxiliary shaft (131).

Abstract: The invention is aimed at the provision of an automatic releasing-type rolling head for forming a tapered thread on a pipe in which the shock generated at the end of the thread rolling operation is alleviated and a thread automatic rolling roller retracting mechanism is not damaged. The rolling head includes shaft bearing plates 33 which are slidably supported in a plurality of guide grooves 36 radially provided on inner surfaces of the front and rear closures of the housing 30 and which are provided on their outer surfaces in the radial directions with oblique surfaces 33b, thread rolling rollers 35 rotatably supported by the shaft bearing plates 33, a cam ring 31 which rotates in the housing 30 and has cam oblique surfaces 31a opposed to the oblique surfaces 33b of the shaft bearing plates 33, a lever 44 which abuts at its oblique surface against a cam member 45 to prevent movement thereof in association with the cam ring 31 and an abutment member 41 which is pressed and moved by a thread-rolled pipe.

Abstract: An apparatus for imparting a predetermined profile to one end of a workpiece mounted on a main axis. The apparatus comprises a rotary head mounted for rotation about the main axis and at least two fingers pivotally mounted to the rotary head for pivotal movement between an open position and a closed position. Each finger has a shaping tool adapted to engage the workpiece, and a cam mounted between said at least two fingers in riding contact with an inwardly facing cam surface thereof to pivot the fingers between said open and closed positions upon relative axial movement between the rotary head and the cam.

Abstract: A roller tool is used within a sheet deformation facility for the linear deformation of sheet metal. The roller tool comprises a press roller having a shaft and a roller body rolling around the same as well as a counterbody. The press roller and the counterbody can be jointly moved in a linear manner relative to a sheet positioned between them that is to be processed for performing the sheet metal deformation. The roller body has a plurality of roller discs which are adjacent to each other, which together form the section of the roller body that can be placed onto the sheet to be processed and which can rotate around the shaft independently of each other. The sheet deformation facility is furthermore provided with a roller tool support and a drive for pivoting the roller tool support around an axis perpendicular to the sheet that is to be processed.

Abstract: The present invention discloses an arrangement for cooling a roll (5). The arrangement comprises a housing (2) to be secured to the roll (5), a hollow shaft (8) mounted for rotational movement within the housing (2) and a cooling medium line to convey cooling medium into the roll (5) via the interior of the shaft (8). The cooling medium line comprising an inlet communicating with an elbow portion, a first length (27) of the elbow portion (20) extending from the inlet substantially perpendicular to the axis of the shaft and a second length (26) of the elbow portion extending from the first length in the direction of the axis of the shaft (8), the axes of the first and second lengths being in substantially the same plane.

Abstract: The method has a first material of lesser hardness acting as a rod-shaped carrier for a second material of greater hardness, each materials formed within a respective extrusion press tool and the plastic mass flow of the greater hardness material fed to the extrusion press tool for the lesser hardness material for providing a common plastic mass flow in the form of a rod-shaped body with a core and an outer region. An Independent claim for a device for manufacture of a hard metal workpiece is also included.

Abstract: A device, such as an inner race of a torque converter's overrunning clutch, is formed by powder metallurgy. The race includes oil grooves and chamfers formed in each face by forging. The oil grooves on the first face open onto the chamfer. The chamfer on the second face is interrupted at the oil grooves such that each oil groove opens onto the diametral surface. A forge assembly for forming the race includes a die assembly including a discontinuous lower chamfer tool, an upper punch including groove tools and a continuous chamfer tool, and a lower punch including groove tools and radially extending teeth disposed at the oil grooves and capable of extending into the gaps of the lower chamfer tool. A method for forming the race includes employing the die assembly to forge the oil grooves and chamfers into the preform and remove flash by conventional grinding processes.

Abstract: A method and apparatus to cold form rings or a lead battery terminal with undercuts or overhangs to improve the sealing properties of the rings. The apparatus can be one of a segmented die device and a die device wherein one die member moves relative to the other die member. In either apparatus at least one ring on the battery terminal is transferred from having a first shape into a second different shape with an overhang.

Abstract: The invention provides press brake and press brake tooling technology. Certain embodiments of the invention provide a press brake tool that has an elongated, retractable safety key. In certain embodiments, the invention provides click-in/slide-out press brake tools. In some of these embodiments, the tool has a safety key defining a flat (i.e., a planar wall section/planar surface) that is adapted for sliding along a surface of a tool holder when the tool is dismounted from the holder by moving the tool horizontally out of the holder. In certain embodiments, the flat has a longitudinal length of at least about 0.008 inch (in some cases, at least about 0.010 inch, at least about 0.015 inch, or at least about 0.020 inch), ranging up to the full longitudinal length of the tool. In certain embodiments, the invention provides a press brake tool and a tool holder in combination. Finally, the invention in some embodiments provides methods of press brake operation.

Abstract: Disclosed is a transmitter which achieves a permanently high security standard in an inexpensive manner. The inventive transmitter comprises a set of identically built sensors (1, 21, 23) for measuring a physical parameter, a set of electronic circuits (5), each of which is assigned to a sensor (1) and conditions an electrical signal that is generated by the assigned sensor (1) and corresponds to the physical parameter, and an output unit (17, 25) to which the conditioned electrical signals of all sensors (1) are fed. Said output unit (17, 25) generates a measuring signal from the conditioned electrical signals, makes said measuring signal available for further evaluation, processing, and/or display, and generates information about the plausibility of the measuring signal and/or information about the operability of the individual sensors (1).

Abstract: A friction sled for measuring the co-efficient of friction between a friction pad mounted to the friction sled and test surface. The friction sled includes a load cell. A displacement force is applied to the friction sled and is measured by the friction cell. The friction cell is coupled to a controller that calculates the co-efficient of friction based on the displacement force and the weight of the friction sled.

Abstract: A shock indicator comprising: A. A base; B. A peg affixed to the base; and C. An indicating weight comprising a peg opening and a gap, the weight attached to the peg at the peg opening such that the weight cannot detach from the peg in the absence of experiencing a shock of at least a predetermined level of force. The indicator may further comprise (i) a spacer in combination with the base to form a cavity in which the indicating weight is located, and (ii) a transparent cover extending over the cavity and in contact with the spacer and peg. In one embodiment the shock indicator is multi-directional while in another embodiment, the shock indicator is unidirectional.

Abstract: A gas sensor, whose purpose is to determine a physical property of a measuring gas, e.g., to determine the concentration of a gas component or the temperature of an exhaust gas. The gas sensor includes a sensor element arranged in a metal housing which is sealed by at least one sealing element arranged in a metal receptacle. The metal receptacle is affixed to the housing. The sealing element surrounds the sensor element in a centered position along its longitudinal extension L or on its half facing the measuring gas.

Abstract: A sealing device encloses a range of a base area and/or a cover area of a sensor element, which is accessible through an opening developed in a housing. Because of this, a seal may be achieved between the measured gas region and the reference gas region of the gas sensor, that is constructed using comparatively few individual parts, and, accordingly, also requires fewer method steps in its manufacture and assembly.

Abstract: A virtual impactor device having reduced fouling includes injection ports within the separation zone to redirect particles that otherwise tend to impact the walls of the separation zone and produce fouling. The virtual impactor device preferably also includes an acceleration zone having concave and convex sections, which reduces fouling in that area. The virtual impactor device can be combined with various downstream components such as collectors, atomizers and various analytical devices.

Abstract: An explosion-proof gas sensor has a measuring element (2), which generates a measured signal that depends on the concentration of the measured gas and is delimited against the environment by means of a porous, gas-permeable and sintered metal body (7). The sintered metal body (7) has a high mechanical stability, so that the use of additional components, which hinder the diffusion of the gas to be measured into the gas sensor and thus prolong the response time of the gas sensor, can be eliminated.

Abstract: A gas sensor is provided that is delimited from the environment with a preferably replaceable cap (8) made of a porous, gas-permeable and water-impermeable material, especially sintered PTFE. The gas sensor is protected against environmental moisture and can be permanently provided with the cap (8) and with a special calibrating adapter (9) both during the gas measurement and during the necessary calibration. Due to the special design of the cap (8) and the calibrating adapter (9), the gas sensor offers the possibility of remote calibration, which can be carried out with high accuracy and is independent from weather effects, especially wind.

Abstract: A motor control unit 107 that controls a drive device 100 of a brushless DC motor 101 of a compressor 12 in a refrigerator 1 determines that a flammable refrigerant is not leaking when it is determined that a duty variation width A(t) of a duty value D(t) detected at a detection time t exceeds a reference duty variation width Aa of a duty value D(t0) measured at a duty measurement reference time t0 and a voltage value time rate-of-change ?V of a voltage value V(t) of direct-current power exceeds a reference rate-of-change ?Va.

Abstract: The invention provides an apparatus and method for detecting the location of a gas leak within a test region. The invention comprises an array of calibrated sensors for measuring a plurality of gas concentrations, a control system coupled to the sensor array for calculating and optionally displaying a direction of higher gas concentration, and, an actuator for moving the sensor array under control of the control system, wherein the control system causes the array of sensors to measure the gas concentrations and move in the direction of higher concentration until a stopping condition is achieved. The stopping condition may be achieved when the measured gas concentration exceeds a predetermined threshold or when the concentration otherwise likely corresponds to the leak location based on a comparison with previously measured values.

Abstract: An automatic leak detection and isolation system for a fluid pipeline (3) comprising a pipeline section (1) through which the fluid flows, the pile line section comprising an inner section (5) through which the fluid flows and a sleeve (9) coaxial with and surrounding the inner section (5): and filled with a hydraulic fluid under pressure. A sensing device (not shown in this figure) is provided for sensing a reduction of the pressure of the hydraulic fluid indicating a leakage from or within the pipeline (3), and closure means (11) are provided, actuable in response to the sensing device, sensing a reduction in pressure of the hydraulic fluid to close off one end of the pipeline section (b 1).

Abstract: This invention concerns a device (1) for the determination of air content, the air separation behavior and the surface foam formation of oils, in particular of transmission oils with an air-oil mixer (2) and a differential pressures sensor (3). A conveyor system (4) transports the oil through pipe lines (5) of the air-oil mixer (2). A compressed air port (6) is provided, which transports air into the pipe lines (5), of the air-oil mixer (2). A Venturi pipe (9) is installed in one of the pipe lines (5), and the differential pressure sensor (3) records, through at least two separate drill tubes (7, 8) in the conveyor system of the oil at the Venturi pipe (9), differential pressures in the oil.

Abstract: A microsensor for detecting corrosive media acting on a bulk metallic material when mounted in situ adjacent a location in the bulk metallic material. The microsensor includes a plurality of corrosion sensors (4A, 4B, 4C) exposed to the corrosive media, each having corrosive tracks formed from a patterned conductive thin film. The different sensors have different characteristics, such as track width, track thickness, track composition, surface type, sensor type, etc. so as to provide the sensors with different sensitivities, corrosion indications and lifetime characteristics. Such microsensor arrangements provide improved corrosion detection at high degrees of miniaturisation.

Abstract: A rotational test electrode assembly for use in a corrosive fluid environment as shown in FIG. 1 that includes a generally cylindrical heat and electrically conductive member (110) having an annular portion (112) and a solid portion (114): a heating device (130) positioned inside of the annular portion and in heat exchanging relation with the solid portion of the conductive member; a corrosion resistant external protective member (140) that surrounds a portion of the heat conductive member in close-fitting relationship; mounting means for attaching a rotational electrode (150) in close fitting heat and electrically conductive relation, the electrode being selected from the group consisting of cylindrical and disk electrodes; and an electrical connector for receiving a plurality of external electrical connectors that is mounted on the protective member opposite the portion of the conductive member on which the rotational electrode is mounted.

Abstract: Disclosed is an evaporated fuel treatment device that includes a sealing valve installed between a fuel tank and a canister, a pump module pressure sensor for detecting the pressure on the canister side pressure, and a tank internal pressure sensor for detecting a tank internal pressure. Upon detection of a significant difference between the canister side pressure and tank internal pressure, the device concludes that no open failure exists in the sealing valve.

Abstract: A force-on-pedal sensor of the present invention includes a cylindrical substrate (11) whose one end is closed having: a hole part (11d) at a center of its side section (11c); and a strain resistance element (13) via an insulating layer (12) at its side section (11c), a coil spring (15) coaxially inserted from an open end of the substrate (11), an inputting shaft having a stepped part (14a) contacted with one end of the coil spring (15) and inserted in the hole part (11d) in such a manner that a part of the inputting shaft (14) is protruded from the hole part (11d), and a stopper at a position where the inputting shaft (14) is protruded.

Abstract: In a touch-mode capacitance type pressure sensor, a quartz pressure sensor that can solve difficulty in thickness control on a diaphragm due to a low etching precision which is a drawback in a pressure sensor using a detecting piece made from silicon, and deterioration in a detecting accuracy and poor repetitive reproducibility in elastic deformation due to the difficulty, respectively, is provided by utilizing quartz as a detecting piece for the pressure sensor.

Abstract: A housing configured to accommodate a tire monitoring unit may include an extended portion, extending along a circumference of a wheel rim, and a pair of engaging members provided in parallel with the extended portion at opposite lateral sides thereof. A holder may be provided that is configured to accommodate the housing therein and to be secured to the wheel rim. The holder may include an open end portion, configured to receive therein the housing, and a holding portion configured to hold the extended portion. Also, the holder may include at least a pair of engaging portions provided in parallel with the holding portion at opposite lateral sides thereof and configured to engage with the engaging members, so that when the housing is inserted into the holder through the open end portion, with the extended portion being held in the holding portion, the engaging members are engaged with the engaging portions.